yini ishubhu ye-Astm a269?

singabakhiqizi bensimbi engagqwali ye-astm a249 coil tubing, indinganiso yi-ASTM A 249 Coil tubing, ishubhu yi-ASTM A249.ubuso bugqamile, ubude buyi-4000m/Ikhoyili, ishubhu lekhoyili lithambile, lingasetshenziselwa indawo kawoyela, ukufaka amapayipi, Izisetshenziswa