Upe / upn channel steel yog tsim rau ob qho tseem ceeb European Cov Qauv:
EN 10025 - 2: 2004: Kev Ntsuas Cov Khoom Siv Cov Khoom Siv, Cov Khoom Siv Rau Cov Hlau (piv txwv li, S355JR).
EN 10279: 2000: Tshaj tawm qhov ntev, cov duab, thiab siv hluav taws xob ntau dua los ntawm flange starges, suav nrog FliPle Flanges rau kev txhim kho load faib. Ob txoj kev ntsuas ua tiav Batch kuaj (Tensile, Cuam Tshuam, Kev Ntsuam Xyuas Txuj Ci) thiab TraceBility ntawm Cov Zis Ua Si, ua kom muaj kev sib xws thoob plaws cov tuam txhab tsim khoom. Ua raws li yuav tsum tau siv hauv EU kev tsim kho thiab kev tsim tawm, nrog rau kev xa tawm mus ua lag luam thiab cov ntawv pov thawj.