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STS321TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS321TKA

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KS STS321TKA

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This page is mainly introduced the STS321TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS321TKA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
KS standard mechanical and structure with stainless steel pipe(KS D3536-1992)

Steel Garde:STS321TKA
Type:Special Alloy
Country:Korea
Standard:KS
Application:KS standard mechanical and structure with stainless steel pipe(KS D3536-1992)

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	293～372	σb/MPa
Yield Strength	372	σ 0.2 ≥/MPa
Elongation	49	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	731～436	-
HRC	30	-

Physical Properties

Thermal expansion	30-21	e-6/K
Thermal conductivity	20-30	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8873-1685	째C
Density	5234-9401	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)
STS321TKA 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