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SUS321FB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS321FB

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This page is mainly introduced the SUS321FB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS321FB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUS321FB

Steel Garde:SUS321FB
Type:Special Alloy
Country:Japan
Standard:JIS
Application:austenitic special steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	223～425	σb/MPa
Yield Strength	251	σ 0.2 ≥/MPa
Elongation	40	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	590～457	-
HRC	30	-

Physical Properties

Thermal expansion	61-31	e-6/K
Thermal conductivity	30-48	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1411-8468	째C
Density	0098-1350	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)
SUS321FB 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