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GH4145 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH4145

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GB GH4145

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This page is mainly introduced the GH4145 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH4145,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH4145

Steel Garde:GH4145
Type:Superalloys
Country:China
Standard:GB
Application:Nickel-base superalloy

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Cr	14.0	17.0
Ni		Remainder
Co		1.0
Al	0.4	1.0
Nb+Ta	0.7	1.2
Ti	2.25	2.75
Fe	5.0	7.0

Mechanical Properties

Tensile strength	233～186	σb/MPa
Yield Strength	395	σ 0.2 ≥/MPa
Elongation	87	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	569～664	-
HRC	30	-

Physical Properties

Thermal expansion	56-10	e-6/K
Thermal conductivity	82-96	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4421-5286	째C
Density	9770-2953	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)
GH4145 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