Using the advanced heat treatment line,and closed-type step by step furnace,so the pipe is heated equally,fully Austenitization.For quenching,we use spaying outside and showing inside method, good hardenability and less deformation,completely meet the requirement of API standard.
Drill pipe quality control:
1.Before order to be confirmed, the raw material of pipe and tool joint body should be booked from
famous big steel enterprises in China.
2.Checked by our QC staff and factory own laboratory.
3.Every drill pipe has nondestructive inspection , cleaned and breach oil before packing.
4.Before delivery clients could send one QC or point the third party to check the quality such SGS, BV or
1. The drill pipes will be packed into bundles as 3x3, 3x4, 4x4 etc. and loading into containers after black painting and thread protectors installation.
2. For 20’ container, the max loading weight is 21 metric tons
3. For 40’ container, the max loading weight is 27 metric tons.
4. Usual loading port is XINGANG port in Tianjin, main port in north of China.
Drill pipe usage notes:
1.New drill pipe should be pasted thread oil before connection
2.Make up and break at least 3 times before drilling
3.Hard bending and plastic coating can be processed according to costumer special requirement.
1. Drill pipe strictly according to API ISO9001 standard
2. If you found to quality problems within one month of the package returned.
3. All strictly according to the contract and fulfill the obligations and responsibilities