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STS304J2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS304J2

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KS STS304J2

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This page is mainly introduced the STS304J2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS304J2,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:STS304J2
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		0.08
Si		1.70
Mn	3.00	5.00
P		0.045
S		0.030
Cr	15.00	18.00
Ni	6.00	9.00
Mo
N
Cu	1.00	3.00

Mechanical Properties

Tensile strength	777～832	σb/MPa
Yield Strength	658	σ 0.2 ≥/MPa
Elongation	66	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	057～022	-
HRC	30	-

Physical Properties

Thermal expansion	19-30	e-6/K
Thermal conductivity	76-35	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6475-1135	째C
Density	6514-3243	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)
STS304J2 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