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H70MΦB

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H70MΦ 03XH28MДT
#H70MΦB

Description

Russia GOST H70MΦB 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: H70MΦB
Category Class Grade Standard Country Application
Steel GradesSpecialsteel H70MΦB GOST Russia Russia GOCT standard deformation of high temperature alloy grades and chemical composition

Chemical composition(mass fraction)(wt.%) of the H70MΦB

C Si Mn P S Cr Ni Mo Al Ti Fe V W
≤0.02 ≤0.10 ≤0.50 ≤ ≥ ≤ ≥ ≤0.30 ≤remaining 25.00 -27.00 ≤ ≥ ≤0.15 ≤0.80 1.40 -1.70 0.10 -0.45

Mechanical Properties of steel grade H70MΦB

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)
854 (≥) 287 (≥) 43 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade H70MΦB

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
21 - -     0.14 -  
465 641 - 32.3 411   -  
317 - 42 34.2   414 323

Heat Treatment of steel grade H70MΦB

Heat treated : 1623°C - 1859°C

Technological Curves of steel grade H70MΦB

Cross Reference Table (Equivalent Grade) of H70MΦB

Grade Standard Country Application
H70MΦB
H70MΦ 03XH28MДT
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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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