B2

2023-05-17 18:45:53 來(lái)源：鋼鐵之家閱讀量：0

牌號(hào)	B2
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	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。

碳當(dāng)量計(jì)算

B2 機(jī)械性能

熱處理或狀態(tài)	抗拉強(qiáng)度 σ_b Mpa	屈服點(diǎn) σ_s Mpa	斷后伸長(zhǎng)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.

注：本資料來(lái)源于互聯(lián)網(wǎng)的公開資源整理，我們不保證這些資料的準(zhǔn)確性、完整性和適用性。這些資料僅供您參考，不應(yīng)用于任何商業(yè)用途或決策依據(jù)。本資料所記載的技術(shù)信息是說(shuō)明產(chǎn)品的代表性特點(diǎn)和性能的參考值，對(duì)于因誤用或不當(dāng)使用本資料所記載的信息等而造成的損害恕難承擔(dān)責(zé)任，敬請(qǐng)周知。

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B2