![](/uploads/image/2021/93/66/1f/35/2684b4766c5d62530df0f69ffeaef17e.jpg)
AISI 4145h Oil Drilling Drill Collar 127mm-Nc38 with API Spec 7-1/7-2
Hebei Shitan Machinery Manufacturing Co., Ltd.Base Info
- Model NO.:O. D. 127mm-NC38
- 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. 127mm-NC38
- Origin:China
- HS Code:8431431000
Description