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

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JIS SUS 321 TB

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

Steel Garde:SUS 321 TB
Type:Stainless Steels
Country:Japan
Standard:JIS
Standard Number:

ITEM Standard Number Descriptions

1 G 3463 (2012) Stainless steel boiler and heat exchanger tubes
Metallographic Structure:Austenite
Application:Stainless steel boiler and heat exchanger tubes

ITEM	Standard Number	Descriptions
1	G 3463 (2012)	Stainless steel boiler and heat exchanger tubes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
KSUS321	NKK	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321 FB	JIS	Japan
SUS 321 HFB	JIS	Japan
SUS 321 HTB	JIS	Japan
SUS 321 HTF	JIS	Japan
SUS 321 HTP	JIS	Japan
SUS 321 TF	JIS	Japan
SUS 321 TKA	JIS	Japan
SUS 321 TP	JIS	Japan
SUS 321 TPY	JIS	Japan
SUS 321FB	JIS	Japan
SUS 321HFB	JIS	Japan
SUS 321HTP	JIS	Japan
SUS 321TKA	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn		2.00
P		0.045
S		0.03
Cr	17.00	19.00
Ni	9.00	13.00
Mo
N
Ti	5×C％

Mechanical Properties

Tensile strength	464～224	σb/MPa
Yield Strength	566	σ 0.2 ≥/MPa
Elongation	79	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	436～345	-
HRC	30	-

Physical Properties

Thermal expansion	93-60	e-6/K
Thermal conductivity	94-41	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5590-4649	째C
Density	5345-4834	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)
SUS 321 TB Stainless Steels	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