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03X21H21M4ΓБ

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07X21Γ7AH5 45X22H4M3
#03X21H21M4ΓБ

Description

Russia GOST 03X21H21M4ΓБ Specialsteel Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 03X21H21M4ΓБ
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 03X21H21M4ΓБ Austenite GOST Russia Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the 03X21H21M4ΓБ

C Si Mn P S Cr Ni Mo W Ti Nb
≤0.03 ≤0.60 1.80 -2.50 ≤0.030 ≤0.020 20.00 -22.00 20.00 -22.00 3.40 -3.70 ≤0.20 ≤0.20 15×C -0.80

Mechanical Properties of steel grade 03X21H21M4ΓБ

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)
979 (≥) 548 (≥) 22 12 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade 03X21H21M4ΓБ

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 - -     0.33 -  
748 555 - 34.3 423   -  
431 - 24 21.2   244 114

Heat Treatment of steel grade 03X21H21M4ΓБ

Heat treated : 1134°C - 1458°C

Technological Curves of steel grade 03X21H21M4ΓБ

07X21Γ7AH5 45X22H4M3
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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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