Grades of hard alloy carbide plate sheet block Grade Density T.R.S Hardness Performance & application recommended Approx grade in China g/cm3 MPa HRA YM4A 14.9 1850 92 Fine grade alloy, with good wear resistance,  used for processing blades,wear resistance  parts etc. YG4A YM8 14.7 2400 89.5 High bending strength, wear resistance lower  than MK6A,used for processing blades, wear resistance parts etc. YG8 YM15 14.5 2500 87.5 Used for punch dies,stamping dies and wear  resistance parts. YG15 YM20 13.5 2800 85.5 High bending strength, used for step dies and other stampings dies. YG20   Application of hard alloy carbide plate sheet block Tungsten carbide disc cutter is suitable for semifinishing the chilled cast iron, nonferrous metal and its alloy. It is also suitable for semifinishing and finishing the hardened steel and alloy steel. Next please choose the types that you want Product types of hard alloy carbide plate sheet block L W S 200 200 10-45 150 150 10-45 150 130 10-45 150 100 10-45 150 80 10-45 120 120 10-45 100 100 10-50 100 50 10-50 100 45 10-50 80 55 10-50 80 40 10-40 70 35 5-40 45 25 5-20 35 19 5-20 20 20 5-20 18 13 5-20 ... ... ... All the products must be inspected strictly with the ultrasonic and only those haven't any harm such as pore can be shipped out. High density, high wear & impact resistance, which lead them a long lifetime. How to ensure the high quality standard? Do you want to know the details? Please follow......  Progress&test   Enterprise certifications As one of the most professional manufacturers of tungsten carbide products in China, Zhuzhou Ming Ri Cemented Carbide Co., Ltd supplies a wide variety of high quality products for customers worldwide with management principle of "stable quality & reliable cooperation". We passed ISO9001:2000 in 2003 and keep improving the quality everyday. We have been always trying our best to provide our customers with high quality, the best price and satisfactory services. Why choose us? 1.Zhuzhou Mingri has the richest molds stock of cold forging dies. 2.Over 23 years of stable relationship with our customers. 3.The most advanced tooling house. 4.The largest production capacity and fastest delivery. 5.The most reliable testing machines for all specifications. 6.The best and reliable after service.