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G2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G2

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JIS G2

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This page is mainly introduced the G2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G2
Hardness quartile HRA:90
Bending strength frequency/MPa:2000

Steel Garde:G2
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
G2	JIS	Japan
TG2	AFNOR	France
TG2	AFNOR	France
CG20	SS	Sweden
CG20	SS	Sweden
S235JRG2	UNE	Spain
G20Mo5	UNE	Spain
S355J2G2W	UNE	Spain
S355K2G2W	UNE	Spain
G20CrMo	GBT	China
G20CrNiMo	GBT	China
G20CrNi2Mo	GBT	China
G20Cr2Ni4	GBT	China
G20Cr2Mn2Mo	GBT	China
EN S235JRG2	EN	Euronorm
EN S355J2G2W	EN	Euronorm
EN S355K2G2W	EN	Euronorm
EN S23SJRG2	EN	Euronorm
EN G20Mo5	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	422～540	σb/MPa
Yield Strength	839	σ 0.2 ≥/MPa
Elongation	92	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	612～749	-
HRC	30	-

Physical Properties

Thermal expansion	72-25	e-6/K
Thermal conductivity	78-93	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4448-2263	째C
Density	8290-6479	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)
G2 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