AISI 304LN

AISI 304LN

Stainless steel grade 304 is the most commonly used stainless steel. Stainless steel grade 304LN is a nitrogen-strengthened version of stainless steel grade 304.

Chemical Composition


Element Content(%)
Chromium, Cr 18-20
Nickel, Ni 8-12
Manganese, Mn 2 max
Silicon, Si 1 max
Nitrogen, N 0.1-0.16
Phosphorous, P 0.045 max
Carbon, C 0.03 max
Sulfur, S 0.03 max
Iron, Fe Remainder

Mechanical Properties


Properties Metric Imperial
Tensile strength 515 MPa 74694 psi
Yield strength 205 MPa 29732 psi
Elongation at break (in 50 mm) 40% 40%
Hardness, Brinell 217 217
Hardness, Rockwell B 95 95

Sheets / Plates

Production Route Hot Rolled, Cold Rolled
Material Standard AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, IS & Custom Chemistry
Size Width from 100mm to 3000mm ; Length from 500mm to 12000mm
Thickness 0.1mm to 400mm
Delivery Condition As Rolled, Annealed, Quenched and Tempered, Normalized
Surface Finish Plain, Brushed, Cladded

AISI 304LN Equivalent Grade / Specifications

  • ASTM A182
  • ASTM A213
  • ASTM A269
  • ASTM A312
  • ASTM A376
  • ASTM A240
  • ASTM A249
  • ASTM A276
  • ASTM A336
  • ASTM A403
  • ASTM A193 (B8LN, B8LNA)
  • ASTM A194 (8LN, 8LNA)
  • ASTM A320 (B8LN, B8LNA)
  • ASTM A479
  • ASTM A666
  • ASTM A688
  • ASTM A813
  • ASTM A814
  • DIN 1.4311

AISI 304LN Applications

  1. Structures in Buildings, bridges, railway stations
  2. Fabrication of pipeline components & Industrial equipment
  3. Construction of automotive bodies, warehouses, shipping containers
  4. Commercial appliances, etc.