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Seamless 1/2"--24"
one welding seam 26"--96"
ASME B16.9, ASME B16.49, PFI-standard_ES-24.
A234/A234MGr. WPB-WPC A105
A234/A234MGr. WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911
ASTM/ASME A420 WPL 3-WPL 6
ASTM/ASME A860 WPHY 42-46-52-60-65-70
Bend
Hebei Haitian Pipe fitting Co.,Ltd
