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

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JIS SUS 321TKA

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

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

ITEM Standard Number Descriptions

1 G 3446 (2012) Stainless steel pipes for machine and structural purposes
Application:Stainless steel pipes for machine and structural purposes

ITEM	Standard Number	Descriptions
1	G 3446 (2012)	Stainless steel pipes for machine and structural purposes

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn		2.00
P		0.04
S		0.03
Cr	17.00	19.00
Ni	9.00	13.00
Mo
Ti	5×C％

Mechanical Properties

Tensile strength	032～913	σb/MPa
Yield Strength	322	σ 0.2 ≥/MPa
Elongation	45	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	269～362	-
HRC	30	-

Physical Properties

Thermal expansion	25-81	e-6/K
Thermal conductivity	40-45	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3948-4602	째C
Density	2739-7049	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 321TKA 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