... double-side submerged arc weled steel pipeProduction SSAW Welded Steel Pipe Brand Zhuowei Standard ASTMA139,ASTMA252, API 5L, DIN, EN10217 ... pipeline 5. Chemistry industry 6. Electric power plant circulating pipe Package1.Bundle packing or in bulk,2. Bevelled or plain ... steel pipe 2. ERW steel pipe 3. casing pipe 4. oil tube 5. hot-rolled steel pipe 6. spiral steel pipe 7. hot-galvanized steel pipe ...