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320S18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 320S18

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320S18

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This page is mainly introduced the 320S18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 320S18,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
320S18

Steel Garde:320S18
Type:Special Alloy
Country:UK
Application:austenitic special steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	246～989	σb/MPa
Yield Strength	795	σ 0.2 ≥/MPa
Elongation	28	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	139～948	-
HRC	30	-

Physical Properties

Thermal expansion	18-82	e-6/K
Thermal conductivity	78-91	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3375-7596	째C
Density	0959-7088	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)
320S18 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