GH1139 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH1139

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GB GH1139

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This page is mainly introduced the GH1139 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH1139,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH1139

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.12
Cr 23.0  26.0
Ni 15.0  18.0
B   0.01
Mn 5.0  7.0
Si   1.0
N 0.30  0.45

Mechanical Properties

Tensile strength 691~821 σb/MPa
Yield Strength 960 σ 0.2 ≥/MPa
Elongation 69 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 666~623 -
HRC 30 -

Physical Properties

Thermal expansion 36-98 e-6/K
Thermal conductivity 34-76 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2058-3158 째C
Density 7255-9582 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
GH1139 Superalloys Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

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