D2/1.2379 ALLOY STEEL

USAGE: Applied in thickness no less than 2mm punch mould, all kind of small mould for shearing and cutter together with screw0rolled or slappered mould as well as some other forming mould like rulers..

CHARACTERISTIC: E.S.R. materials, high compression strength and fine robustness. The spherical annealed make it easily processed by shearing and cutting with no crake while processing.

SIMILAR STEEL GRADE:

CHEMICAL COMPOSITION (%)

HARDNESS:≤255HB

 DELIVERY STATUS: In annealed condition.

 HEAT TREATMENT CONDITION:

1) Quenching temperature: 1000--1040°C

Cooling Medium: oil-cooling or air-cooling

Tempering temperature: 180-200°C, by two times

Tempering Hardness: ≥63.0HRC

2) Quenching temperature: 1060--1080°C

Cooling Medium: oil-cooling or air-cooling

Tempering temperature: 500-540°C, by two times

Tempering Hardness: ≥59.0-61.0HRC