SCH20

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#SCH20

Description

SCH20 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: SCH20

Category	Type	Steel Grade
Steel Grades	Mould Steel	SCH20
		SCH12
		SCH13
		SCH13A
		SCH13X
		SCH15
		SCH15X
		SCH16
		SCH17
		SCH18
		SCH19

Chemical composition(mass fraction)(wt.%) of the SCH20

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.35-0.75	2.5	2.0	0.04	0.04	17-21	37-41
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.5
N	Co	Pb	B	Other

Mechanical Properties of steel grade SCH20

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)
845 (≥)	479 (≥)	41	24	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	123

Physical Properties of steel grade SCH20

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	-	-			0.21	-
321	188	-	32.3	432		-
593	-	43	12.2			122	334

Heat Treatment of steel grade SCH20

Heat treated : 1141°C - 1143°C

Technological Curves of steel grade SCH20

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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