ERW STEEL PIPE Standard: GB/T 13793, YB ... OD: 12.7-76MM WT: 0.6-3.5MM ERW STEEL PIPE1) Standard: GB/T 13793, YB/T5209, ... ) Wall Thickness: 0.6-3.5MM5) Application: structural tubes, field pipes, jack outer shell, handle pipes, and ... Pipe apply to many kinds of parts, like structural tubes, field pipes, jack outer shell, handle pipes, ... supply special strength pipe as clients' requirements. ERW STEEL PIPE