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GH4180 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH4180

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GB GH4180

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This page is mainly introduced the GH4180 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH4180,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH4180

Steel Garde:GH4180
Type:Superalloys
Country:China
Standard:GB
Application:Nickel-base superalloy

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.04	0.10
Cr	18.0	21.0
Ni		Remainder
Co		2.0
Al	1.0	1.8
Ti	1.8	2.7
B		0.008
Fe		1.5

Mechanical Properties

Tensile strength	485～257	σb/MPa
Yield Strength	539	σ 0.2 ≥/MPa
Elongation	81	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	179～444	-
HRC	30	-

Physical Properties

Thermal expansion	20-40	e-6/K
Thermal conductivity	90-85	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5846-5023	째C
Density	9128-4878	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)
GH4180 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