LUCCHINI 2344
W. Nr. 1.2344
DIN EN ISO4957 X40CrMoV5-1
AISI H13
NADCA GRADE A
SPECIAL HOT WORK TOOL STEEL HIGHLY RESISTANT TO THERMAL FATIGUE AND HIGH TEMPERATURE WEAR
GENERAL CHARATERISTICS
Lucchini 2344 is a special Chromium-Molybdenum-Vanadium alloyed steel designed for the manufacture of dies, moulds, punches and other components subjected to high working temperatures and high temperature wear. Lucchini 2344 is obtained through a special ‘super clean’ manufacturing process, which allows a high level of micro-purity. Lucchini 2344 represents one of the most important tough options, for highly resistant plastic moulds that need very high pressure strength, excellent resistance to abrasion, also in combination with different surface coatings, and improved toughness in the meantime. If subjected to suitable hardening, followed by at least two suitable tempers, LUCCHINI 2344 can reach a hardness of 50 HRC without affecting the toughness. In order to improve further the mechanical characteristics of the surface, LUCCHINI 2344 can be coated with PVD or PA/ CVD methods. Alternatively it can be subjected to nitriding: this allows a hardness value of the nitrided layer up to about 900-1000 HV.
Comparison with international classification
W. Nr. 1.2344
DIN EN ISO4957 X40CrMoV5-1
AISI H13
NADCA GRADE A
PHYSICAL AND PROCESS
CHARACTERISTICS
MAIN APPLICATION
• dies for aluminium die-casting;
• dies subjected to low pressure;
• chill moulds for gravity casting;
• containers for die-casting presses;
• dies for aluminium extrusion;
• extrusion press blocks;
• sleeves for extrusion presses;
• injection moulds.
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