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
YG8N	K20-K30	14.5-14.9	≥1670	≥90.0	硬铸铁、球墨铸铁、白口铁及有色金属精加工。 Extract processing of hard cast iron, ball-ink cast iron, white-mouthed iron and coloured metal.
YG6	K20	14.7-15.1	≥1520	≥89.5	适于铸铁、有色金属及其合金与非金属材料连续切削时的精车、间断切削时的半精车、精车、小断面精车、粗车螺纹、旋风车丝、连续断面的半精铣与精铣、孔的粗扩、也用于钢、有色金属及其合金线材的干式润滑拉伸、地质勘探、煤炭采掘用电钻及风钻钻头、制造机器与工具的易磨损零件。 Fitting extract processing in nonstop cutting of cast iron, coloured metal and its alloy and nonmetal material; half-extract processing, extract processing, small-dimension extract processing, and gruff machine whorling in interrupted cutting; half-extract milling and extract milling of continuous surface and vortex machining string; gruff expanding of hole; dry lubricated plucking of steel, coloured metal, and its alloy string material; earth surveying; serving as the drill-head in wind-drill and electric drill of coal digging and the frayable accessory of manufacturing machine and tool.
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.spout, finial, guiding-set,top forging-pole, hole-shutting tool,and wood cutter.