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1.4021

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X20Cr13(AFNOR) X30Cr13
#1.4021

Description

France AFNOR 1.4021 Martensite And Precipitation Hardening and 1.4021 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4021
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4021 AFNOR France Martensite And Precipitation Hardening
X2CrNbZr17
1.4590
X2CrAlTi18-2
1.4605
1.4509
X2CrMoTi29-4
1.4592
X12Cr13
1.4006
X20Cr13(AFNOR)

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.16-0.25 Max 1.00 Max 1.50 Max 0.040 Max 0.015 12.00-14.00

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)
531 (≥) 742 (≥) 13 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

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
33 - -     0.41 -  
626 485 - 41.3 131   -  
226 - 34 32.2   241 323

Heat Treatment of steel grade 1.4021

Heat treated : 1495°C - 1193°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
X20Cr13(AFNOR) X30Cr13
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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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