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A5簡(jiǎn)介

牌號(hào) A5
對(duì)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 碳錳鑄鋼
A5 化學(xué)元素成分含量(%)
成分 C Si Mn P S
最小值 0.25 - 1.2 - -
最大值 0.33 0.6 1.6 0.05 0.05
碳當(dāng)量計(jì)算
A5 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(zhǎng)率或延伸率
δ
% 		沖擊吸收能量
KV2
J
(厚度≤100mm)N或N+T或OQ+T或WQ+T 620~770 ≥370 ≥13 ≥25
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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