1/4''-24'',13mm-610mm,carbon steel pipe welded pipe galvanized ... .79mm,D48.3-114.3mm,+-0.79%,D>114.3mm +-1.59/-0.79mmWT ToleranceWT+-12.5%ChemicalC:<0.30%,SI ... :>0.10%,MN:0.29-1.06%,P:<0.035%,S:<0.035%,Cu:<0.40 ... is long, high security, highly pressurized, widely usedMin order3 tons 1/4''-24'' carbon steel pipe