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

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GBT GH4738

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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	685～021	σb/MPa
Yield Strength	014	σ 0.2 ≥/MPa
Elongation	32	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	315～941	-
HRC	30	-

Physical Properties

Thermal expansion	90-33	e-6/K
Thermal conductivity	55-63	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4278-1477	째C
Density	4601-4429	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