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 825~390 σb/MPa
Yield Strength 564 σ 0.2 ≥/MPa
Elongation 87 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 505~618 -
HRC 30 -

Physical Properties

Thermal expansion 17-67 e-6/K
Thermal conductivity 47-85 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3169-7801 째C
Density 0049-2940 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