Carbon tool steel
|Mark||Analogue||W. Nr.||Aisi Uns||En||Order|
|У12||Delivery from the stock, in stock|
Tool alloys compared to structural feature significantly greater hardness (especially after annealing), but are more fragile. By its chemical composition tool steels are divided into carbon (GOST 1435 — 54), alloy (GOST 5952−51) and high speed (GOST 5952−51).
The carbon content
Tool steel in carbon content and hardness are divided into low-carbon containing carbon up to 0.25%; medium carbon, from 0.25% to 0.6% and high carbon 0.6 to 2%.
Tool steel in accordance with the state standard 1435−54 can have the following marking: u7; U8; U8G; U9; U10; 11; Y12; Y13. The letter U indicates the presence of carbon and the subsequent number is the average carbon content in tenths of a percent. The letter G indicates the high content of manganese.
|U12||1435−99||1.1 — 1.29||0.17 — 0.33||0.17 — 0.33||≤0.25||≤0.028||≤0.03||≤0.2||≤0.25|
Alloying has a multifaceted effect on the quality of the steel. Manganese increases the hardness, toughness, durability. Copper improves workability, machinability. Nickel increases the toughness and stabilize the composition.
Manufacturing tool for finishing and medium machining of unalloyed and alloyed structural steels.
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To buy, best price
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