API Spec 7-1 Water Well Drilling Drill Collar Lifting Sub 5"- Nc46 AISI 4145h
Hebei Shitan Machinery Manufacturing Co., Ltd.Base Info
- Model NO.:O. D 5"- NC46
- 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"- NC46
- Origin:China
- HS Code:8431431000
Description