Flow control Points & shell Points

Flow control Points & shell Points

The products will mainly be used to the vertical well drilling tools, self-activated oscillating-rotating impact drilling tools and MWD and LWD with the functions of flow diversion, slush and seal of the slurry and feed back of the slurry pressure and pulse signal in the adverse working conditions of high pressure, high speed flushing of sand and slurry, high temperature, fatigue wear, gas and liquid corrosion in oil and natural gas prospecting.

Grade list

Grade	ISO Code	Chemical Composition(%)		Physical Mechanical Properties (≥)			Application
		Chemical Composition(%)		Physical Mechanical Properties (≥)
		WC	Co	Density g/cm3	Hardness(HRA)	T.R.S N/mm2
		WC	Co	Density g/cm3	Hardness(HRA)	T.R.S N/mm2
YG3	K01	97	3	14.9-15.3	≥91	≥1180	Suitable for finishing of cast iron,non-ferrous metals,alloys and non-metallic materials,and semi-finishing vehicles for intermittent cutting.
YG6	K10	93.5	6	14.8-15.1	≥92	≥1420	Finishing of chilled hard alloy cast iron and heat resistant alloy steel and ordinary cast iron.
YG6X	K20	94	6	14.7-15.1	≥91	≥1600	Cast iron, non-ferrous metals and alloys, non-metallic materials, medium to cutting, semi-finishing and finishing.
YG8	K20-K30	92	8	14.5-14.9	≥90	≥1600	Suitable for casting of cast iron, non-ferrous metals and their alloys and non-metallic materials, roughing of sections and rough cutting.
YG10	K40	90	10	14.3-14.7	≥89	≥1900	Suitable for the production of drawing dies, wear parts and stamping parts and cores for hard alloy automatic presses.
YG10X	K40	89	10	14.3-14.7	≥89.5	≥2200	Suitable for small diameter micro drills, end mills, rotary boring tools, etc.
YG15	K30	85	15	13.9-14.2	≥87	≥2100	Forging, perforating and stamping tools for steel bars and steel tubes with high compression ratios and working under large stresses.
YG20	K30	80	20	13.4-13.7	≥85.5	≥2500	Stamping die, stamping watch parts, musical instrument spring piece.
YG20C	K40	80	20	13.4-13.7	≥85.5	≥2200	punching battery case, toothpaste skin mold, small size steel ball, screw, nut stamping die, hot rolling twist drill bit plate.
YG30	G60	70	30	12.80	≥82	≥2750	Production of standard parts, bearings, tools and other industries for cold heading, cold punching, cold pressing die.

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