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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GBT 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
  • Steel Garde:GH1138
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:High temperature iron base alloy

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 047~285 σb/MPa
Yield Strength 894 σ 0.2 ≥/MPa
Elongation 12 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 795~388 -
HRC 30 -

Physical Properties

Thermal expansion 81-42 e-6/K
Thermal conductivity 93-27 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5733-4981 째C
Density 1953-5127 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 Special Alloy 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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