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 650~379 σb/MPa
Yield Strength 911 σ 0.2 ≥/MPa
Elongation 83 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 941~409 -
HRC 30 -

Physical Properties

Thermal expansion 45-33 e-6/K
Thermal conductivity 63-89 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9444-8900 째C
Density 5300-7982 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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