AISI 1025

AISI 1025

Carbon steels are steels containing only carbon as their key alloying element. These steels also have traces of 0.4% silicon and 1.2% manganese. Small quantities of copper, nickel, molybdenum, aluminium and chromium can also be detected in the carbon steels.

Chemical Composition


Element Content(%)
Iron , Fe 99.03-99.48
Manganese, Mn 0.30-0.60
Carbon, C 0.220-0.280
Sulfur, S ≤ 0.050
Phosphorous, P ≤ 0.040

Mechanical Properties


Properties Metric Imperial
Tensile strength 440 MPa 63800 psi
Yield strength (depending on temper) 370 MPa 53700 psi
Elastic modulus 190-210 GPa 27557-30458 ksi
Bulk modulus (typical for steel) 140 GPa 20300 ksi
Shear modulus (typical for steel) 80.0 GPa 11600 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30
Elongation at break (in 50 mm) 15% 15%
Reduction of area 40% 40%
Hardness, Brinell 126 126
Hardness, Knoop (converted from Brinell hardness) 145 145
Hardness, Rockwell B (converted from Brinell hardness) 71 71
Hardness, Vickers (converted from Brinell hardness) 131 131
Machinability 65 65

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 1025 Equivalent Grade / Specifications

  • AMS 5046
  • AMS 5075
  • AMS 5077
  • ASTM A29
  • ASTM A510
  • ASTM A512
  • ASTM A513
  • ASTM A519
  • ASTM A575
  • ASTM A576
  • MIL T-5066
  • MIL T-3520
  • MIL S-7952
  • MIL S-11310 (CS 1025)
  • ASTM A830
  • QQ S-700 (C1025)
  • SAE J1397
  • SAE J403
  • SAE J412

AISI 1025 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.