SCH20XNb

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#SCH20XNb

Description

SCH20XNb Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: SCH20XNb

Category	Type	Steel Grade
Steel Grades	Mould Steel	SCH20XNb
		SCH13A
		SCH13X
		SCH15
		SCH15X
		SCH16
		SCH17
		SCH18
		SCH19
		SCH20
		SCH20X

Chemical composition(mass fraction)(wt.%) of the SCH20XNb

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.3-0.5	1.0-2.5	2.0	0.04	0.03	18-21	36-39
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.5			1.2-1.8
N	Co	Pb	B	Other

Mechanical Properties of steel grade SCH20XNb

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)
815 (≥)	994 (≥)	33	24	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	443

Physical Properties of steel grade SCH20XNb

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
12	-	-			0.31	-
942	769	-	41.3	433		-
854	-	42	14.2			322	344

Heat Treatment of steel grade SCH20XNb

Heat treated : 1634°C - 1445°C

Technological Curves of steel grade SCH20XNb

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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