Enw:DIN1630 ST37.4 ST52.4 trachywiredd tiwb dur
Safon: DIN1630 DIN2445 EN1030-4 DIN2391-C
Math: rholio oer / tynnu oer
Gradd: ST37.4 ST44.4 ST52.4
Maint:OD4mm-219mm WT0.5mm-25mm
Cyflwr: BK/NBK/GBK ac ati.
Tystysgrif Prawf Melin: EN10204 3.1
Prosesu: Plygu/Torri/Fflatio/Ffragio