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 186~942 σb/MPa
Yield Strength 728 σ 0.2 ≥/MPa
Elongation 68 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 121~137 -
HRC 30 -

Physical Properties

Thermal expansion 29-69 e-6/K
Thermal conductivity 03-69 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8719-5130 째C
Density 1181-4781 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