52100 Carbon Steel

52100 Carbon Steel is a very popular knife steel. It is a high carbon low alloy steel with good strength. When processed, high hardness between 62-66 HRC can be achieved after hardening, . It is hardened in oil. We recommend using the Premium Quench PQ11 – FAST, for this steel.

Heat tratment specs below.

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Description

HEAT TREATMENT OF 52100

Normalising Cycle:

913°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:

788°C, Hold for 30 minutes and then slow cool in furnace, ash or vermiculite.

Hardening:

815 – 830°C, Hold for 15 minutes

Quench in PQ11 Fast oil

Tempering:

150 – 200°C

Chemical Composition

The following table shows the chemical composition of AISI 52100 alloy steel.

Element Content (%)
Iron, Fe 96.5 – 97.32
Chromium, Cr 1.30 – 1.60
Carbon, C 0.980 – 1.10
Manganese, Mn 0.250 – 0.450
Silicon, Si 0.150 – 0.300
Sulfur, S ≤ 0.0250
Phosphorous, P ≤ 0.0250

Additional information

Weight 2.5 kg
Dimensions 100 × 5 × 0.6 mm
Size

3,45mm x 50mm x 1meter, 4,5mm x 50mm x 1meter, 6,3mm x 50mm x 1meter