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40X18H2M

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26X14H2 45X14H14CB2M
#40X18H2M

Description

Russia GOST 40X18H2M 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: 40X18H2M
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 40X18H2M GOST Russia Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the 40X18H2M

C Si Mn P S Cr Ni Mo
0.35 -0.45 ≤0.50 0.60 -1.00 0.08 -0.15 0.15 -0.25 16.50 -18.50 1.70 -2.20 0.25 -0.40

Mechanical Properties of steel grade 40X18H2M

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)
722 (≥) 823 (≥) 21 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade 40X18H2M

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
32 - -     0.43 -  
446 486 - 34.3 442   -  
155 - 31 21.2   241 421

Heat Treatment of steel grade 40X18H2M

Heat treated : 1553°C - 1178°C

Technological Curves of steel grade 40X18H2M

26X14H2 45X14H14CB2M
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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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