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GCr18Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GCr18Mo

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GBT GCr18Mo

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This page is mainly introduced the GCr18Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GCr18Mo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GCr18Mo

Steel Garde:GCr18Mo
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	470～190	σb/MPa
Yield Strength	438	σ 0.2 ≥/MPa
Elongation	98	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	057～497	-
HRC	30	-

Physical Properties

Thermal expansion	85-25	e-6/K
Thermal conductivity	08-54	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5445-8775	째C
Density	6489-9483	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)
GCr18Mo 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