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G5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G5

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JIS G5

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This page is mainly introduced the G5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G5,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G5
Hardness quartile HRA:89.5
Bending strength frequency/MPa:1900

Steel Garde:G5
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
TG5	AFNOR	France
TG5	AFNOR	France
G27	SS	Sweden
G27	SS	Sweden

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	569～544	σb/MPa
Yield Strength	555	σ 0.2 ≥/MPa
Elongation	50	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	404～207	-
HRC	30	-

Physical Properties

Thermal expansion	89-76	e-6/K
Thermal conductivity	44-21	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1460-2184	째C
Density	3486-2532	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)
G5 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