Tool steel primarily based on the name implies is used for the manufacture of tools and car parts and tools that can withstand vibrations and dynamic load different strengths. Tools can be as measuring and cutting.
Tool steels include:
- Carbon tool steel
- Alloy tool steel
Main characteristics of tool steels
Carbon steel is primarily used in the manufacture of patented wire or ribbon. It is widely used for products that need to be constantly and repeatedly heated during the manufacturing process. Instrumental carbon steel must be made in accordance with GOST 1435-99.
Carbon tool steel is divided into several types for different reasons. Thus, depending on the processing method, tool steels can be divided into two types:
- Steel without heat treatment
- With heat treatment steel
Instrumental alloy steel, depending on the quality of surface finish, can be 3 types:
- Hot-rolled steel
- Forged steel
- Calibrated steel
Having a special surface finish is the last thing you should consider. Instrumental speed steel should be made in accordance with GOST 19265-73. From the title becomes immediately clear that this type of steel made cutting tools. This is possible thanks to the properties of high-speed steel as a sufficiently high heat resistance and hardness, durability and ability to withstand temperature fluctuations. Its undoubted advantage is the fact that it has excellent weld ability.
Different Kinds And Uses Of Tool Steels
Tool Steels – A kind of steel having a carbon content greater than 0.7%. These steels are characterized by high hardness and strength and used for the production of tools. Tool steels are divided into quality and high quality. It depends on the content of sulfur and phosphorus: the first form of steel – 0.03% and 0.035%, in the second – 0.02% and 0.03%, respectively. Tool steels produced by certain state standards for each type of steel. For some types of steel extends standard.
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Tool steel has a number of advantages: Low cost, a large firm in comparison with other materials. The disadvantage is the low wear and low red hardness. Tool steels are divided into four categories of low-hardenability increase in hardenability. Different kinds of tool steel used to process wood for the production of tools that work in conditions that do not cause heating of the cutting edge.
- For hand tools.
- For the manufacture caliber simple form and low accuracy classes.
- For cores.
- For the needle wire.
- To crush rollers, files, scrapers plumbing,
- For cold stamping dies for small sizes and without jumps in the cross section, punches and dies for small sizes.
- Calibres simple form and low accuracy classes.
- For instruments with low wear resistance at medium and high specific pressure.
- For files, various blades and knives, sharp surgical supplies, engraving accessories.
Tool steel has high hardness. However, it should be borne in mind that the quality of their material retains only under certain conditions, namely, subject to the appropriate temperature. In case of overheating tools of carbon steel may break. The maximum allowable temperature of the order of 200ᵒS.
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