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Grade 7簡介

UK B.S. Special Alloy Grade 7，及該型號(hào)鋼材的基本信息、化學(xué)元素成分、機(jī)械性能、力學(xué)性能、熱處理溫度、同等型號(hào)參照表等。

Grade 7簡介

UK B.S. Special Alloy Grade 7，及該型號(hào)鋼材的基本信息、化學(xué)元素成分、機(jī)械性能、力學(xué)性能、熱處理溫度、同等型號(hào)參照表等。

基本信息：

分類	種類	型號(hào)	標(biāo)準(zhǔn)	國家	應(yīng)用
Steel Grades		Grade 7	B.S.	UK	Steel for cold forged fasteners and similar components

化學(xué)成分信息(mass fraction)(wt.%) of the Grade 7：

機(jī)械性能信息：

屈服強(qiáng)度Rp0.2（MPa）	抗拉強(qiáng)度Rm（MPa）	沖擊率	伸長率	斷面收縮率	熱處理狀態(tài)	布氏硬度（HBW）
692 (≥)	371 (≥)	31	43	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	212

物理性質(zhì)信息：

溫度	彈性模量	系數(shù)	熱導(dǎo)率	比熱容量	比電阻率	密度	加權(quán)系數(shù)
21	-	-			0.34	-
524	198	-	11.3	122		-
416	-	34	21.2			424	113

熱處理信息：

熱處理溫度區(qū)間
Heat treated : 1881°C - 1469°C

對(duì)照表（同等等級(jí)）信息：

型號(hào)	標(biāo)準(zhǔn)	國家	應(yīng)用
X63CrMoV5-1	DIN	Germany	Cold working alloy tool steel
X100CrMoV5-1	DIN	Germany	Cold working alloy tool steel
X35CrMoV5-1-1	DIN	Germany	Hot working alloy tool steel
X38CrMoV5-1	DIN	Germany	Hot working alloy tool steel
X40CrMoV5-1	DIN	Germany	Hot working alloy tool steel
X50CrMoV5-1	DIN	Germany	Hot working alloy tool steel
30WCrV15-1	DIN	Germany	Hot working alloy tool steel
X37CrMoW5-1	DIN	Germany	Hot working alloy tool steel
X37CrMoV5-1	ISO		Carbide for cutting tools
X37CrMoV5-1	ISO		Carbide for cutting tools
X2CrNiMnMoNbN25-18-5-4	DIN	Germany	Stainless steel
X6NiCrTiMoVB25-15-2/X5NiCrTi26-15	DIN	Germany	The high-temperature and high-strength steel
X4CrNiMo16-5-1	UNE	Spain	Spain structural alloy steel
Z5CTDV25-15B	AFNOR	France	Stainless Steel Plate & Steel Strip
Z6NCTDV25-15B	AFNOR	France	Hot-Rolled stainless steel bar and wire rod (NF A 35-574 (1990))
Z8NCTDV25-15BFF	AFNOR	France	Cold drawn stainless steel bar and wire rod(NF A 35-577(1990))
X6NiCrTiMoB25-15-2	AFNOR	France	Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
X10CrNiMoMnNbVB15-10-1	AFNOR	France	Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
X15CrMo5-1	AFNOR	France	Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
M-35-1	ASTM	USA	Castings, Nickel and Nickel Alloy