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STS434 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS434

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KS STS434

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This page is mainly introduced the STS434 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS434,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel bars

Steel Garde:STS434
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 3702 (2008)	Stainless steel wire rods
3	D 3705 (2008)	Hot rolled stainless steel plates, sheets and strip
4	D 3706 (2008)	Stainless steel bars

Metallographic Structure:Ferrite
Application:Stainless steel bars

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS434WSB	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	16.00	18.00
Ni		0.60
Mo	0.75	1.25
N

Mechanical Properties

Tensile strength	039～643	σb/MPa
Yield Strength	893	σ 0.2 ≥/MPa
Elongation	58	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	482～348	-
HRC	30	-

Physical Properties

Thermal expansion	72-84	e-6/K
Thermal conductivity	51-75	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0451-4473	째C
Density	5218-9084	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)
STS434 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