|Grade||analogue||W. Nr.||Aisi Uns||En||Order|
|R6M5||1.3343||sw7m||hs6-5-2||Buy from stock, view availability|
|R6M5F3||1.3344||hs6-5-3||Buy from stock, view availability|
|Р6М5К5||1.3243||sk5m||hs6-5-2-5||Buy from stock, view availability|
|R9||Buy from stock, view availability|
Steel grades y8, y10, y11, y12, y13 (low hardenability, heat resistance) are used in the manufacture of hand tools and cutting tools such as: cutters, drills, files, chisels, countersinks. For woodworking are suitable grades U7, U8. They have one drawback, they work only at low speeds. When the temperature exceeds two hundred degrees Celsius, their hardness (U10-U12 - 62-63HRC) drops significantly.
Percentage composition according to
|U13 steel||1.26 - 1.34||≤0,2||≤0,25||≤0,25||0.17 - 0.33||≤0,03||≤0,028||0,17-0,33||≤0,15|
9ХС, 11ХФ, 13Х, ХВСГ, Х, В2Ф. They are in demand in tool production, the maximum heating temperature of which does not exceed 250 °C. They are used for machining low-strength materials with increased hardenability, but low heat resistance. The calculated strength of the material to be machined should be ѕv=500¸600MPa, and the machining speed is five to eight meters per minute. Compared to carbon steels, alloyed steels are characterized byhigherhardenability. Grade X contains 0.95-1% C, 0.15-0.4% Mn, 0.15-0.35% Si, 1.3-1.65% Cr, 64-65HRC.
Percentage composition of steel 9ХС (GOST 5950-2000)
High-speed cutting grades
R6M5, R12F3, R8M3K6S, R8M3, R8M5, R9 are used for production of high-speed cutting tools. They are advantageously distinguished by high heat resistance and have high design hardness. The alloying elements are vanadium, molybdenum, cobalt and tungsten. Tools made of these steel grades are very durable when processing materials at high speeds are not softened by high temperatures and do not lose their resistance to wear. Steel P18 - 0.7-0.8% C, 3.8-4.4% Cr, 17.5-19% W, 1-1.4% V, 0.5-1% Mo.
Percentage composition of steel P6M5 (GOST 19265-73)
|Ni||C||Cr||Mo||V||Cu||Mn||P and S||W||Si||Co|
Easy to machine and stable in their dimensions. Must have high hardness, wear resistance, the hardness of steels for measuring tools 12X1, X, is 63-64HRC. They are used to create all kinds of rulers and brackets, scales and ranks.
Cold forming dies
Are created with calculated high hardness, resistance to wear, increased strength. They have high toughness and operational heat resistance. Such grades include 3X2V8F, 5XHNV, 5XNM, 4X3VMF, 4X5V2FS, 4X2V5MF. During their processing the high-speed steels are used.
Stamps of hot deformation.
Stamps are made from the following steel grades: 3Х2В8Ф, 5ХНВ, 5ХНМ, 4Х3ВМФ, 4Х5В2ФС, 4Х2В5МФ with such properties as strength and toughness. They do not lose their merits at working high temperatures, have increased thermal conductivity, are scale-resistant and resistant to wear. Calculated characteristics of 5CrNiM at 500°C: sv=900MPa, s0.2=650MPa, d=20-22%, y=70%.
Hard alloys ВК3, ВК6, ВК10, Т30К4, Т15К6, Т5К12, ТТ7К12, ТТ8К6, ТТ20К9 are produced by powder method using the newest technologies. During the production special additives are used - carbides of refractory metals WC, TiC, TaC, CoC. Alloy BK8 is suitable for rough turning. The same alloys can be used during any roughing, pipe rolling calibration, drawing
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