牌号 B2
對應标準 BS 3100-1991
一般工程用鑄鋼件
Specification for Steel Castings for General Engineering Purposes
歸類 鑄鋼
标簽 高溫用合金鋼鑄鋼
B2 化學元素成分含量(%)
成分 C Si Mn P S Cr Ni Cu Mo
最小值 - - 0.5 - - 1 - - 0.45
最大值 0.2 0.6 0.8 0.04 0.04 1.5 0.4 0.3 0.65
①殘餘元素。
B2 機械性能
熱處理或狀态
抗拉強度
σb
Mpa
屈服點
σs
Mpa
斷後伸長率或延伸率
δ
%
沖擊吸收能量
KV2
J
N+T或OQ+T或WQ+T(T 700°C max) ≥480 ≥280 ≥17 ≥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.
B2 對應不同标準
1 JIS G 7401-2000 冷鍛及冷軋擠壓用鋼
2 ISO 4954-1993 冷镦和冷擠壓用鋼
3 ASTM B103/B103M-2019 磷青銅闆、薄闆、帶材和軋制棒材
4 ASTM A485-2014 高淬透性耐磨軸承鋼的技術規範
5 ASTM A485-2017 高淬透性耐磨軸承鋼的技術規範
6 BS 3100-1991 一般工程用鑄鋼件
B2
注:數據僅供參考!如有疑問,請填寫"我要糾錯"!
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