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XH78T

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XH77TЮPy XH80TБЮ
#XH78T

Description

Russia GOST XH78T 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: XH78T
Category Class Grade Standard Country Application
Steel GradesSpecialsteel XH78T GOST Russia Russia GOCT standard deformation of high temperature alloy grades and chemical composition

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

C Si Mn P S Cr Ni Mo Al Ti Fe
≤0.12 ≤0.80 ≤0.70 ≤0.015 ≤0.012 19.00 -22.00 ≤remaining ≤ ≥ ≤0.15 0.15 -0.35 ≤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)
268 (≥) 239 (≥) 12 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

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
23 - -     0.11 -  
328 763 - 32.3 121   -  
978 - 42 44.2   324 121

Heat Treatment of steel grade XH78T

Heat treated : 1428°C - 1116°C

Technological Curves of steel grade XH78T

Cross Reference Table (Equivalent Grade) of XH78T

Grade Standard Country Application
XH78T
XH77TЮPy XH80TБЮ
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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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