乐清市中源硬质合金有限公司

型号 Type	相当ISO分组代号 Substitution by ISO group code	性能 Performance			用途 Application
		密度 Density	抗弯强度 Power of bending resistant	硬度 Density
		G/cm³	N/mm³	HRA
YG8	K20-K30	14.5-14.9	≥1780	≥89.0	适于铸铁、有色金属及其合金与非金属材料加工中不平整断面和间断切削时的粗车、粗刨、精洗、一般孔和深孔的钻孔、扩孔。钢、有色金属及其合金的棒材与管材的拉伸、电钻钻头、切煤机齿、油井钻头、地质勘探钻头等、制造机器及工具的易磨损零件。如喷咀、顶尖、导向装置，顶锻杆及穿孔工具、木工刀片等。 Fitting gruff processing, gruff planing,and extract milling in interrupted cutting and smoothless surface in processing of cast iron, coloured metal and its alloy, and nonmetal material; drilling and expanding of ordinary and deep hole; plucking of stick and pipe material of coloured metal and its alloy; serving as head of electric drill, tooth of coal-cutting machine, head of oil-well drills, and head of drills in earth surveying, etc; frayable accessory of manufacturing machine and tool, e.g.sput, finial, guiding-set, top forging-pole, hole-shuttling tool, and wood cutter.
YG15	K40	13.9-14.1	≥2060	≥87	适于冲击回转凿岩机凿坚硬和极坚硬岩层、压缩率大的钢棒和钢管拉伸、冲压工具、硬质合金自动压力机用模模芯等。 Fitting being used in striking and turnable rock-digging maching to cut hard and extremely hard rock floor, plucking of steel stick and steel pipe with high compress ration; mould core of striking and compressing tool; hard alloy automatic compressive machine,etc.
YG20	K40	13.4-13.8	≥2260	≥85	适于制作冲压模具，如冲压手表零件、乐器弹簧片等；冲制电池壳、牙膏皮的模具；小尺寸钢球、螺钉、螺帽的冲压模具；热轧麻花钻头的压板。 Fitting manufacturing of striking and compressing mould tool,e.g.striking or compressing of watch accessory and spring flake of musical instrument,etc; clash-manufacturing of battery cell and mould of toothpaste hull; striking and compressing mould of small-size steel ball, bolt, and screw cap; compressing plank of heat-rolled twist drill head.
YG20c	K40	13.4-13.8	≥2460	≥82	适于制作标准件、轴承、工具等行业用的冷镦、冷冲、冷压模具；弹头和弹壳的冲压模具。 Fitting manufacturing of cold heading, cold striking, or cold compressing mould in standard accessory, axletree, and tool industry; striking and compressing mould of warhead and cartridge case.