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H70MΦ

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H50K10 H70MΦB
#H70MΦ

Description

Russia ГОСТ H70MΦ Russia COST standard deformation of high temperature alloy and H70MΦ Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: H70MΦ
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy H70MΦ ГОСТ Russia Russia COST standard deformation of high temperature alloy
XH70BMЮT
XH70BMTЮ
XH70BMTЮΦ
XH75MБTЮ
XH75BMЮ
XH77TЮP
XH77TЮPy
XH78T
XH80TБЮ　
H50K10

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) Ti(%) Fe(%)
Max 0.05 Max 0.20 Max 0.50 0.02 0.02 Max 0.30 Balance 25.0-29.0 1.40-1.70 Max 0.15 Max 0.80

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)
556 (≥) 839 (≥) 14 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

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 - -     0.11 -  
929 616 - 32.3 114   -  
927 - 11 23.2   232 414

Heat Treatment of steel grade H70MΦ

Heat treated : 1715°C - 1714°C

Technological Curves of steel grade H70MΦ

Cross Reference Table (Equivalent Grade) of H70MΦ

Grade Standard Country Application
H70MΦ ГОСТ Russia Russia COST standard deformation of high temperature alloy
H70MΦB ГОСТ Russia Russia COST standard deformation of high temperature alloy
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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