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G3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G3

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JIS G3

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G3 Profile
G3 Chemical composition
G3 Mechanical Properties
G3 Physical Properties
G3 Heat treatment
G3 Size Availability
G3 Relevant products

Profile

This page is mainly introduced the G3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G3
Hardness quartile HRA:90.5
Bending strength frequency/MPa:1750

Steel Garde:G3
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
YG3X		China
YG3		China
G3	JIS	Japan
TG3	AFNOR	France
TG3	AFNOR	France
G30	AFNOR	France
G30	AFNOR	France
G30	AFNOR	France
G30	AFNOR	France
CG35	SS	Sweden
CG35	SS	Sweden
UNS G31410	UNS	USA
UNS G31400	UNS	USA
ASTM CG3M	AISI	USA
S235J2G3	UNE	Spain
S275J2G3	UNE	Spain
S355J2G3	UNE	Spain
S3S5K2G3	UNE	Spain
EN S355J2G3	EN	Euronorm
EN S355K2G3	EN	Euronorm
EN S235J2G3	EN	Euronorm
EN S275J2G3	EN	Euronorm
EN S235J2G3	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	122～227	σb/MPa
Yield Strength	613	σ 0.2 ≥/MPa
Elongation	68	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	471～347	-
HRC	30	-

Physical Properties

Thermal expansion	36-26	e-6/K
Thermal conductivity	05-87	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9980-4055	째C
Density	5706-8340	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)
G3 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