BA2 cold work die steel is a high-quality steel that is commonly used to make cold work dies that need to withstand high stress and wear resistance. The strength and hardness of this steel are very high, so it is able to maintain its mechanical properties under extreme conditions and has a long service life.
The manufacturing process of BA2 cold work die steel is very complex and requires multiple processes and heat treatment processes. First, the steel needs to be melted and rolled at high temperatures to obtain the desired composition and structure. The steel then undergoes a series of heat and surface treatments to further improve its hardness and wear resistance.
Compared with other cold work die steels, BA2 has higher hardness and better wear resistance. This allows the BA2 to be better resistant to wear and deformation, which extends the service life of the mold. In addition, BA2 has excellent corrosion and heat resistance, and is able to maintain its performance under a variety of harsh environmental conditions.
BA2 cold work die steel has a wide range of applications, including automobiles, machinery, electronics, building materials and other fields. In the automotive field, BA2 can be used to make molds for automotive parts, such as doors, engine covers, bumpers, etc. In the field of machinery, BA2 can be used to manufacture various cutting tools, stamping dies and measuring tools. In the field of electronics, BA2 can be used to make forming molds for circuit boards and electronic components. In the field of building materials, BA2 can be used to make molding molds for glass products and cutting tools for stone.
In conclusion, BA2 cold work die steel is a high-quality steel with excellent hardness and wear resistance, corrosion resistance and heat resistance. It has a very wide range of applications and is able to meet a wide range of different needs.
Grade: BA2 steel for cold work molds
China ISC T21318
Other names: T20503
Corresponds to standard tool steel
tool and mould steels
Categorization of tool steels
Tags: Steel for cold work molds, Alloy steel
Description Characteristics and uses: air quenching steel, with good air quenching characteristics, wear resistance between high carbon oil quenching die steel and high carbon chromium wear-resistant die steel, but its toughness is good, versatility, especially suitable for making both good wear resistance and good toughness molds, such as feeding dies and forming dies, rolls, punches, calendering dies and wire rolling dies.
This standard is applicable to hot rolled, forged, cold-drawn, silver bright bar steel and machined delivery steel of tool and die steel, and its chemical composition is also applicable to ingots, billets and their products
BA2 chemical element composition content (%)
Composition C Si Mn P s Cr Mo V
The minimum value is 095 - 4.75 0.9 0.15
The maximum value is 105 0.5 1 0.03 0.02 5.5 1.4 0.5
Smelting method: electric arc furnace + vacuum degassing.
BA2 mechanical properties
Condition: Heat treatment or state hardness
HBW delivery status annealed 255
Specimen quenched HRC
Sample heat treatment system: 790 15 °C preheating, 940 °C (salt bath) or 950 °C (furnace control atmosphere) 6 °C heating, heat preservation 5 15min oil cooling; 200 6 °C tempered once, 2h
Note: The holding time refers to the time that the specimen is held after it reaches the heating temperature.
Note: The specimen is kept for 5 min in a salt bath and 5 15 min in a furnace atmosphere
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