{"id":2145,"date":"2018-04-25T18:17:22","date_gmt":"2018-04-25T10:17:22","guid":{"rendered":"https:\/\/bolt-tw.com\/%e6%8a%80%e6%9c%af%e8%b5%84%e6%96%99\/%e7%83%ad%e5%a4%84%e7%90%86%e7%a1%ac%e5%ba%a6%e6%8d%a2%e7%ae%97%e8%a1%a8\/"},"modified":"2018-04-25T18:17:26","modified_gmt":"2018-04-25T10:17:26","slug":"%e7%83%ad%e5%a4%84%e7%90%86%e7%a1%ac%e5%ba%a6%e6%8d%a2%e7%ae%97%e8%a1%a8","status":"publish","type":"page","link":"https:\/\/bolt-tw.com\/zh-hans\/tech-information\/%e7%83%ad%e5%a4%84%e7%90%86%e7%a1%ac%e5%ba%a6%e6%8d%a2%e7%ae%97%e8%a1%a8\/","title":{"rendered":"\u70ed\u5904\u7406\u786c\u5ea6\u6362\u7b97\u8868"},"content":{"rendered":"<div class=\"main-top\">\n<div class=\"h1title\">&nbsp;<\/div>\n<\/div>\n<div id=\"main-content\" class=\"main-content product\">\n<div id=\"product-header\" class=\"onedit\">\n<div class=\"rwd-table2\" style=\"overflow-x: auto; width: 100%;\" data-mce-style=\"overflow-x: auto; width: 100%;\">\n<table class=\"tabletxt mce-item-table\" style=\"border: 1px solid #cccccc; height: 2604px;\" width=\"897\" rules=\"all\" cellpadding=\"3\" data-mce-style=\"border: 1px solid #cccccc; height: 2604px;\">\n<tbody>\n<tr>\n<td colspan=\"11\" width=\"423\">Approximate Hardness Conversion Numbers for Steels<\/td>\n<\/tr>\n<tr>\n<td colspan=\"11\" width=\"423\">\u70ed\u5904\u7406\u786c\u5ea6\u6362\u7b97\u8868<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"62\">Vickers<\/td>\n<td colspan=\"4\" width=\"153\">Rockwell<\/td>\n<td colspan=\"3\" rowspan=\"2\" width=\"111\">Rockwell Super-fical<\/td>\n<td rowspan=\"2\" width=\"43\">Shore<\/td>\n<td rowspan=\"2\" width=\"54\">Vickers<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"62\">\u7dad\u5f0f<\/td>\n<td colspan=\"4\" width=\"153\">\u6d1b\u5f0f<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">HV<\/td>\n<td width=\"32\">HB<\/td>\n<td width=\"39\">HRA<\/td>\n<td width=\"39\">HRB<\/td>\n<td width=\"37\">HRC<\/td>\n<td width=\"38\">HRD<\/td>\n<td width=\"37\">15-N<\/td>\n<td width=\"37\">30-N<\/td>\n<td width=\"37\">45-N<\/td>\n<td width=\"43\">HS<\/td>\n<td width=\"54\">HV<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">940<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">85.6<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">68<\/td>\n<td width=\"38\">76.9<\/td>\n<td width=\"37\">93.2<\/td>\n<td width=\"37\">84.4<\/td>\n<td width=\"37\">75.4<\/td>\n<td width=\"43\">98<\/td>\n<td width=\"54\">940<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">920<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">85.3<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">67.5<\/td>\n<td width=\"38\">76.5<\/td>\n<td width=\"37\">93<\/td>\n<td width=\"37\">84<\/td>\n<td width=\"37\">74.3<\/td>\n<td width=\"43\">96.8<\/td>\n<td width=\"54\">920<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">900<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">85<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">67<\/td>\n<td width=\"38\">76.1<\/td>\n<td width=\"37\">92.9<\/td>\n<td width=\"37\">83.6<\/td>\n<td width=\"37\">74.2<\/td>\n<td width=\"43\">95.6<\/td>\n<td width=\"54\">900<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">880<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">84.7<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">66.4<\/td>\n<td width=\"38\">75.7<\/td>\n<td width=\"37\">92.7<\/td>\n<td width=\"37\">83.1<\/td>\n<td width=\"37\">73.6<\/td>\n<td width=\"43\">94.3<\/td>\n<td width=\"54\">880<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">860<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">84.4<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">65.9<\/td>\n<td width=\"38\">75.3<\/td>\n<td width=\"37\">92.5<\/td>\n<td width=\"37\">82.7<\/td>\n<td width=\"37\">73.1<\/td>\n<td width=\"43\">93.1<\/td>\n<td width=\"54\">860<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">840<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">84.1<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">65.3<\/td>\n<td width=\"38\">74.8<\/td>\n<td width=\"37\">92.3<\/td>\n<td width=\"37\">82.2<\/td>\n<td width=\"37\">72.2<\/td>\n<td width=\"43\">91.7<\/td>\n<td width=\"54\">840<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">820<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">83.8<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">64.7<\/td>\n<td width=\"38\">74.3<\/td>\n<td width=\"37\">92.1<\/td>\n<td width=\"37\">81.7<\/td>\n<td width=\"37\">71.8<\/td>\n<td width=\"43\">90.4<\/td>\n<td width=\"54\">820<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">800<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">83.4<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">64<\/td>\n<td width=\"38\">73.8<\/td>\n<td width=\"37\">91.8<\/td>\n<td width=\"37\">81.1<\/td>\n<td width=\"37\">71<\/td>\n<td width=\"43\">89<\/td>\n<td width=\"54\">800<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">780<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">83<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">63.3<\/td>\n<td width=\"38\">73.3<\/td>\n<td width=\"37\">91.5<\/td>\n<td width=\"37\">80.4<\/td>\n<td width=\"37\">70.2<\/td>\n<td width=\"43\">87.6<\/td>\n<td width=\"54\">780<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">760<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">82.6<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">62.5<\/td>\n<td width=\"38\">72.6<\/td>\n<td width=\"37\">91.2<\/td>\n<td width=\"37\">79.7<\/td>\n<td width=\"37\">69.4<\/td>\n<td width=\"43\">86.2<\/td>\n<td width=\"54\">760<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">740<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">82.2<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">61.8<\/td>\n<td width=\"38\">72.1<\/td>\n<td width=\"37\">91<\/td>\n<td width=\"37\">79.1<\/td>\n<td width=\"37\">68.6<\/td>\n<td width=\"43\">84.8<\/td>\n<td width=\"54\">740<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">720<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">81.8<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">61<\/td>\n<td width=\"38\">71.5<\/td>\n<td width=\"37\">90.7<\/td>\n<td width=\"37\">78.4<\/td>\n<td width=\"37\">67.7<\/td>\n<td width=\"43\">83.3<\/td>\n<td width=\"54\">720<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">700<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">81.3<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">60.1<\/td>\n<td width=\"38\">70.8<\/td>\n<td width=\"37\">90.3<\/td>\n<td width=\"37\">77.6<\/td>\n<td width=\"37\">66.7<\/td>\n<td width=\"43\">81.8<\/td>\n<td width=\"54\">700<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">690<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">81.1<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">59.7<\/td>\n<td width=\"38\">70.5<\/td>\n<td width=\"37\">90.1<\/td>\n<td width=\"37\">77.2<\/td>\n<td width=\"37\">66.2<\/td>\n<td width=\"43\">81<\/td>\n<td width=\"54\">690<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">680<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">80.8<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">59.2<\/td>\n<td width=\"38\">70.1<\/td>\n<td width=\"37\">89.8<\/td>\n<td width=\"37\">76.8<\/td>\n<td width=\"37\">65.7<\/td>\n<td width=\"43\">80.2<\/td>\n<td width=\"54\">680<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">670<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">80.6<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">58.8<\/td>\n<td width=\"38\">69.8<\/td>\n<td width=\"37\">89.7<\/td>\n<td width=\"37\">76.4<\/td>\n<td width=\"37\">65.3<\/td>\n<td width=\"43\">79.4<\/td>\n<td width=\"54\">670<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">660<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">80.3<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">28.3<\/td>\n<td width=\"38\">69.4<\/td>\n<td width=\"37\">89.5<\/td>\n<td width=\"37\">75.9<\/td>\n<td width=\"37\">64.7<\/td>\n<td width=\"43\">78.6<\/td>\n<td width=\"54\">660<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">650<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">80<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">57.8<\/td>\n<td width=\"38\">69<\/td>\n<td width=\"37\">89.2<\/td>\n<td width=\"37\">75.5<\/td>\n<td width=\"37\">64.1<\/td>\n<td width=\"43\">77.8<\/td>\n<td width=\"54\">650<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">640<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">79.8<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">57.3<\/td>\n<td width=\"38\">68.7<\/td>\n<td width=\"37\">89<\/td>\n<td width=\"37\">75.1<\/td>\n<td width=\"37\">63.5<\/td>\n<td width=\"43\">77<\/td>\n<td width=\"54\">640<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">630<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">79.5<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">56.8<\/td>\n<td width=\"38\">68.3<\/td>\n<td width=\"37\">88.8<\/td>\n<td width=\"37\">74.6<\/td>\n<td width=\"37\">63<\/td>\n<td width=\"43\">76.2<\/td>\n<td width=\"54\">630<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">620<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">79.2<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">56.3<\/td>\n<td width=\"38\">67.9<\/td>\n<td width=\"37\">88.5<\/td>\n<td width=\"37\">74.2<\/td>\n<td width=\"37\">62.4<\/td>\n<td width=\"43\">75.4<\/td>\n<td width=\"54\">620<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">610<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">78.9<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">55.7<\/td>\n<td width=\"38\">67.5<\/td>\n<td width=\"37\">88.2<\/td>\n<td width=\"37\">73.6<\/td>\n<td width=\"37\">61.7<\/td>\n<td width=\"43\">74.5<\/td>\n<td width=\"54\">610<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">600<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">78.6<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">55.2<\/td>\n<td width=\"38\">67<\/td>\n<td width=\"37\">88<\/td>\n<td width=\"37\">73.2<\/td>\n<td width=\"37\">61.2<\/td>\n<td width=\"43\">73.7<\/td>\n<td width=\"54\">600<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">590<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">78.4<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">54.7<\/td>\n<td width=\"38\">66.7<\/td>\n<td width=\"37\">87.8<\/td>\n<td width=\"37\">72.7<\/td>\n<td width=\"37\">60.5<\/td>\n<td width=\"43\">72.8<\/td>\n<td width=\"54\">590<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">580<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">78<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">54.1<\/td>\n<td width=\"38\">66.2<\/td>\n<td width=\"37\">87.5<\/td>\n<td width=\"37\">72.1<\/td>\n<td width=\"37\">59.9<\/td>\n<td width=\"43\">72<\/td>\n<td width=\"54\">580<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">570<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">77.8<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">53.6<\/td>\n<td width=\"38\">65.8<\/td>\n<td width=\"37\">87.2<\/td>\n<td width=\"37\">71.7<\/td>\n<td width=\"37\">59.3<\/td>\n<td width=\"43\">71.1<\/td>\n<td width=\"54\">570<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">560<\/td>\n<td width=\"32\">&#8212;&#8211;<\/td>\n<td width=\"39\">77.4<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">53<\/td>\n<td width=\"38\">65.4<\/td>\n<td width=\"37\">86.9<\/td>\n<td width=\"37\">71.2<\/td>\n<td width=\"37\">58.6<\/td>\n<td width=\"43\">70.2<\/td>\n<td width=\"54\">560<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">550<\/td>\n<td width=\"32\">517<\/td>\n<td width=\"39\">77<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">52.3<\/td>\n<td width=\"38\">64.8<\/td>\n<td width=\"37\">86.6<\/td>\n<td width=\"37\">70.5<\/td>\n<td width=\"37\">57.8<\/td>\n<td width=\"43\">69.3<\/td>\n<td width=\"54\">550<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">540<\/td>\n<td width=\"32\">508<\/td>\n<td width=\"39\">76.7<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">51.7<\/td>\n<td width=\"38\">64.4<\/td>\n<td width=\"37\">86.3<\/td>\n<td width=\"37\">70<\/td>\n<td width=\"37\">57<\/td>\n<td width=\"43\">68.4<\/td>\n<td width=\"54\">540<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">530<\/td>\n<td width=\"32\">498<\/td>\n<td width=\"39\">76.4<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">51.1<\/td>\n<td width=\"38\">63.9<\/td>\n<td width=\"37\">86<\/td>\n<td width=\"37\">69.5<\/td>\n<td width=\"37\">56.2<\/td>\n<td width=\"43\">67.5<\/td>\n<td width=\"54\">530<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">520<\/td>\n<td width=\"32\">488<\/td>\n<td width=\"39\">76.1<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">50.5<\/td>\n<td width=\"38\">63.5<\/td>\n<td width=\"37\">85.7<\/td>\n<td width=\"37\">69<\/td>\n<td width=\"37\">55.6<\/td>\n<td width=\"43\">66.6<\/td>\n<td width=\"54\">520<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">510<\/td>\n<td width=\"32\">479<\/td>\n<td width=\"39\">75.7<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">49.8<\/td>\n<td width=\"38\">62.9<\/td>\n<td width=\"37\">85.4<\/td>\n<td width=\"37\">68.3<\/td>\n<td width=\"37\">54.7<\/td>\n<td width=\"43\">65.6<\/td>\n<td width=\"54\">510<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">500<\/td>\n<td width=\"32\">470<\/td>\n<td width=\"39\">75.3<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">49.1<\/td>\n<td width=\"38\">62.2<\/td>\n<td width=\"37\">85<\/td>\n<td width=\"37\">67.7<\/td>\n<td width=\"37\">53.9<\/td>\n<td width=\"43\">64.7<\/td>\n<td width=\"54\">500<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">490<\/td>\n<td width=\"32\">461<\/td>\n<td width=\"39\">74.9<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">48.4<\/td>\n<td width=\"38\">61.6<\/td>\n<td width=\"37\">84.7<\/td>\n<td width=\"37\">67.1<\/td>\n<td width=\"37\">53.1<\/td>\n<td width=\"43\">63.7<\/td>\n<td width=\"54\">490<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">480<\/td>\n<td width=\"32\">451<\/td>\n<td width=\"39\">74.5<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">47.7<\/td>\n<td width=\"38\">61.3<\/td>\n<td width=\"37\">84.3<\/td>\n<td width=\"37\">66.4<\/td>\n<td width=\"37\">52.2<\/td>\n<td width=\"43\">62.8<\/td>\n<td width=\"54\">480<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">470<\/td>\n<td width=\"32\">442<\/td>\n<td width=\"39\">74.1<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">46.9<\/td>\n<td width=\"38\">60.7<\/td>\n<td width=\"37\">83.9<\/td>\n<td width=\"37\">65.7<\/td>\n<td width=\"37\">51.3<\/td>\n<td width=\"43\">61.8<\/td>\n<td width=\"54\">470<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">460<\/td>\n<td width=\"32\">434<\/td>\n<td width=\"39\">73.6<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">46.1<\/td>\n<td width=\"38\">60.1<\/td>\n<td width=\"37\">83.6<\/td>\n<td width=\"37\">64.9<\/td>\n<td width=\"37\">50.4<\/td>\n<td width=\"43\">60.8<\/td>\n<td width=\"54\">460<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">450<\/td>\n<td width=\"32\">425<\/td>\n<td width=\"39\">73.3<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">45.3<\/td>\n<td width=\"38\">59.4<\/td>\n<td width=\"37\">83.2<\/td>\n<td width=\"37\">64.3<\/td>\n<td width=\"37\">49.4<\/td>\n<td width=\"43\">59.8<\/td>\n<td width=\"54\">450<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">440<\/td>\n<td width=\"32\">415<\/td>\n<td width=\"39\">72.8<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">44.5<\/td>\n<td width=\"38\">58.8<\/td>\n<td width=\"37\">82.8<\/td>\n<td width=\"37\">63.5<\/td>\n<td width=\"37\">48.4<\/td>\n<td width=\"43\">58.8<\/td>\n<td width=\"54\">440<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">430<\/td>\n<td width=\"32\">405<\/td>\n<td width=\"39\">72.3<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">43.6<\/td>\n<td width=\"38\">58.2<\/td>\n<td width=\"37\">82.3<\/td>\n<td width=\"37\">62.7<\/td>\n<td width=\"37\">47.4<\/td>\n<td width=\"43\">57.8<\/td>\n<td width=\"54\">430<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">420<\/td>\n<td width=\"32\">397<\/td>\n<td width=\"39\">71.8<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">42.7<\/td>\n<td width=\"38\">57.5<\/td>\n<td width=\"37\">81.8<\/td>\n<td width=\"37\">61.9<\/td>\n<td width=\"37\">46.4<\/td>\n<td width=\"43\">56.7<\/td>\n<td width=\"54\">420<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">410<\/td>\n<td width=\"32\">388<\/td>\n<td width=\"39\">71.4<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">41.8<\/td>\n<td width=\"38\">56.8<\/td>\n<td width=\"37\">81.4<\/td>\n<td width=\"37\">61.1<\/td>\n<td width=\"37\">45.3<\/td>\n<td width=\"43\">55.7<\/td>\n<td width=\"54\">410<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">400<\/td>\n<td width=\"32\">379<\/td>\n<td width=\"39\">70.8<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">40.8<\/td>\n<td width=\"38\">56<\/td>\n<td width=\"37\">81<\/td>\n<td width=\"37\">60.2<\/td>\n<td width=\"37\">44.1<\/td>\n<td width=\"43\">54.6<\/td>\n<td width=\"54\">400<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">390<\/td>\n<td width=\"32\">369<\/td>\n<td width=\"39\">70.3<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">39.8<\/td>\n<td width=\"38\">55.2<\/td>\n<td width=\"37\">80.3<\/td>\n<td width=\"37\">59.3<\/td>\n<td width=\"37\">42.9<\/td>\n<td width=\"43\">53.6<\/td>\n<td width=\"54\">390<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">380<\/td>\n<td width=\"32\">360<\/td>\n<td width=\"39\">69.8<\/td>\n<td width=\"39\">110<\/td>\n<td width=\"37\">38.8<\/td>\n<td width=\"38\">54.4<\/td>\n<td width=\"37\">79.8<\/td>\n<td width=\"37\">58.4<\/td>\n<td width=\"37\">41.7<\/td>\n<td width=\"43\">52.5<\/td>\n<td width=\"54\">380<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">370<\/td>\n<td width=\"32\">350<\/td>\n<td width=\"39\">69.2<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">37.7<\/td>\n<td width=\"38\">53.6<\/td>\n<td width=\"37\">79.2<\/td>\n<td width=\"37\">57.4<\/td>\n<td width=\"37\">40.4<\/td>\n<td width=\"43\">51.4<\/td>\n<td width=\"54\">370<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">360<\/td>\n<td width=\"32\">341<\/td>\n<td width=\"39\">68.7<\/td>\n<td width=\"39\">109<\/td>\n<td width=\"37\">36.6<\/td>\n<td width=\"38\">52.8<\/td>\n<td width=\"37\">78.6<\/td>\n<td width=\"37\">56.4<\/td>\n<td width=\"37\">39.1<\/td>\n<td width=\"43\">50.3<\/td>\n<td width=\"54\">360<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">350<\/td>\n<td width=\"32\">331<\/td>\n<td width=\"39\">68.1<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">35.5<\/td>\n<td width=\"38\">51.9<\/td>\n<td width=\"37\">78<\/td>\n<td width=\"37\">55.4<\/td>\n<td width=\"37\">37.8<\/td>\n<td width=\"43\">49.2<\/td>\n<td width=\"54\">350<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">340<\/td>\n<td width=\"32\">322<\/td>\n<td width=\"39\">67.6<\/td>\n<td width=\"39\">108<\/td>\n<td width=\"37\">34.4<\/td>\n<td width=\"38\">51.1<\/td>\n<td width=\"37\">77.4<\/td>\n<td width=\"37\">54.4<\/td>\n<td width=\"37\">36.5<\/td>\n<td width=\"43\">48.1<\/td>\n<td width=\"54\">340<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">330<\/td>\n<td width=\"32\">313<\/td>\n<td width=\"39\">67<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">33.3<\/td>\n<td width=\"38\">50.2<\/td>\n<td width=\"37\">76.8<\/td>\n<td width=\"37\">53.6<\/td>\n<td width=\"37\">35.2<\/td>\n<td width=\"43\">46.9<\/td>\n<td width=\"54\">330<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">320<\/td>\n<td width=\"32\">303<\/td>\n<td width=\"39\">66.4<\/td>\n<td width=\"39\">107<\/td>\n<td width=\"37\">32.2<\/td>\n<td width=\"38\">49.4<\/td>\n<td width=\"37\">76.3<\/td>\n<td width=\"37\">52.3<\/td>\n<td width=\"37\">33.9<\/td>\n<td width=\"43\">45.7<\/td>\n<td width=\"54\">320<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">310<\/td>\n<td width=\"32\">294<\/td>\n<td width=\"39\">65.8<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">31<\/td>\n<td width=\"38\">48.4<\/td>\n<td width=\"37\">75.6<\/td>\n<td width=\"37\">51.3<\/td>\n<td width=\"37\">32.5<\/td>\n<td width=\"43\">44.6<\/td>\n<td width=\"54\">310<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">300<\/td>\n<td width=\"32\">284<\/td>\n<td width=\"39\">65.2<\/td>\n<td width=\"39\">105.5<\/td>\n<td width=\"37\">29.8<\/td>\n<td width=\"38\">47.5<\/td>\n<td width=\"37\">74.9<\/td>\n<td width=\"37\">50.2<\/td>\n<td width=\"37\">31.1<\/td>\n<td width=\"43\">43.4<\/td>\n<td width=\"54\">300<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">295<\/td>\n<td width=\"32\">280<\/td>\n<td width=\"39\">64.8<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">29.2<\/td>\n<td width=\"38\">47.1<\/td>\n<td width=\"37\">74.6<\/td>\n<td width=\"37\">49.7<\/td>\n<td width=\"37\">30.4<\/td>\n<td width=\"43\">42.8<\/td>\n<td width=\"54\">295<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">290<\/td>\n<td width=\"32\">275<\/td>\n<td width=\"39\">64.5<\/td>\n<td width=\"39\">104.5<\/td>\n<td width=\"37\">28.5<\/td>\n<td width=\"38\">46.5<\/td>\n<td width=\"37\">74.2<\/td>\n<td width=\"37\">49<\/td>\n<td width=\"37\">29.5<\/td>\n<td width=\"43\">42.2<\/td>\n<td width=\"54\">290<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">285<\/td>\n<td width=\"32\">270<\/td>\n<td width=\"39\">64.2<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">27.8<\/td>\n<td width=\"38\">46<\/td>\n<td width=\"37\">73.8<\/td>\n<td width=\"37\">48.4<\/td>\n<td width=\"37\">28.7<\/td>\n<td width=\"43\">41.6<\/td>\n<td width=\"54\">285<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">280<\/td>\n<td width=\"32\">265<\/td>\n<td width=\"39\">63.8<\/td>\n<td width=\"39\">103.5<\/td>\n<td width=\"37\">27.1<\/td>\n<td width=\"38\">45.3<\/td>\n<td width=\"37\">73.4<\/td>\n<td width=\"37\">47.8<\/td>\n<td width=\"37\">27.9<\/td>\n<td width=\"43\">41<\/td>\n<td width=\"54\">280<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">275<\/td>\n<td width=\"32\">261<\/td>\n<td width=\"39\">63.5<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">26.4<\/td>\n<td width=\"38\">44.9<\/td>\n<td width=\"37\">73<\/td>\n<td width=\"37\">47.2<\/td>\n<td width=\"37\">27.1<\/td>\n<td width=\"43\">40.4<\/td>\n<td width=\"54\">275<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">270<\/td>\n<td width=\"32\">256<\/td>\n<td width=\"39\">63.1<\/td>\n<td width=\"39\">102<\/td>\n<td width=\"37\">25.6<\/td>\n<td width=\"38\">44.3<\/td>\n<td width=\"37\">72.6<\/td>\n<td width=\"37\">46.4<\/td>\n<td width=\"37\">26.2<\/td>\n<td width=\"43\">39.7<\/td>\n<td width=\"54\">270<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">265<\/td>\n<td width=\"32\">252<\/td>\n<td width=\"39\">62.7<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">24.8<\/td>\n<td width=\"38\">43.7<\/td>\n<td width=\"37\">72.1<\/td>\n<td width=\"37\">45.7<\/td>\n<td width=\"37\">25.2<\/td>\n<td width=\"43\">39.1<\/td>\n<td width=\"54\">265<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">260<\/td>\n<td width=\"32\">247<\/td>\n<td width=\"39\">62.4<\/td>\n<td width=\"39\">101<\/td>\n<td width=\"37\">24<\/td>\n<td width=\"38\">43.1<\/td>\n<td width=\"37\">71.6<\/td>\n<td width=\"37\">45<\/td>\n<td width=\"37\">24.3<\/td>\n<td width=\"43\">38.5<\/td>\n<td width=\"54\">260<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">255<\/td>\n<td width=\"32\">243<\/td>\n<td width=\"39\">62<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">23.1<\/td>\n<td width=\"38\">42.2<\/td>\n<td width=\"37\">71.1<\/td>\n<td width=\"37\">44.2<\/td>\n<td width=\"37\">23.2<\/td>\n<td width=\"43\">37.9<\/td>\n<td width=\"54\">255<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">250<\/td>\n<td width=\"32\">238<\/td>\n<td width=\"39\">61.6<\/td>\n<td width=\"39\">99.5<\/td>\n<td width=\"37\">22.2<\/td>\n<td width=\"38\">41.7<\/td>\n<td width=\"37\">70.6<\/td>\n<td width=\"37\">43.4<\/td>\n<td width=\"37\">22.2<\/td>\n<td width=\"43\">37.2<\/td>\n<td width=\"54\">250<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">245<\/td>\n<td width=\"32\">233<\/td>\n<td width=\"39\">61.2<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"37\">21.3<\/td>\n<td width=\"38\">41.1<\/td>\n<td width=\"37\">70.1<\/td>\n<td width=\"37\">42.5<\/td>\n<td width=\"37\">21.1<\/td>\n<td width=\"43\">36.6<\/td>\n<td width=\"54\">245<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">240<\/td>\n<td width=\"32\">228<\/td>\n<td width=\"39\">60.7<\/td>\n<td width=\"39\">98.1<\/td>\n<td width=\"37\">20.3<\/td>\n<td width=\"38\">40.3<\/td>\n<td width=\"37\">69.6<\/td>\n<td width=\"37\">41.7<\/td>\n<td width=\"37\">19.9<\/td>\n<td width=\"43\">36<\/td>\n<td width=\"54\">240<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">230<\/td>\n<td width=\"32\">219<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">96.7<\/td>\n<td width=\"37\">18<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">34.7<\/td>\n<td width=\"54\">230<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">220<\/td>\n<td width=\"32\">209<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">95<\/td>\n<td width=\"37\">15.7<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">33.4<\/td>\n<td width=\"54\">220<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">210<\/td>\n<td width=\"32\">200<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">93.4<\/td>\n<td width=\"37\">13.4<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">32<\/td>\n<td width=\"54\">210<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">200<\/td>\n<td width=\"32\">190<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">91.5<\/td>\n<td width=\"37\">11<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">30.7<\/td>\n<td width=\"54\">200<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">190<\/td>\n<td width=\"32\">181<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">89.5<\/td>\n<td width=\"37\">8.5<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">29.4<\/td>\n<td width=\"54\">190<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">180<\/td>\n<td width=\"32\">171<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">87.1<\/td>\n<td width=\"37\">6<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">28<\/td>\n<td width=\"54\">180<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">170<\/td>\n<td width=\"32\">162<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">85<\/td>\n<td width=\"37\">3<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">26.6<\/td>\n<td width=\"54\">170<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">160<\/td>\n<td width=\"32\">152<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">81.7<\/td>\n<td width=\"37\">0<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">25.2<\/td>\n<td width=\"54\">160<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">150<\/td>\n<td width=\"32\">143<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">78.7<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">23.8<\/td>\n<td width=\"54\">150<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">140<\/td>\n<td width=\"32\">133<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">75<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">22.3<\/td>\n<td width=\"54\">140<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">130<\/td>\n<td width=\"32\">124<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">71.2<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">20.8<\/td>\n<td width=\"54\">130<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">120<\/td>\n<td width=\"32\">114<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">66.7<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">19.1<\/td>\n<td width=\"54\">120<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">110<\/td>\n<td width=\"32\">105<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">62.3<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">17.6<\/td>\n<td width=\"54\">110<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">100<\/td>\n<td width=\"32\">95<\/td>\n<td width=\"39\">&#8212;&#8211;<\/td>\n<td width=\"39\">58.2<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"38\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"37\">&#8212;&#8211;<\/td>\n<td width=\"43\">16.1<\/td>\n<td width=\"54\">100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Approximate Hardness Conversion Numbers for Stee [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":1855,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2145","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/bolt-tw.com\/zh-hans\/wp-json\/wp\/v2\/pages\/2145"}],"collection":[{"href":"https:\/\/bolt-tw.com\/zh-hans\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bolt-tw.com\/zh-hans\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bolt-tw.com\/zh-hans\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/bolt-tw.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=2145"}],"version-history":[{"count":0,"href":"https:\/\/bolt-tw.com\/zh-hans\/wp-json\/wp\/v2\/pages\/2145\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/bolt-tw.com\/zh-hans\/wp-json\/wp\/v2\/pages\/1855"}],"wp:attachment":[{"href":"https:\/\/bolt-tw.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=2145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}