Standard: BS 1387-1985, ASTM A53, ASTM A513, ASTM A252-98, JIS G3444-2004 STK400/500, JIS G3452-2004, EN 10219, EN 10255-1996, DIN 2440Material: Q195, Q235, Q275, Q345Specification: 1/2"-16" (OD: 21.3mm-406.4mm)Wall thickness: 1.0mm-12mmSurface...
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