GH4738 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH4738

Location » Home » Grades > Special Alloy > GH4738

GBT GH4738

Profile

This page is mainly introduced the GH4738 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH4738,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH4738
  • Steel Garde:GH4738
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:Nickel base superalloy

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 905~804 σb/MPa
Yield Strength 057 σ 0.2 ≥/MPa
Elongation 75 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 723~279 -
HRC 30 -

Physical Properties

Thermal expansion 77-60 e-6/K
Thermal conductivity 38-21 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6306-2767 째C
Density 7277-9536 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)
GH4738 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

Hot keywords:GH4738
Previous: GH4710
Next: GH4761