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25X18H8B2

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25X18H10B2 25X18H9C2
#25X18H8B2

Description

Russia GOST 25X18H8B2 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: 25X18H8B2
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 25X18H8B2 GOST Russia Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the 25X18H8B2

C Si Mn P S Cr Ni Mo
0.21 -0.28 0.30 -0.80 ≤0.70 ≤0.030 ≤0.030 17.00 -19.00 7.50 -8.50 ≤0.30

Mechanical Properties of steel grade 25X18H8B2

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)
622 (≥) 876 (≥) 32 32 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade 25X18H8B2

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
43 - -     0.44 -  
983 822 - 12.3 221   -  
385 - 33 22.2   321 214

Heat Treatment of steel grade 25X18H8B2

Heat treated : 1833°C - 1652°C

Technological Curves of steel grade 25X18H8B2

25X18H10B2 25X18H9C2
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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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