GH1138 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH1138

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GB GH1138

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This page is mainly introduced the GH1138 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH1138,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH1138

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.10
Cr 18.0  22.0
Mo 2.0  2.6
Ni 35.0  40.0
W 4.5  5.2
Al   0.5
Nb 1.0  1.7
B   0.008
Fe   Remainder
Mn 1.0  2.0
Si   0.8
Ce   0.05
N 0.10  0.25
Zr   0.05

Mechanical Properties

Tensile strength 047~578 σb/MPa
Yield Strength 437 σ 0.2 ≥/MPa
Elongation 51 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 292~150 -
HRC 30 -

Physical Properties

Thermal expansion 00-37 e-6/K
Thermal conductivity 39-50 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2015-4943 째C
Density 4765-4160 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)
GH1138 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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