![](/uploads/image/2021/13/12/48/f6/6ff2fdec9c94491814591dc7e50b5ca5.jpg)
API Spec 7-1 Oil/Gas/Water Drilling Drill Collar Lifting Sub 5"- 7 5/8 Reg AISI 4145h
Hebei Shitan Machinery Manufacturing Co., Ltd.Base Info
- Model NO.:O. D 5"- 7 5,8 REG
- Manufacturing Process:Forging and Integral Heat Treatment
- Surface Treatment:Spray-Paint
- Operation Pressure:Atmospheric Pressure
- Material:Structural Alloy Steel 4145h
- Trademark:Shitan
- Specification:O. D 5"- 7 5,8 REG
- Origin:China
- HS Code:8431431000
Description