... . Type: Welded type 9. Used for: 1). Low and middle pressure fluid transportation pipeline 2). Boiler Pipe, 3.) Petroleum and natural gas ... 6). Drainage project, 7). City construction, 8). Low and middle pressure boiler pipeline 10. Package: Bags, in bundle, containers or according ... Φ426*5-164265-16standardAPI5L,GB/T3091-2001,GB/T9711.1-1997material Q235,Q195,Q345noteWe can product various type welded ...