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GH4118 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH4118

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GB GH4118

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This page is mainly introduced the GH4118 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH4118,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH4118

Steel Garde:GH4118
Type:Superalloys
Country:China
Standard:GB
Application:Iron-based superalloy

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.20
Cr	14.0	16.0
Mo	3.0	5.0
Ni		Remainder
Co	13.5	15.5
Al	4.5	5.0
Ti	3.5	4.5
B	0.01	0.025
Fe		0.1
Zr		0.15

Mechanical Properties

Tensile strength	774～747	σb/MPa
Yield Strength	945	σ 0.2 ≥/MPa
Elongation	30	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	339～670	-
HRC	30	-

Physical Properties

Thermal expansion	02-62	e-6/K
Thermal conductivity	11-33	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5647-1888	째C
Density	7880-5579	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)
GH4118 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