hat
201 Nerjaveèi asye teori pwa: [(deyò epesè miray dyamèt-miray) * Mi epesè] * 0.02491 = kg / m (pwa pou chak mèt).
eng
201 Stainless Steel Management theory weight: [(outside diameter-wall thickness) * Wall thickness]*0.02491=kg/m (weight per metre).