2018年11月5日 · D2 is a common tool steel and knife steel. It is also known by other names such as the Japanese designation SKD11, German designation 1.2379, Hitachi SLD, Uddeholm Sverker 21, and many others. How long has it been around? Where did it come from? Who started using it in knives? How do its properties compare to other steels? Find your answers …

D2 steel is a kind of ledeburite tool steel, which is the most available and popular among D-series tool steels. Its hardness can reach 60+HRC after heat treatment.

D2 steel is an air-hardening tool rich in chromium, carbon, molybdenum, and vanadium elements. It is a dying form of tool steel, hence the “D” designation. It boasts superb edge retention and also features extremely high wear resistance characteristics.

What is D2 Tool Steel? D2 tool steel is an air-hardening, high carbon, high chromium tool steel with extremely high wear-resisting properties. It is a very deep hardening steel and will be practically free from size change after proper treatment.

D2 Tool Steel. D2 tool steel is an air-hardening, cold work, high carbon, high chrome tool steel with exceptionally high wear resistance properties. D2 tool steel properties combine minimal distortion in heat treatment, high toughness and wear resistance at the expense of grindability and machinability compared to other grades.

2025年2月28日 · The composition of D2 tool steel includes approximately 82.57% iron, 12% chromium, 1.55% carbon, 0.8% molybdenum, and 0.9% vanadium, along with smaller amounts of cobalt, manganese, nickel, and copper. Physical and Mechanical Properties. D2 tool steel has a density of about 7.70 g/cm³ and a melting point of approximately 1420°C.

D2 steel is an air hardening, high-carbon, high-chromium tool steel. It has high wear and abrasion resistant properties. It is heat treatable and will offer a hardness in the range 55-62 HRC, and is machinable in the annealed condition. D2 steel shows little distortion on correct hardening.

Classed as a high-carbon, high-chromium tool steel, D2 benefits from air hardening and finds use in a variety of engineering applications including heavy-duty press tools, punches, swaging dies, general-purpose dies, gauges and blanking tools.

D2 tool steel finds use in applications including industrial blades, drill bits, punches, dies and tooling for plastic injection moulding. Other applications include cold-working in areas such as shearing, punching and blanking.

D2 tool steel, also known as 1.2379 steel, is a cold work die steel with exceptional properties that have made it a favorite among metalworkers and toolmakers. Its unique combination of wear resistance, toughness, and heat resistance has positioned it as a leading material for various industrial applications.