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GH2018 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH2018

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This page is mainly introduced the GH2018 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GH2018,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GH2018

Steel Garde:GH2018
Type:Special Alloy
Country:China
Standard:GBT
Application:Age hardening type iron base alloy

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	741～137	σb/MPa
Yield Strength	768	σ 0.2 ≥/MPa
Elongation	29	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	523～757	-
HRC	30	-

Physical Properties

Thermal expansion	54-30	e-6/K
Thermal conductivity	73-85	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7142-8664	째C
Density	7680-1750	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)
GH2018 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