GS240

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#GS240

Description

GS240 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GS240

Category	Type	Steel Grade
Steel Grades	Mould Steel	GS240
		40CrMnNiMo8-6-4
		1.2311
		GE200
		1.0420
		GE240
		1.0446
		GE300
		1.0558
		GS200
		1.0449

Chemical composition(mass fraction)(wt.%) of the GS240

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.23	0.60	1.20	0.030	0.025
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade GS240

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)
269 (≥)	791 (≥)	33	21	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	434

Physical Properties of steel grade GS240

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
42	-	-			0.42	-
186	618	-	24.3	434		-
436	-	41	31.2			312	342

Heat Treatment of steel grade GS240

Heat treated : 1944°C - 1642°C

Technological Curves of steel grade GS240

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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