Steel grades: U8, U10, 11, U12, Y13 (small hardenability, heat resistance) is used in the manufacture of hand tools and cutting tools such as: cutters, drills, files, scraper, core drills. For wood suitable brand u7, U8. They have one drawback, they only work at low speeds. When the heating temperature exceeds two hundred degrees Celsius, the hardness of them (U10-U12 — 62−63HRC) decreases significantly.
Percentage composition according to GOST 1435−99
|Steel Y13||1.26 — 1.34||≤0,2||≤0,25||≤0,25||0.17 — 0.33||≤0,03||≤0,028||0,17−0,33||≤0,15|
9KHS, 11KHF, 13X, HSG, X, V
Percentage composition of steel 9KHS (GOST 5950−2000)
High speed brand
R6M5, R12F3, Р8М3К6С, Р8М3, Р8М5, P9 used for the production of high speed tool. Favorably great heat resistance, have a high estimated hardness. Alloying elements — vanadium, molybdenum, cobalt, tungsten. The tools are made from these grades of steel, very durable, with materials at high speeds is not softened by the high temperature and not lose resistance to wear. Steel R18 — 0.7−0.8% C, 3.8−4.4% Cr, 17.5−19% W, 1−1.4% V, 0.5−1% Mo.
The percentage composition of the steel R6M5 (GOST 19265−73)
|Ni||C||Cr||Mo||V||Cu||Mn||P and S||W||Si||Co|
|≤0,6||0,82−0,9||3,8−4,4||4,8−5,3||Of 1.7−2.1||≤0,25||0,2−0,5||0.03||5.5 to 6.5||0,2−0,5||≤0,5|
Easy to handle and stable in size. Must have high hardness, wear resistance, Hardness steels for measuring tools 12X1, X, is 63−64HRC. One of them create all kinds of lines and shackles, scales and ranking.
Stamps cold deformation
Created design great hardness, resistance to wear, increased strength. Possess high viscosity and operating temperatures. Such brands include 3Х2В8Ф, 5KHNV, 5KHNM, 4KH3VMF, 4KH5V2FS, 4KH2V5MF. During their processing applies high speed steel.
Stamps of hot deformation
Stamps produced from the following steel grades: 3Х2В8Ф, 5KHNV, 5KHNM, 4KH3VMF, 4KH5V2FS, 4KH2V5MF, which are inherent properties such as strength and viscosity. They do not lose their advantages when working high temperatures, have high thermal conductivity, okolnostima resistant to wear. The design characteristics 5KHNM at a temperature of 500°C: sin=900МПа, s0.2=650МПа, d=20−22%, y=70%.
Hard alloys ВК3, VK6, ВК10, Т30К4, T15K6, Т5К12, ТТ7К12, ТТ8К6, ТТ20К9 produce a powder with the help of latest technology. During production using special additives — refractory metals, carbides WC, TiC, TAC, COC. For rough turning suitable alloy VK8. These same alloys can be applied during any rough handling, calibration of the sloping pipe, drawing etc. Such alloys as ВК15, ВК10 suitable for parts that wear out quickly. For finish to rough turning are usually used alloys of titanium and tungsten. They are also used for milling and turning alloy. Their hardness 92−87HRC.
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