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1.4028

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X30Cr13 X39Cr13
#1.4028

Description

France AFNOR 1.4028 Martensite And Precipitation Hardening and 1.4028 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4028
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4028 AFNOR France Martensite And Precipitation Hardening
X2CrAlTi18-2
1.4605
1.4509
X2CrMoTi29-4
1.4592
X12Cr13
1.4006
X20Cr13(AFNOR)
1.4021
X30Cr13

Chemical composition(mass fraction)(wt.%) of the 1.4028

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.26-0.35 Max 1.00 Max 1.50 Max 0.040 Max 0.015 12.00-14.00

Mechanical Properties of steel grade 1.4028

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)
672 (≥) 582 (≥) 33 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade 1.4028

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 - -     0.14 -  
686 286 - 13.3 222   -  
164 - 24 11.2   341 441

Heat Treatment of steel grade 1.4028

Heat treated : 1875°C - 1497°C

Technological Curves of steel grade 1.4028

Cross Reference Table (Equivalent Grade) of 1.4028

Grade Standard Country Application
1.4028 AFNOR France Martensite And Precipitation Hardening
X30Cr13 X39Cr13
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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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