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STS430TB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS430TB

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KS STS430TB

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This page is mainly introduced the STS430TB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS430TB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel for boiler and heat exchanger tubes

Steel Garde:STS430TB
Type:Stainless Steels
Country:Korea
Standard:KS
Standard Number:

ITEM Standard Number Descriptions

1 D 3577 (2007) Stainless steel for boiler and heat exchanger tubes
Metallographic Structure:Ferrite
Application:Stainless steel for boiler and heat exchanger tubes

ITEM	Standard Number	Descriptions
1	D 3577 (2007)	Stainless steel for boiler and heat exchanger tubes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS430	KS	Korea
STS430TKA	KS	Korea
STS430TKC	KS	Korea
STS430WSB	KS	Korea
STS430CA	KS	Korea
STS430TP	KS	Korea
STS430F	KS	Korea
STS430FSe	KS	Korea
STS430LX	KS	Korea
STS430LXTB	KS	Korea
STS430LXTP	KS	Korea
STS430J1L	KS	Korea
STS430J1LTP	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.12
Si		0.75
Mn		1.00
P		0.040
S		0.030
Cr	16.00	18.00
Ni		0.60
Mo
N

Mechanical Properties

Tensile strength	654～958	σb/MPa
Yield Strength	212	σ 0.2 ≥/MPa
Elongation	26	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	258～055	-
HRC	30	-

Physical Properties

Thermal expansion	91-76	e-6/K
Thermal conductivity	55-46	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3787-3801	째C
Density	9807-2143	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)
STS430TB 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