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G30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G30

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AFNOR G30

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This page is mainly introduced the G30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G30,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde: G30
Type:Special Alloy
Country:France
Standard:AFNOR
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
G30	AFNOR	France
G30	AFNOR	France
G30	AFNOR	France

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	212～722	σb/MPa
Yield Strength	314	σ 0.2 ≥/MPa
Elongation	35	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	982～303	-
HRC	30	-

Physical Properties

Thermal expansion	16-89	e-6/K
Thermal conductivity	18-53	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6784-2027	째C
Density	4915-1259	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)
G30 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