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GH783

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GH159 K408
#GH783

Description

China GBT GH783 wrought Co-base superalloy and GH783 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH783
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH783 GBT China wrought Co-base superalloy
GH648
GH698
GH708
GH710
GH738(GH684)
GH742
GH188
GH605
GH941
GH159

Chemical composition(mass fraction)(wt.%) of the GH783

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) W(%) Cu(%) Co(%) B(%) Nb(%) Al(%) Ti(%) Fe(%)
<0.03 <0- 50 <0.50 0.015 0.005 2.50-3.50 26.00-30.00 — 0.500 Bal 0.003-0.012 2.50-3.50 5.00-6.00 <0.40 24.00-27.00

Mechanical Properties of steel grade GH783

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)
634 (≥) 352 (≥) 23 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade GH783

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
33 - -     0.34 -  
763 138 - 34.3 241   -  
841 - 42 44.2   321 133

Heat Treatment of steel grade GH783

Heat treated : 1871°C - 1823°C

Technological Curves of steel grade GH783

Cross Reference Table (Equivalent Grade) of GH783

Grade Standard Country Application
GH783 GBT China wrought Co-base superalloy
GH159 K408
Available Suppliers
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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