45SPb20

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#45SPb20

Description

45SPb20 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 45SPb20

Category	Type	Steel Grade
Steel Grades	Carbon Steel	45SPb20
		1.0723
		35S20
		1.0726
		35SPb20
		1.0756
		46S20
		1.0727
		45S20
		1.0727
		1.0757

Chemical composition(mass fraction)(wt.%) of the 45SPb20

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.42-0.50	0.40	0.70-1.10	0.060	0.15-0.25
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
		0.15-0.35

Mechanical Properties of steel grade 45SPb20

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)
863 (≥)	575 (≥)	12	42	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	322

Physical Properties of steel grade 45SPb20

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	-	-			0.14	-
554	578	-	11.3	124		-
579	-	24	13.2			444	221

Heat Treatment of steel grade 45SPb20

Heat treated : 1174°C - 1622°C

Technological Curves of steel grade 45SPb20

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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