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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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GBT 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:Special Alloy
Country:China
Standard:GBT
Application:High temperature iron base alloy

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	235～448	σb/MPa
Yield Strength	694	σ 0.2 ≥/MPa
Elongation	48	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	410～553	-
HRC	30	-

Physical Properties

Thermal expansion	60-76	e-6/K
Thermal conductivity	04-27	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1969-9669	째C
Density	7651-4241	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 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