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12X18H9

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08X17H15M3T 17X18H9
#12X18H9

Description

Russia GOST 12X18H9 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: 12X18H9
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 12X18H9 Austenite GOST Russia Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the 12X18H9

C Si Mn P S Cr Ni Mo W Ti
≤0.12 ≤0.80 ≤2.00 ≤0.035 ≤0.020 17.00 -19.00 8.00 -10.00 ≤0.30 ≤0.20 ≤0.50

Mechanical Properties of steel grade 12X18H9

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)
438 (≥) 643 (≥) 31 33 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade 12X18H9

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
44 - -     0.31 -  
355 212 - 33.3 311   -  
985 - 32 44.2   144 233

Heat Treatment of steel grade 12X18H9

Heat treated : 1336°C - 1958°C

Technological Curves of steel grade 12X18H9

Cross Reference Table (Equivalent Grade) of 12X18H9

Grade Standard Country Application
12X18H9
12X18H9T
08X17H15M3T 17X18H9
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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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