Stainless steel welded pipes are mainly usde in  urban landscape and decorative engineering; in the fields of light industry, pharmaceutical, papermaking, sewage treatment, water supply, machinery, etc., there is also a considerable proportion; in the chemical, fertilizer, petrochemical and other industries, the general specification is Φ159mm. The above medium and low pressure conveying pipes; the automobile muffler also uses stainless steel welded pipes.

Stainless steel seamless pipes are mainly used in “three chemical” (chemical, fertilizer, chemical fiber), petroleum, electric power boilers, machinery, aerospace, nuclear industry, national defense industry and other fields.