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STS429 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS429

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KS STS429

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This page is mainly introduced the STS429 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS429,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Hot rolled stainless steel plates, sheets and strip

Steel Garde:STS429
Type:Stainless Steels
Country:Korea
Standard:KS

Standard Number:

ITEM	Standard Number	Descriptions
1	D 3698 (2008)	Cold rolled stainless steel plates, sheets and strip
2	D 3705 (2008)	Hot rolled stainless steel plates, sheets and strip

Metallographic Structure:Ferrite
Application:Hot rolled stainless steel plates, sheets and strip

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS429J1	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.12
Si		1.00
Mn		1.00
P		0.040
S		0.030
Cr	14.00	16.00
Ni		0.60
Mo
N

Mechanical Properties

Tensile strength	821～150	σb/MPa
Yield Strength	561	σ 0.2 ≥/MPa
Elongation	79	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	748～214	-
HRC	30	-

Physical Properties

Thermal expansion	37-22	e-6/K
Thermal conductivity	03-75	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0797-3020	째C
Density	6429-1440	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)
STS429 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