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H70MΦ

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H50K10 H70MΦB
#H70MΦ

Description

Russia GOST H70MΦ Specialsteel Russia GOCT standard deformation of high temperature alloy grades and chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: H70MΦ
Category Class Grade Standard Country Application
Steel GradesSpecialsteel H70MΦ GOST Russia Russia GOCT standard deformation of high temperature alloy grades and chemical composition

Chemical composition(mass fraction)(wt.%) of the H70MΦ

C Si Mn P S Cr Ni Mo Al Ti Fe V
≤0.05 ≤0.20 ≤0.50 ≤0.020 ≤0.020 ≤0.30 ≤remaining 25.00 -29.00 ≤ ≥ ≤0.15 ≤0.80 1.40 -1.70

Mechanical Properties of steel grade H70MΦ

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)
959 (≥) 324 (≥) 33 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade H70MΦ

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 - -     0.33 -  
151 414 - 22.3 324   -  
853 - 22 14.2   432 141

Heat Treatment of steel grade H70MΦ

Heat treated : 1714°C - 1543°C

Technological Curves of steel grade H70MΦ

Cross Reference Table (Equivalent Grade) of H70MΦ

Grade Standard Country Application
H70MΦB
H70MΦ
H50K10 H70MΦB
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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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