1.4021

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#1.4021

Description

1.4021 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: 1.4021

Category	Type	Steel Grade
Steel Grades	Alloy Steel	1.4021
		1.4542
		1.4401
		1.4401
		1.4016
		1.4571
		1.4541
		1.4568
		1.4568
		1.4006
		1.4372

Chemical composition(mass fraction)(wt.%) of the 1.4021

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
0.16-0.25	1.00	1.50	0.040	0.015	12.0-14.0	------	----------	-----------

Mechanical Properties of steel grade 1.4021

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)
888 (≥)	882 (≥)	24	14	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	344

Physical Properties of steel grade 1.4021

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
32	-	-			0.12	-
189	446	-	24.3	222		-
737	-	42	21.2			223	121

Heat Treatment of steel grade 1.4021

Heat treated : 1695°C - 1152°C

Technological Curves of steel grade 1.4021

No Curve

Cross Reference Table (Equivalent Grade) of 1.4021

Grade	Standard	Country	Application
1.4021	AFNOR	France	Martensite And Precipitation Hardening

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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