JIS G3445
February 24, 2017JIS G3444 STK500
February 24, 2017JIS G3444 STK540 steel tube/pipe, seamless steel tubes/pipes and welded steel tubes/pipes
JIS G3444 is the standard of carbon steel tubes for general structural purposes, STK540 steel tubes/pipes used for civil engineering, architecture, steel towers, scaffoldings, struts, piles for suppression of landslide and other structures.
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How to calculate the weight of JIS steel pipe according to size?
Weight calculation of circular section steel pipe Formula: kg/m = (OD-WT) * Wt * 0.02466 of which OD is OD Wt is wall thickness