ASTM A179 / ASME SA179 Ibisobanuro bisanzwe kubisobanuro bitagira ubukonje-Bishushanyije Buke-Carbone Ibyuma Bishyushya-Guhindura hamwe na Tens ya Condenser
Umuyoboro udashyushye kandi ushyushye washyizwemo nominal idafite ibyumaASTM A53 GR. GR.B.
Ubushyuhe bwo hejuru butagira karubone ibyuma
ASTM A106 GR.A GR.B
Reka ubutumwa bwawe
