API 5l astm a52 welded steel pipe large diameter corrugated drainage pipe api5l x65 spiral welded pipes

What we can do with SSAW welding steel pipe? 

Spiral seam double surface submerged arc steel pipes are used widely in many field,such as fluid,petroleum and natrual gas transportation.Also there are some STANDARDS of PRODUCTS.

• API Spec 5L Line pipeand steel pipe standard;

• BG/T 9711.1-1997 Delivery of petroleum and natrual gasindustrial transportation steel pipe Technical conditions Part 1 Grade-A Steel Pipe;

• GB/T 9711.2-1999 Delivery of petroleum and natrual gasindustrial transportation steel pipe Technical conditions Part 1 Grade-B Steel Pipe;

• SY/T5037-2000 Spiral submerged are welding steel pipe forlow-pressure fluid deliverypipe.

Tianjin Ruijie Steel Pipe Co.,Ltd is located in Cuizhuangzi Industrial Park, Jinghai County, Tianjin, China, covering a total area of 48,800 square meters, the existing staff 260 People, including senior engineering and technical personnel 36 people.