20NiCrMo2

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#20NiCrMo2

Description

20NiCrMo2 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 20NiCrMo2

Category	Type	Steel Grade
Steel Grades	Carbon Steel	20NiCrMo2
		17MnCr5
		B24
		19MnCr5
		B25
		15CrMo4
		B26
		20CrMo4
		B27
		20MnCrMo4-2
		B28

Chemical composition(mass fraction)(wt.%) of the 20NiCrMo2

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.23	0.4	0.6-0.95	0.025	0.015	0.35-0.65	0.4-0.7
Mo	Al	Cu	Nb	Ti	V	Ce
0.15-0.25	≤ 0.05	≤0.3		+
N	O2	Pb	B	Other
	≤0.002

Mechanical Properties of steel grade 20NiCrMo2

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)
627 (≥)	412 (≥)	34	42	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	144

Physical Properties of steel grade 20NiCrMo2

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
43	-	-			0.22	-
331	519	-	31.3	242		-
788	-	31	21.2			221	431

Heat Treatment of steel grade 20NiCrMo2

Heat treated : 1632°C - 1521°C

Technological Curves of steel grade 20NiCrMo2

No Curve

Cross Reference Table (Equivalent Grade) of 20NiCrMo2

Grade	Standard	Country	Application
20NiCrMo2-2			Spain structural alloy steel
EN 20NiCrMo2KD	EN		Euronorm Structural steel

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Rfq.: sales@longhaisteel.com

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