Takaitaccen bayani na bututu
Asme sa106, Asme Sa179, Asme Sa192, Asme Sa210, Asme Sa213, da sauransu
Aji na bututu
Tushewar bututu na mara nauyi ga ƙananan matsi da matsi
GB / t3087-2008 10 # karfe, 20 # karfe
Tushewar bututu mai laushi don matsi masu ƙarfi
GB / T5310-2017 20G, 20MG, 25Mng, da sauransu
Asme sa 106 Gr.A, Gr.B, GR.C, da sauransu
Astm A210 gra. GrC
Astm A213 Gr. T5, T9, T11, T22 da sauransu
Astm A335 Gr. P5, P9, P91, P22, P91, P92 da dai sauransu.
