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STS302B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS302B

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KS STS302B

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This page is mainly introduced the STS302B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS302B,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:STS302B
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:Austenite
Application:Hot rolled stainless steel plates, sheets and strip

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si	2.00	3.00
Mn		2.00
P		0.045
S		0.030
Cr	17.00	19.00
Ni	8.00	10.00
Mo
N

Mechanical Properties

Tensile strength	832～468	σb/MPa
Yield Strength	229	σ 0.2 ≥/MPa
Elongation	68	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	032～652	-
HRC	30	-

Physical Properties

Thermal expansion	44-70	e-6/K
Thermal conductivity	26-61	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5791-1954	째C
Density	0986-3198	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)
STS302B 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