급료
API를 J55, API를 K55, API를 N80, API를 L80, API P110
Secondary Or Not
Non-secondary
Product name
China manufactured API 2 7/8 oilfield tubing pipe
grade
J55/N80/L80/P110,T95,C95,
OD size
2-3/8" ,2-7/8", 3-1/2", 4", 4-1/2"
technique
hot rolled, cold rolled
surface treatment
3PE, black painting, anti-corrosion oil