GH2018 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH2018

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GB GH2018

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This page is mainly introduced the GH2018 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH2018,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH2018
  • Steel Garde:GH2018
  • Type:Stainless Steels
  • Country:China
  • Standard:GB
  • Standard Number:
    ITEM Standard Number Descriptions
    1 GB/T 14992 (1994) Classification and designation for superalloys and high temperature intermetallic materials
    2 GB/T 14995 (2010) Hot-rolled superalloy sheets
    3 GB/T 14996 (2010) Cold-Rolled heat-resisting superalloy sheets
  • Application:Classification and designation for superalloys and high temperature intermetallic materials

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.06
Cr 18.0  21.0
Mo 3.70  4.30
Ni 40.0  44.0
W 1.80  2.20
Al 0.35  0.75
Ti 1.80  2.20
Si   0.60
Mn   0.50
P   0.020
S   0.015
B   0.015
Ce   0.02
Zr   0.05

Mechanical Properties

Tensile strength 651~057 σb/MPa
Yield Strength 201 σ 0.2 ≥/MPa
Elongation 92 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 125~648 -
HRC 30 -

Physical Properties

Thermal expansion 05-88 e-6/K
Thermal conductivity 44-63 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0299-5541 째C
Density 2239-0110 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)
GH2018 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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