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STS444TP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS444TP

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This page is mainly introduced the STS444TP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS444TP,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:STS444TP
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:Ferrite
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
STS444	KS	Korea
STS444TB	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.025
Si		1.00
Mn		1.00
P		0.040
S		0.030
Cr	17.00	20.00
Ni		0.60
Mo	1.75	2.50
N		0.025
Ti,Nb,Zr	8×(C％+N％)	0.80

Mechanical Properties

Tensile strength	012～446	σb/MPa
Yield Strength	294	σ 0.2 ≥/MPa
Elongation	08	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	288～673	-
HRC	30	-

Physical Properties

Thermal expansion	23-13	e-6/K
Thermal conductivity	15-37	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0987-8892	째C
Density	1931-4927	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)
STS444TP 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