GH4180 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH4180

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GB GH4180

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This page is mainly introduced the GH4180 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH4180,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH4180

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04  0.10
Cr 18.0  21.0
Ni   Remainder
Co   2.0
Al 1.0  1.8
Ti 1.8  2.7
B   0.008
Fe   1.5

Mechanical Properties

Tensile strength 485~081 σb/MPa
Yield Strength 998 σ 0.2 ≥/MPa
Elongation 70 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 689~387 -
HRC 30 -

Physical Properties

Thermal expansion 68-09 e-6/K
Thermal conductivity 87-67 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2692-7068 째C
Density 3354-8405 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)
GH4180 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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