Material: Q235B, Q345B, SS400 Hol Galvanized based on UNIENIGB/T13912, ISO1461, AS/NZS4680 Taper ratio 1.0-1.5% Dimension sheetL can be 3,500-12,800 mmI can be 500-1,000mmThickness is 3mm or 4mmd is 60mmD can be 90-500mmTaper ratio is 1.0-1.5%The Tollerancesexternal diameter within 1%Shape within 3% of the diameterThickness within 10%Straightening withing 0.3% of total lengthLength within 0.5%The ...
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