Zonke Izintambo Zokucushwa
I-ASTM A193 Ibanga B7 Zonke Izintambo Zokucushwa
Ubukhulu: IFI-138, Ukubekezelela Ubude
Izakhiwo zikaMechanical: ASTM A-193 B-7
Izidingo zochungechunge: ASME B1.1, UNC noma UN8, Ikilasi 2A
Ukugqoka: Amafutha Avikelayo Alula