The rusk of the battery (Automatic Drilling Tongs) 3M2 is designed to equip pneumatic drilling tongs designed to unfasten, unscrew and make up drill pipes during tripping operations.
The substrate of the AKB-3M2 rusk is made of rolled steel 40xN2MA, 40MN2A, 40CRNIMO etc.
The comb of AKB-3M2 rusk is made of carbide VK-15,VK-20,VK-20KS,YG15,YG20 etc.
|Grade||Equal to ISO Category Number||Performance||Performance&application recommended|
|Density G/Cm 3||Bend Strength N/mm 2||Hardness HRA|
|YG15||K40||14||2800||87.5||For fabricating drawing dies of steel tubesand rods under high|
|compressibility ratio;punching,stamping,forging tools under large stress.|
|YG15C||14||3000||85.5||For oil cone dril bits, for medium soft and medium-hard rocks.|
|YG20||13.5||3200||85.5||For fabricating of stamping dies for watch parts, spring plates of musical|
|YG20C||13.5||3300||83.5||Dies for wear resistant or impact resistant application.|
As a professional tungsten carbide manufacturer from China, with more than 20 years’ experience, we have skilled engineers and technical know-how, to meet any of your carbide request.