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牌號	B2
對應(yīng)標準	BS 3100-1991 一般工程用鑄鋼件 Specification for Steel castings for general engineering purposes
歸類	鑄鋼
標簽	高溫用合金鋼鑄鋼

B2 化學(xué)元素成分含量(%)

成分	C	Si	Mn	P	S	Cr	Ni ^①	Cu ^①	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殘余元素猖生。

碳當量計算

B2 機械性能

熱處理或狀態(tài)	抗拉強度 σ_b Mpa	屈服點 σ_s Mpa	斷后伸長率或延伸率 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(yīng)不同標準

1	JIS G 7401-2000 冷鍛及冷軋擠壓用鋼
	(B2) CE15E4
2	ISO 4954-1993 冷鐓和冷擠壓用鋼
	(B2) CE15E4
3	ASTM B103/B103M-2019 磷青銅板肾俯、薄板郊纱、帶材和軋制棒材
	(B2) B103 C54400
4	ASTM A485-2014 高淬透性耐磨軸承鋼的技術(shù)規(guī)范
	B2 A485 100CrMnSi 4-4
5	ASTM A485-2017 高淬透性耐磨軸承鋼的技術(shù)規(guī)范
	B2 100CrMnSi 4-4
6	BS 3100-1991 一般工程用鑄鋼件
	B2

注：數(shù)據(jù)僅供參考仲吏！如有疑問芋总，請?zhí)顚?我要糾錯"屠尊！

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