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321S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 321S31

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321S31

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This page is mainly introduced the 321S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 321S31,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
321S31

Steel Garde:321S31
Type:Special Alloy
Country:UK
Application:austenitic special steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
321S31		UK

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	317～357	σb/MPa
Yield Strength	573	σ 0.2 ≥/MPa
Elongation	13	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	091～555	-
HRC	30	-

Physical Properties

Thermal expansion	96-88	e-6/K
Thermal conductivity	80-97	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6936-2887	째C
Density	6999-0521	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)
321S31 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