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

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CNS 321TKA

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

Steel Garde:321TKA
Type:Stainless Steels
Country:China
Standard:CNS
Application:CNS standard mechanical and structure with stainless steel pipe

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS 321TKA	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn		2.00
P		0.040
S		0.030
Cr	17.00	19.00
Ni	9.00	13.00
Mo
Ti	5×C％

Mechanical Properties

Tensile strength	149～331	σb/MPa
Yield Strength	204	σ 0.2 ≥/MPa
Elongation	41	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	622～246	-
HRC	30	-

Physical Properties

Thermal expansion	33-28	e-6/K
Thermal conductivity	54-17	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6015-7424	째C
Density	9701-3483	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)
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