AISI 1139

AISI 1139

Carbon steels are steels containing carbon as the main alloying element. They are designated by AISI four-digit numbers. They contain 0.4% of silicon and 1.2% of manganese. Small quantities of molybdenum, chromium, nickel, copper, and aluminium are also present in these steels.

Chemical Composition

Element Content(%)
Iron, Fe 97.68 - 98.3
Manganese, Mn 1.35 - 1.65
Carbon, C 0.350 - 0.430
Phosphorous, P 0.0400
Sulfur, S 0.200

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 1139 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.