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AM2簡介

牌號 AM2
對應(yīng)標(biāo)準(zhǔn) BS 3100-1991
一般工程用鑄鋼件
Specification for Steel castings for general engineering purposes
歸類 鑄鋼
標(biāo)簽 高磁導(dǎo)率碳鋼鑄鋼
AM2 化學(xué)元素成分含量(%)
成分 C Si Mn P S Cr ② Ni ② Cu ② Mo ② 其他合計
最小值 - - - - - - - - - -
最大值 0.25 0.6 0.5 0.05 0.05 0.3 0.4 0.3 0.15 0.8
其他單個或其他合計化學(xué)成分包括表中未指定值的化學(xué)成分。只有在假定存在或在常規(guī)分析中，且有跡象表明其成分將超過規(guī)定值的情況下，才應(yīng)進(jìn)行分析。 ①碳含量每降低0.01%，最大錳含量則增加0.04%，允許最大錳含量到1.1%
②殘余元素。 碳當(dāng)量計算
AM2 機(jī)械性能
熱處理或狀態(tài)
抗拉強(qiáng)度
σb
Mpa 		屈服點(diǎn)
σs
Mpa 		斷后伸長率或延伸率
δ
%
A或N 400~490 ≥215 ≥22
A=for anneal by heating to a temperature above the AC3 and cool in the furnace
N=for normalize by heating to a temperature above the AC3 and cool in still air
OQ=for quench into oil from a temperature above the AC3
WQ=for quench into water from a temperature above the AC3
AH=for air harden by heating to a temperature above the AC3 and cool in air at a rate fast enough to produce a hardened microstructure
T=for temper by heating to a temperature below AC1
ST=for solution treat by heating to temperature high enough to dissolve and any intermetallic phases followed by a rapid cool.
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