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GH1139 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH1139

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GB GH1139

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This page is mainly introduced the GH1139 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH1139,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH1139

Steel Garde:GH1139
Type:Superalloys
Country:China
Standard:GB
Application:Iron-based superalloy

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.12
Cr	23.0	26.0
Ni	15.0	18.0
B		0.01
Mn	5.0	7.0
Si		1.0
N	0.30	0.45

Mechanical Properties

Tensile strength	717～756	σb/MPa
Yield Strength	785	σ 0.2 ≥/MPa
Elongation	91	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	045～987	-
HRC	30	-

Physical Properties

Thermal expansion	87-61	e-6/K
Thermal conductivity	23-94	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1602-3572	째C
Density	0577-4303	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)
GH1139 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