Commodity: Carbon steel seamless steel pipe Size: 15-323. 9x 1. 5-15mm (More detailed sizes, please see our E-Catalog. ) Surface: Smooth, oiled/unoiled Packing: Plain end, with protection caps in both ends Usage: Structural construction, bus-building, carrying liquidation, etc Standard adopted: Chinese Standard GB/T8162-1999, GB/T8163-1999 DIN 1626, DIN1629 Steel grade: 10#, 20#, 45# 16Mn, St35, St37, St52 Equivalent standard: JIS G 3454 STPG 370, DIN1629 St. 37, ASTM A53 Delivery: 30 days after receiving your valid L/C Min order: 20MT

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