Available 24/7 at contact@steel-grades.com

Description

China GB GH1139 Superalloys Iron-based superalloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Superalloys: GH1139
Category Class Grade Standard Country Application
Steel GradesSuperalloys GH1139 GB China Iron-based superalloy

Chemical composition(mass fraction)(wt.%) of the GH1139

C Cr Ni B Mn Si N
≤0.12 23.0 -26.0 15.0 -18.0 ≤0.01 5.0 -7.0 ≤1.0 0.30 -0.45

Mechanical Properties of steel grade GH1139

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)
451 (≥) 573 (≥) 21 12 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade GH1139

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 - -     0.31 -  
262 885 - 32.3 412   -  
347 - 31 33.2   441 412

Heat Treatment of steel grade GH1139

Heat treated : 1117°C - 1122°C

Technological Curves of steel grade GH1139

Cross Reference Table (Equivalent Grade) of GH1139

Grade Standard Country Application
GH1139
GH1139

Available Suppliers

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...

Rfq.: sales@longhaisteel.com
  • Do you supply this GH1139?
  • List your company on S&G now? Join
  • Non-paying users only
Top