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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)
768 (≥) 317 (≥) 44 43 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

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
12 - -     0.12 -  
321 571 - 32.3 223   -  
639 - 41 44.2   321 224

Heat Treatment of steel grade H70MΦ

Heat treated : 1351°C - 1259°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.

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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