AISI 4815

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AISI 4815

AISI 4815

Alloy steels are designated by AISI four-digit numbers. They are more responsive to heat and mechanical treatments than carbon steels. They comprise various types of steels having compositions which exceed the limitations of Va, Cr, Si, Ni, Mo, C and B in the carbon steels.

Chemical Composition


Element Content(%)
Iron, Fe
 Balance
Carbon, C 0.13-0.18
Manganese, Mn 0.40-0.60
Phosphorous, P 0.035 (max)
Sulfur, S 0.04 (max)
Silicon, Si 0.15-0.30
Nickel, Ni 3.25-3.75
Molybdenum, Mo 0.20-0.30

Mechanical Properties


Properties Metric Imperial
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson's ratio 0.27-0.30 0.27-0.30

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 4815 Equivalent Grade / Specifications

  • ASTM A29
  • ASTM A322
  • ASTM A331
  • ASTM A519
  • ASTM A752
  • SAE J1397
  • SAE J404
  • SAE J412
  • ASTM A505
  • SAE J770

AISI 4815 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.