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G42 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G42

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CSN G42

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This page is mainly introduced the G42 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G42,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G42

Steel Garde:G42
Type:Special Alloy
Country:Czech Republic
Standard:CSN
Application:The Czech republic Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	424～200	σb/MPa
Yield Strength	718	σ 0.2 ≥/MPa
Elongation	30	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	218～164	-
HRC	30	-

Physical Properties

Thermal expansion	46-01	e-6/K
Thermal conductivity	04-36	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4066-4232	째C
Density	8941-5320	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)
G42 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