API 5CT 3 1/2 " Tubing
USD $1,000 - $1,500 /Ton
Min.Order:20 Tons
Nantong Yongda Pipe Industry Co., Ltd.
Our company is a professional manufacturer of OCTG casing and tubing pipes under API Spec.5CT.
In order to assure product quality, our company has established inside quality Control Lab with advanced chemical and physical inspection equipment, such as metallographic microscopes, and NDT testing equipment and so on. We also have following inspections to ensure product quality.
Size and surface inspection
Non-destruction test
Thread Inspection
Hydrostatic test
Drifting test
Physical and chemical analysis
Hardness and pressure test
The third party certification