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GCr4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GCr4

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GBT GCr4

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This page is mainly introduced the GCr4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GCr4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GCr4

Steel Garde:GCr4
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	505～833	σb/MPa
Yield Strength	526	σ 0.2 ≥/MPa
Elongation	08	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	005～514	-
HRC	30	-

Physical Properties

Thermal expansion	65-74	e-6/K
Thermal conductivity	38-81	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1116-9992	째C
Density	0268-1407	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)
GCr4 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