Dhuumaha Birta Kaarboon

Dhuumaha birta kaarboon waa shay waara oo laga sameeyay birta kaarboon.
Heerka Dhuumaha Birta ee CHS: ASTM A53, API 5L, ASTM A252, ASTM A795, ISO65, DIN2440, BS1387.BS1139, EN10255, EN39, JIS3444, GB/T 3091 & GB/T13793
RHS SHS Heerka Dhuumaha Birta: ASTM A500, EN10219, EN10210, JIS3466, GB/T 6728
Codsiga: Qalabka dhismaha / dhismaha tuubooyinka birta, Qaab dhismeedka birta, tuubada birta ee bowd,
Dhuumaha qashinka, tuubada birta ilaalinta dabka, Dhuumaha birta cagaaran, dareeraha cadaadiska hooseeya, biyaha, gaaska, saliidda, tuubada khadka, Dhuumaha waraabka, Dhuumaha Gacan