STSF304LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STSF304LN

KS STSF304LN

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This page is mainly introduced the STSF304LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STSF304LN,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel forgings for pressure vessels
  • Steel Garde:STSF304LN
  • Type:Stainless Steels
  • Country:Korea
  • Standard:KS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 D 4115 (2001) Stainless steel forgings for pressure vessels
  • Metallographic Structure:Austenite
  • Application:Stainless steel forgings for pressure vessels

Cross Reference Table(Equivalent Materials):

Material Standard Country
STSF304L KS Korea

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.03
Si   1.00
Mn   2.00
P   0.040
S   0.030
Cr 18.00  20.00
Ni 8.00  11.00
Mo  
N 0.10  0.16

Mechanical Properties

Tensile strength 018~097 σb/MPa
Yield Strength 514 σ 0.2 ≥/MPa
Elongation 99 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 577~562 -
HRC 30 -

Physical Properties

Thermal expansion 87-96 e-6/K
Thermal conductivity 87-46 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2228-3997 째C
Density 7449-2462 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)
STSF304LN 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