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牌號 302C35
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
性能 耐腐蝕
標(biāo)簽 耐熱不銹鑄鋼
302C35 化學(xué)元素成分含量(%)
成分 C Si Mn P S Cr Ni Mo
最小值 0.2 - - - - 17 6 -
最大值 0.4 2 2 0.05 0.05 22 10 1.5
302C35 機(jī)械性能
熱處理或狀態(tài)
抗拉強(qiáng)度
σb
屈服點(diǎn)
σs
斷后伸長率或延伸率
δ
% 		硬度
HBW 		沖擊吸收能量
KV2
J
N或N+T或QQ+T或WQ+T 540~690 ≥320 ≥16 152~207 ≥30
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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