Misendo yopangidwa ndi chitsulo chosapanga dzimbiri imatchedwa "osapanga dzimbiri 304 zimachitika pang'onopang'ono", zimatchedwanso kuti "SS 304 ma flanges". Miyezo yodziwika bwino komanso ma grades zimaphatikizapo ASYM A182 \ / l ndi f316 \ / l, ndi 300 mpaka 600, motero 300, motero.