Fistula carbonis ferrea est materia durabilis ex chalybe carbonii facta.
CHS Steel Pipe Standard: ASTM A53, API 5L, ASTM A252, ASTM A795, ISO65, DIN2440, BS1387. BS1139, EN10255, EN39, JIS3444, GB/T 3091 & GB/T13793
RHS SHS Steel Pipe Standard: ASTM A500, EN10219, EN10210, JIS3466, GB/T 6728
Applicatio: Constructio / materias fabricandi tibiam ferream, chalybem structuram, Fence post fistulam ferream;
Tibia pegmata, Ignis protectio fistula, CONSERVATORIUM FERRUM tibia, pressio tenuis liquida, aqua, gas, oleum, tibia linea, fistula irrigatio, fistula Handrail