kelly
group nameDrilling Tools
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Min Order1 piece
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update timeMon, 08 Apr 2013 00:08:41 GMT
Paramtents
Processing Type Forging
Machine Type Drilling Tool
Type Drill Pipe
Use Well Drilling
Certification API
oilfield equipments API
Packging & Delivery
Min Order1 piece
Briefing
made of AISI 4142H-4145H forged or rolled alloy structural steel
Charpy impact energy: more than 54J
Detailed
kelly
made of AISI 4142H-4145H forged or rolled alloy structural steel
Charpy impact energy: more than 54J
kelly
We can manufacture square drill rods and hexagonal drill rods as per requirements of customers.
They are made of AISI 4142H-4145H forged or rolled alloy structural steel.
Quenching plus tempering thermal treatment will be conducted over the whole length. Its Brinell hardness can reach 285-341 on the basis of such thermal treatment.
Charpy impact energy: ≥54J. The formulated process can ensure that the misalignment of the hole reaches the standard wall thickness.
Kelly bars are manufactured according to the technical code API.
