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

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

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.(≤) Similar Remarks
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 403~035 σb/MPa
Yield Strength 708 σ 0.2 ≥/MPa
Elongation 58 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 395~593 -
HRC 30 -

Physical Properties

Thermal expansion 08-19 e-6/K
Thermal conductivity 82-21 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9377-7235 째C
Density 3462-2985 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

Technical specification/standard for download