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GH1140 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH1140

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GBT GH1140

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This page is mainly introduced the GH1140 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH1140,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH1140

Steel Garde:GH1140
Type:Special Alloy
Country:China
Standard:GBT
Application:Solid solution strengthening type iron base alloy

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	241～442	σb/MPa
Yield Strength	789	σ 0.2 ≥/MPa
Elongation	89	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	434～093	-
HRC	30	-

Physical Properties

Thermal expansion	87-04	e-6/K
Thermal conductivity	44-18	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5838-1249	째C
Density	3132-0973	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)
GH1140 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