API Spec 7-1 Non-Magnetic Drill Collar 4 3/4"-Nc35
Hebei Shitan Machinery Manufacturing Co., Ltd.Base Info
- Model NO.：4 3,4"-NC35
- Manufacturing Process：Forging and Integral Heat Treatment
- Surface Treatment：Without Processing
- Operation Pressure：Atmospheric Pressure
- Material：Low Magnetic Stainless Alloy Steel
- Trademark：Shitan
- Specification：4 3,4"-NC35
- Origin：China
- HS Code：8431431000
Description