G8Mn7

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#G8Mn7

Description

G8Mn7 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: G8Mn7

Category	Type	Steel Grade
Steel Grades	Mould Steel	G8Mn7
		GS-80CrVW4-3
		1.2590
		GS-55NiCrMoV6
		1.2713
		GS-20MoNi33-13
		1.2778
		GS-34CoCrMoV19-12
		1.2887
		GS-20CoCrWMo10-9
		1.2888

Chemical composition(mass fraction)(wt.%) of the G8Mn7

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.06-0.10	0.60	1.50-1.80	0.020	0.015
Mo	Al	Cu	Nb	Ti	V	Ce
			≤0.05		≤ 0.10
N	Co	Pb	B	Other
≤ 0.02

Mechanical Properties of steel grade G8Mn7

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
625 (≥)	721 (≥)	11	33	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	342

Physical Properties of steel grade G8Mn7

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
33	-	-			0.41	-
458	469	-	44.3	122		-
433	-	22	14.2			311	442

Heat Treatment of steel grade G8Mn7

Heat treated : 1938°C - 1832°C

Technological Curves of steel grade G8Mn7

No Curve

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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