API Spec 7-1 P550 Gas Drilling Non-Magnetic Drill Collar O. D. 165.1mm-Nc46
Hebei Shitan Machinery Manufacturing Co., Ltd.Base Info
- Model NO.：O. D. 165.1mm-NC46
- Manufacturing Process：Forging and Integral Heat Treatment
- Surface Treatment：Without Processing
- Operation Pressure：Atmospheric Pressure
- Material：Low Magnetic Stainless Alloy Steel
- Trademark：Shitan
- Specification：O. D. 165.1mm-NC46
- Origin：China
- HS Code：8431431000
Description