4" 6" 10" Welded Black Square Steel Pipe / Structural Tube ASTM A53, BS1387
Quick details: 1.Standard: BS,JIS,GB,ASME,ANSI,DIN<br
China (Mainland)
Spiral Welded Carbon Steel Pipe API 5L Grade B Q235 , Large Diameter 2000mm / 3000mm
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4" 6" 10" Welded Black Square Steel Pipe / Structural Tube ASTM A53, BS1387
Quick details: 1.Standard: BS,JIS,GB,ASME,ANSI,DIN<br
High Frequency Welded Pipes, ASTM A53, ASTM A252 API Steel Pipe, Welded Tubes, Oil Pipeline
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Quick details: 1.Standard: BS,JIS,GB,ASME,ANSI,DIN<br
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