20MoCr4

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#20MoCr4

Description

20MoCr4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 20MoCr4

Category	Type	Steel Grade
Steel Grades	Carbon Steel	20MoCr4
		1.1172
		C45EC
		1.1192
		Cq45
		1.1192
		1.5919
		1.7001
		38Cr1
		1.7002
		46Cr1

Chemical composition(mass fraction)(wt.%) of the 20MoCr4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni

Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.23	0.40	0.70-1.00	0.035	0.035	0.30-0.60
Mo	Al	Cu	Nb	Ti	V	Ce
0.40-0.50
N	Co	Pb	B	Other

Mechanical Properties of steel grade 20MoCr4

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)
355 (≥)	916 (≥)	12	43	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	124

Physical Properties of steel grade 20MoCr4

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	-	-			0.34	-
522	552	-	24.3	334		-
572	-	21	44.2			242	423

Heat Treatment of steel grade 20MoCr4

Heat treated : 1617°C - 1338°C

Technological Curves of steel grade 20MoCr4

No Curve

Cross Reference Table (Equivalent Grade) of 20MoCr4

Grade	Standard	Application
20MoCr4		Spain structural alloy steel
EN 20MoCr4	EN	Euronorm Structural steel
EN 20MoCr4KD	EN	Euronorm Structural steel

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Rfq.: sales@longhaisteel.com

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