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12X21H5T

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08X22H6T 08X21H6M2T
#12X21H5T

Description

Russia GOST 12X21H5T 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: 12X21H5T
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 12X21H5T Duplex steel GOST Russia Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the 12X21H5T

C Si Mn P S Cr Ni Mo W Ti Al
0.09 -0.14 ≤0.80 ≤0.80 ≤0.035 ≤0.025 20.00 -22.00 4.80 -5.80 ≤0.30 ≤0.20 0.25 -0.50 ≤0.08

Mechanical Properties of steel grade 12X21H5T

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)
873 (≥) 237 (≥) 41 12 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade 12X21H5T

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
42 - -     0.21 -  
261 929 - 34.3 211   -  
664 - 22 32.2   322 431

Heat Treatment of steel grade 12X21H5T

Heat treated : 1361°C - 1241°C

Technological Curves of steel grade 12X21H5T

Cross Reference Table (Equivalent Grade) of 12X21H5T

Grade Standard Country Application
12X21H5T
08X22H6T 08X21H6M2T
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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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