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1.4021

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1.4016 1.4024
#1.4021

Description

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

Datasheet for: Steel Grades:Stainless Steel: 1.4021
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel 1.4021
X4CrNiMoN25-7
X10CrNiMoNb 18-12
X5NiCrMoCuNb 22-18
1.4000
1.4001
1.4002
1.4003
1.4005
1.4006
1.4016

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  0.030  12.0-14.0      

Mechanical Properties of steel grade 1.4021

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
749 (≥) 737 (≥) 12 22 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

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
21 - -     0.11 -  
556 368 - 23.3 341   -  
975 - 41 23.2   423 231

Heat Treatment of steel grade 1.4021

Heat treated : 1382°C - 1137°C

Technological Curves of steel grade 1.4021

Cross Reference Table (Equivalent Grade) of 1.4021

Grade Standard Country Application
1.4021 AFNOR France Martensite And Precipitation Hardening
1.4016 1.4024
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Jiangyou Longhai Special Steel Co.,Ltd.
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...

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