牌號(hào) | 060A78 |
對(duì)應(yīng)標(biāo)準(zhǔn) | BS 970-1-1983
英國(guó)標(biāo)準(zhǔn)規(guī)范機(jī)械和相關(guān)工程用鍛鋼 第一部分 碳鋼印叁,碳錳鋼朽突,合金鋼和不銹鋼的一般檢驗(yàn)試驗(yàn)程序和具體要求 British Standard Specification for Wrough steels for mechanical and allied engineering purposes Part 1. General inspection and testing procedures and specific requirements for carbon,carbon manganese,alloy and stainless steels |
歸類 | 碳鋼 |
說(shuō)明 | ? A級(jí)鋼(A grade)谈况,對(duì)化學(xué)成分范圍有限制怜人,對(duì)機(jī)械性能或淬透性沒(méi)有規(guī)定椰弊。如:080A30 ? M級(jí)鋼(M grade)季距,對(duì)機(jī)械性能有要求揖漫。如:080M15 ? H級(jí)鋼(H grade)修诈,對(duì)淬透性和化學(xué)成分有要求瘸劳。如:080H36 |