Dulmar guud oo ah tuubada kalkaasha
ASME SA106, ASME SA179, ASME SA192, ASME Sa210, ASME Sa213, Asme Sa235, iwm, iwm
Darajada tuubada kuleylka
Tuubooyinka bir ee jaranjarada ah ee kululayaasha cadaadiska ee hooseeya iyo kuwa dhexdhexaadka ah
GB / T3087-2008 10 # birta, 20 # bir
Tuubbooyinka birta ee aan kala go 'lahayn ee ku jira kuleylka cadaadiska sareeya
GB / T5310-2017 20G, 20mng, 25mng, iwm
Asme SA 106 Gr.a, Gr.b, GR.C, iwm
ASTM A210 Gra. Bir bir leh
ASTM A213 GR. T5, T9, T11, T22 iwm
ASTM A335 GR. P5, P9, P11, P22, P91, P92 iwm.
