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XH78T

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XH77TЮPy XH80TБЮ　
#XH78T

Description

Russia ГОСТ XH78T Russia COST standard deformation of high temperature alloy and XH78T Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: XH78T
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy XH78T ГОСТ Russia Russia COST standard deformation of high temperature alloy
XH67MBTЮ
XH70Ю
XH70MBTЮБ
XH70BMЮT
XH70BMTЮ
XH70BMTЮΦ
XH75MБTЮ
XH75BMЮ
XH77TЮP
XH77TЮPy

Chemical composition(mass fraction)(wt.%) of the XH78T

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Al(%) Ti(%) Fe(%)
Max 0.12 Max 0.80 Max 0.70 0.015 0.012 19.0-22.0 Balance Max 0.15 0.15-0.35 Max 1.00

Mechanical Properties of steel grade XH78T

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)
283 (≥) 937 (≥) 22 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade XH78T

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
24 - -     0.11 -  
173 574 - 14.3 243   -  
871 - 41 14.2   244 312

Heat Treatment of steel grade XH78T

Heat treated : 1935°C - 1158°C

Technological Curves of steel grade XH78T

Cross Reference Table (Equivalent Grade) of XH78T

Grade Standard Country Application
XH78T ГОСТ Russia Russia COST standard deformation of high temperature alloy
XH77TЮPy XH80TБЮ　
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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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