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. Heat treatment specs below.

Size: 3mm x 50mm x 1 meter


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SKU: STEE268 Category:



Normalising Cycle:

829°C, Hold for 10 minutes and then cool in still air to black and magnetic.

Grain Refinement Cycle:

785°C, Hold for 10 minutes and then cool in still air to black and magnetic.

Annealing Cycle:

741°C, Hold for 30 minutes and then slow cool in furnace, ash or vermiculite.


800 °C, Hold for 10 minutes

Quench in PQ11 fast oil


175 – 200°C


More information:

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)

Additional information

Weight 2 kg
Dimensions 1000 × 50 × 3 mm