JIS G3444 STK540 steel tube/pipe,seamless steeltiub/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, seni bina,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* 0.02466of which OD is OD Wt is wall thickness