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- 2016-11-14 12:47
- ASTM A106Gr.B seamless steel pipe ASTM A106Gr.B seamless steel pipe usage: Oil pipe line, oilnatural gas, industrial gas
- ASTM A252 spiral steel pipe
- 2016-10-26 01:34
- ASTM A252 spiral Steel pipeAdditions:1)spiral steel pipe2)ends;3)Astm A106/A534)od:219-2080mm5)wt:6-22mmSizeWall thickne