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STS304 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS304

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KS STS304

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This page is mainly introduced the STS304 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS304,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
KS standard austenite stainless steel bars(KS D3706-1992)

Steel Garde:STS304
Type:Special Alloy
Country:Korea
Standard:KS
Application:KS standard austenite stainless steel bars(KS D3706-1992)

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS304L	KS	Korea
STS304N1	KS	Korea
STS304N2	KS	Korea
STS304LN	KS	Korea
STS304J3	KS	Korea
STS304TKA	KS	Korea
STS304TKC	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	511～758	σb/MPa
Yield Strength	340	σ 0.2 ≥/MPa
Elongation	40	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	349～174	-
HRC	30	-

Physical Properties

Thermal expansion	17-00	e-6/K
Thermal conductivity	85-47	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9277-0945	째C
Density	8078-9662	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)
STS304 Special Alloy	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