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STS321HTP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS321HTP

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KS STS321HTP

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This page is mainly introduced the STS321HTP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS321HTP,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless lined steel pipe

Steel Garde:STS321HTP
Type:Stainless Steels
Country:Korea
Standard:KS
Standard Number:

ITEM Standard Number Descriptions

1 D 3576 (2011) Stainless steel pipes

2 D 9536 (2011) Stainless lined steel pipe
Metallographic Structure:Austenite
Application:Stainless lined steel pipe

ITEM	Standard Number	Descriptions
1	D 3576 (2011)	Stainless steel pipes
2	D 9536 (2011)	Stainless lined steel pipe

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS321	KS	Korea
STS321TKA	KS	Korea
STS321HTB	KS	Korea
STS321HTF	KS	Korea
STS321TB	KS	Korea
STS321TF	KS	Korea
STS321TPY	KS	Korea
STS321FB	KS	Korea
STS321HFB	KS	Korea
STS321TP	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn		2.00
P		0.045
S		0.030
Cr	17.00	19.00
Ni	9.00	13.00
Mo
N
Ti	5×C％

Mechanical Properties

Tensile strength	388～635	σb/MPa
Yield Strength	506	σ 0.2 ≥/MPa
Elongation	22	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	034～964	-
HRC	30	-

Physical Properties

Thermal expansion	55-90	e-6/K
Thermal conductivity	67-59	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9469-5160	째C
Density	0860-5251	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)
STS321HTP 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