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AISI 2711 M


The GGD 2711M Steel is a steel specially developed for the production of plastic injection molds, which require greater mechanical resistance. The chemical composition presents higher levels of Chromium and Molybdenum when compared to W.Nr 1.2711, thus guaranteeing better homogeneity of hardness throughout the section. It has good polishability and texturizing response. Provided in the Benefited (Temperate and Temperate) state with hardness in the 38-42 HRc range, it presents higher values ​​of mechanical properties compared to GGD P20 steels.


It is used in plastic injection molds of the most varied types, of medium and high abrasiveness. Specially used in molds that need greater mechanical resistance. Molds for blow molding. Never use in chlorinated plastic molds.


Stress Relief: In complex-shaped tools with heterogeneous material removal in roughing machining, abrupt shifting of sections, etc., stress relief treatment should be performed to minimize dimensional variations. Treatment should be done at a temperature of 450 ° C for at least 1 hour for every 25 mm and then cool to calm air.

Quench: During heating for austenitization, preheating must be performed to ensure temperature homogeneity and minimize distortion. Preheat at a temperature close to 450ºC. Austenitize at temperature between880-920. Heat for 1 hour for every 25 mm of thickness and add 1 hour for every additional 25 mm. Preferably cool in preheated oil at about 70 ° C with stirring.

Tempering: Should be performed immediately after quenching when the temperature reaches about 70 ° C. The tempering temperature must be selected according to the specified hardness. For this steel to preferentially react at temperatures in the vicinity of 500 ° C to achieve the desired hardness level, generally in the range 38 – 42HRc. For this use the Tempering Table. Keep at the tempering temperature for at least 1 hour for every 25 mm of thickness and use at least double tempering.


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