Standard： EN 10219, EN 10219, AS 1163, JIS G3444, and GB/T 1591, etc.
Steel Grade： S275JOH/JRH, S355JOH/JRH, C250~C450 L0, Q235, and Q345~Q550, etc.
Product Range：Diameter：219.1mm ～ 610mm
Wall Thickness：4.5mm～16mm
Length：5.85m～20m
Application： construction, mechanical application, transportation, aviation, oil exploration etc.
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