1:Bututun tukunyar jirgi(ASTM A335 P5, P9, P11, P22, P91, P92 da dai sauransu)

Doke takamaiman bayani ga bututun mai-karfe don sabis na manyan-zafi

2:Bututun Layi(API 5L Gr.B X42 X52 X60 X65 X70 da dai sauransu)

Bututun da ba su da ƙarfi da ake amfani da su don sufuri mai inganci mai, tururi da ruwan da aka zana daga ƙasa zuwa masana'antar mai da iskar gas ta bututun.

3:bututun mai da mai(API 5CT J55, K55, N80, L80, P110, da dai sauransu)

Masana'antar man fetur da iskar gas ——Bututun ƙarfe don amfani da su azaman casing da tubing don rijiyoyi

4:Bututun ƙarfe mara ƙarfi don aikin injiniya(GB/T8162 42CrMo, EN10210 S235GRH, EN10219 S355JOH)

Yafi amfani da inji sumul karfe bututu, carbon karfe bututu da gami inji bututu.

5:Boiler Superheater Heat Exchanger Alloy Bututu(ASME SA179/192/210/T11/T22/T91)

Bututun Gilashin Karfe mara-tsayi da Austenitic Don Boiler Superheater Heat Exchanger Alloy Pipes Bututu