SCH42

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#SCH42

Description

SCH42 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: SCH42

Category	Type	Steel Grade
Steel Grades	Mould Steel	SCH42
		SCH22X
		SCH23
		SCH24
		SCH24X
		SCH24XNb
		SCH31
		SCH32
		SCH33
		SCH34
		SCH41

Chemical composition(mass fraction)(wt.%) of the SCH42

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.35-0.55	1.0-2.5	1.5	0.04	0.03	27-30	47-50
Mo	Al	Cu	Nb	Ti	W	Ce
≤0.5					4.0-6.0
N	Co	Pb	B	Other

Mechanical Properties of steel grade SCH42

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)
345 (≥)	714 (≥)	43	43	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	411

Physical Properties of steel grade SCH42

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
23	-	-			0.41	-
559	794	-	32.3	322		-
476	-	32	24.2			443	424

Heat Treatment of steel grade SCH42

Heat treated : 1836°C - 1338°C

Technological Curves of steel grade SCH42

No Curve

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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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