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Our cutting edges and grader blades and designed and manufactured to meet industry standard for earthmoving machinery and equipment. Our products are widely used in many construction and mining equipment worldwide. We offer a wide selection of blades manufactured from several grades of high carbon and boron steel. Many of these products are made from both high carbon and boron steel that are heat-treated and hardened to improve the lifespan while meeting the demanding requirements of earthmoving and mining applications. Our production range can cover any products with maximum width of 410mm, maximum length of 6m and maximum thickness of 110mm. There are many parts No. for cutting edge af follow for you reference: Part No.Item weight(Kg)Thickness(mm)5B 556430165D 955329.62165D 955435.18165D 955635.37195D 955850.2195D 955958.58195D 956148.72165D 956241.75165D 973266.96197D 115848.35167D 194966.59197D 450824.67168D 278622.67138D 278727.66138D 278841.72138D 278938.09133G 162632.2133G 162739.45133G 162842.63133G 796522.6713 Chemical Composition: Element Boron Steel Carbon SteelC0.26-0.300.80-0.85Si0.15-0.300.15-0.35Mn1.10-1.400.55-0.80P0.03 max0.03 maxS0.03 max0.03 maxCr0.30-0.500.30 maxB0.0005-0.003 - Mechail Proper with Heat Treatment: ElementBoron SteelCarbon SteelHardness440-520HB280-320HBYielding Point1440N/mm2600Re-N/mm2Breaking Point1674N/mm21030RM/N/mm2Elongation11%12%Resilience at-20C51J6J