45Cr2

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#45Cr2

Description

45Cr2 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 45Cr2

Category	Type	Steel Grade
Steel Grades	Carbon Steel	45Cr2
		1.1213
		C53G
		Cf53
		Cf70
		C70G
		1.1249
		40Mn4
		1.1157
		37MnSi5
		1.5122

Chemical composition(mass fraction)(wt.%) of the 45Cr2

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.42-0.48	0.15-0.40	0.50-0.80	0.025	0.035	0.40-0.60
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade 45Cr2

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)
739 (≥)	559 (≥)	14	22	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	221

Physical Properties of steel grade 45Cr2

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	-	-			0.31	-
636	154	-	31.3	341		-
141	-	44	43.2			124	313

Heat Treatment of steel grade 45Cr2

Heat treated : 1375°C - 1671°C

Technological Curves of steel grade 45Cr2

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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