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STS304LFB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS304LFB

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KS STS304LFB

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This page is mainly introduced the STS304LFB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS304LFB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel blooms and billets for forgings

Steel Garde:STS304LFB
Type:Stainless Steels
Country:Korea
Standard:KS
Standard Number:

ITEM Standard Number Descriptions

1 D 3691 (2001) Stainless steel blooms and billets for forgings
Metallographic Structure:Austenite
Application:Stainless steel blooms and billets for forgings

ITEM	Standard Number	Descriptions
1	D 3691 (2001)	Stainless steel blooms and billets for forgings

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS304L	KS	Korea
STS304LTB	KS	Korea
STS304LTBS	KS	Korea
STS304LTPY	KS	Korea
STS304LWSA	KS	Korea
STS304LWSB	KS	Korea
STS304LCA	KS	Korea
STS304LTP	KS	Korea
STS304LN	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Si		1.00
Mn		2.00
P		0.045
S		0.030
Cr	18.00	20.00
Ni	9.00	13.00
Mo
N

Mechanical Properties

Tensile strength	272～684	σb/MPa
Yield Strength	799	σ 0.2 ≥/MPa
Elongation	81	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	668～696	-
HRC	30	-

Physical Properties

Thermal expansion	27-58	e-6/K
Thermal conductivity	11-66	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7548-5284	째C
Density	9853-9804	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)
STS304LFB 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