niki Astm a269 tubing?

turi uruganda rukora ibyuma bitagira umwanda astm a249 coing tubing, igipimo ni ASTM A 249 Coing tubing, umuyoboro ni Standard ni ASTM A249.ubuso burasa, uburebure ni 4000m / Coil, umuyoboro wa coil uroroshye, urashobora gukoreshwa kumurima wamavuta, guhuza imiyoboro, Ibikoresho