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302S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 302S31

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302S31

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This page is mainly introduced the 302S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 302S31,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
302S31

Steel Garde:302S31
Type:Special Alloy
Country:UK
Application:austenite and ferrite special steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	771～593	σb/MPa
Yield Strength	791	σ 0.2 ≥/MPa
Elongation	88	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	295～928	-
HRC	30	-

Physical Properties

Thermal expansion	27-25	e-6/K
Thermal conductivity	23-21	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9987-8969	째C
Density	2110-9420	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)
302S31 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