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Description

Russia ГОСТ XH70Ю Russia COST standard deformation of high temperature alloy and XH70Ю Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: XH70Ю
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy XH70Ю ГОСТ Russia Russia COST standard deformation of high temperature alloy
XH57MTBЮ
XH58B
XH60Ю
XH60BT
XH62MBKЮ
XH62MBKЮ-BД
XH65MB 
XH65MBy
XH65BMTЮ
XH67MBTЮ

Chemical composition(mass fraction)(wt.%) of the XH70Ю

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Al(%) Fe(%) Other(%)
Max 0.10 Max 0.80 Max 0.30 0.015 0.012 26.0-29.0 Balance 2.80-3.50 Max 1.00 Ba: Max 0.10,Ce: Max 0.03

Mechanical Properties of steel grade XH70Ю

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)
962 (≥) 455 (≥) 34 21 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade XH70Ю

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 - -     0.42 -  
374 728 - 13.3 423   -  
674 - 21 43.2   442 342

Heat Treatment of steel grade XH70Ю

Heat treated : 1195°C - 1198°C

Technological Curves of steel grade XH70Ю

Cross Reference Table (Equivalent Grade) of XH70Ю

Grade Standard Country Application
XH70Ю ГОСТ Russia Russia COST standard deformation of high temperature alloy

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