GH1140 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH1140

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GB GH1140

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This page is mainly introduced the GH1140 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH1140,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH1140

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.06  0.12
Cr 20.0  23.0
Mo 2.00  2.50
Ni 35.0  40.0
W 1.40  1.80
Al 0.20  0.60
Ti 0.70  1.20
Si 0.80  0.70
P   0.025
S   0.015
Ce   0.05

Mechanical Properties

Tensile strength 411~075 σb/MPa
Yield Strength 075 σ 0.2 ≥/MPa
Elongation 72 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 462~652 -
HRC 30 -

Physical Properties

Thermal expansion 40-07 e-6/K
Thermal conductivity 34-39 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3480-0123 째C
Density 2989-2171 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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Size Availability

Steel Grade Specification Processing range(mm)
GH1140 Stainless Steels 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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