Good translation Metal Products (Shanghai) cutting steel companies (domestic cutting steel / import-cutting steel) 12L14 free cutting steel / 12L14 steel / 12L14 12L14 Steel Bar Steel Coil / 12L14 steel / 12L14 steel / 12L14 steel (good translation Metal Products (Shanghai) Co., Ltd.) 
 12L14 free cutting steel is used for: 
 Mainly for the production of a smaller force while the size and finish demanding instrument, watch parts, automobiles, machine tools and other machines used for demanding dimensional accuracy and finish, while the relatively low mechanical performance requirements of standard parts such as gears, shafts, bolts, valves, bushings, pins, fittings, spring seat and machine screw, plastic mold, surgical and dental procedures appliances. 
 12L14 chemical composition: 
 Chemical composition, 12L14 containing C: 0.13% Mn :0.7-1 .0% P :0.07-0 .12% S :0.24-0 .33% Pb :0.1-0 .35% 
 12L14 is material: 
 12L14 is cutting structural steel, free cutting steel is easily (turning, milling, pull, dig, drill, etc.) cutting of steel, also known as automatic machining of steel, referred to as auto steel. It is to meet the machining production line automation and assembly-line produced. These steels can be higher cutting speed and the amount of deeper cutting knife to eat, and the incorporation of steel-cutting elements to reduce the cutting resistance and by the addition of elements own characteristics and the formation of compounds from the lubricating tool edge role of the Ministry, so easy to chip off, reducing wear and tear, resulting in improved processing parts of the finish and accuracy, improved tool life and productivity. 
 12L14 is lead-sulfur composite cutting structural steel. Lead-cutting steel, the single quality lead to tiny metal particles distributed in the steel and the steel melt is not solid, in the cutting process, tool and workpiece friction between the strong, the lead particles in the steel was melted precipitation, and thus play a role in improving the lubrication of the cutting of steel, the steel chip crushing, reduce tool wear, and ultimately extend tool life. Compared with lead-free steel, leaded steel cutting can be increased by 20 to 50%, while the mechanical properties and thermal performance remained unchanged, cold, hot workability and weldability and has no effect. Lead has been widely used for cutting steel manufacturing precision instrument parts, auto parts, all kinds of important machinery parts. However, exposure to lead-free cutting steel fatigue is low, it is not appropriate for large load to bear fatigue stress gears, bearings and other components. 
 12L14 instead of being its trend. The cutting is also very good. 12L14 can not be used for more rigorous applications. 
 The company offers domestic and imported varieties of cutting steel material, complete specifications, special specifications can be customized processing. Division I and to provide original certificates, material certificates (chemical mechanical properties) and the like arguments! Please note that request! Users are welcome to inquire Order, the Company will be free shipping! Other materials, if necessary, good translation 
 Customers ordering materials, customers need to sample pieces of note, the MOQ: 50KG from (包邮) quantity excellent price, please call to order this material, our commitment to: quality assurance! Excellent and inexpensive price! Honesty! 

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