21NiCrMo2

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#21NiCrMo2

Description

21NiCrMo2 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 21NiCrMo2

Category	Type	Steel Grade
Steel Grades	Carbon Steel	21NiCrMo2
		18NiCr5-4
		1.5810
		17CrNi16-16
		1.5818
		15CrNi6
		1.5819
		18CrNi8
		1.5920
		20NiCrMo2-2
		1.6523

Chemical composition(mass fraction)(wt.%) of the 21NiCrMo2

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.23	0.40	0.65-0.95	0.035	0.035	0.35-0.70	0.40-0.70
Mo	Al	Cu	Nb	Ti	V	Ce
0.15-0.25
N	Co	Pb	B	Other

Mechanical Properties of steel grade 21NiCrMo2

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)
844 (≥)	768 (≥)	44	31	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	243

Physical Properties of steel grade 21NiCrMo2

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
22	-	-			0.12	-
345	871	-	43.3	131		-
619	-	34	31.2			211	323

Heat Treatment of steel grade 21NiCrMo2

Heat treated : 1716°C - 1879°C

Technological Curves of steel grade 21NiCrMo2

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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