SAE 1070 High Carbon Steel 3mm


SAE 1070 High Carbon Steel can be oil hardened. A popular knife steel that is very wear resistant. Can be forged. Ideal for an EDC.

It is also used for railroad and street railway rails, heavy machinery parts, shafts, springs and a wide variety of hand and machine tools requiring strength and wear resistance.

Size: 3mm x 50mm x 1 meter

6 in stock

SKU: STEE268 Category:



Carbon steels are those that have carbon as the specific alloying element. They contain up to 0.4% silicon and 1.2% manganese. The residual elements such as copper, molybdenum, aluminium, chromium and nickel are also present in these steels.

Chemical Composition

The chemical composition of AISI 1070 carbon steel is outlined in the following table.

Element Content (%)
Iron, Fe ~ 98
Carbon, C 0.65 – 0.75
Manganese, Mn 0.60 – 0.90
Sulfur, S 0.050 (max)
Phosphorous, P 0.04 (max)


  • Normalize by heating to 843° to 899°C before air cooling
  • Anneal by heating to 843° to 857°C before air cooling
  • Harden by heating to 788° to 829°C before oil quenching
  • Temper to appropriate strength and hardness, from 204° to 704°C

Additional information

Weight 2 kg
Dimensions 1000 × 50 × 3 mm