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12X8BΦ

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15X5BΦ 40X9C2
#12X8BΦ

Description

Russia GOST 12X8BΦ 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: 12X8BΦ
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 12X8BΦ Martensite GOST Russia Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the 12X8BΦ

C Si Mn P S Cr Ni Mo W Ti V
0.08 -0.15 ≤0.60 ≤0.50 ≤0.030 ≤0.025 7.00 -8.50 ≤0.60 ≤0.20 0.60 -1.00 ≤0.03 0.30 -0.50

Mechanical Properties of steel grade 12X8BΦ

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)
547 (≥) 436 (≥) 44 31 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade 12X8BΦ

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
24 - -     0.32 -  
391 379 - 24.3 241   -  
259 - 14 41.2   111 144

Heat Treatment of steel grade 12X8BΦ

Heat treated : 1757°C - 1543°C

Technological Curves of steel grade 12X8BΦ

15X5BΦ 40X9C2
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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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