GH4049 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH4049

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GBT GH4049

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This page is mainly introduced the GH4049 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH4049,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH4049
  • Steel Garde:GH4049
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:Age hardening type iron base alloy

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 202~958 σb/MPa
Yield Strength 238 σ 0.2 ≥/MPa
Elongation 12 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 726~573 -
HRC 30 -

Physical Properties

Thermal expansion 58-03 e-6/K
Thermal conductivity 28-85 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0799-1988 째C
Density 3308-8167 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)
GH4049 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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