ASTM, izwi nka American Society for Testing and Materials, ni umuryango mpuzamahanga ufite ingufu mu bijyanye n'amabwiriza ugamije guteza imbere no gusohora amahame ngenderwaho ku nganda zitandukanye. Aya mahame atanga uburyo bumwe bwo gupima, ibisobanuro n'amabwiriza...
Isahani y'icyuma ishyushye ya SS400 ni icyuma gisanzwe gikoreshwa mu bwubatsi, gifite imiterere myiza ya mekanike n'imikorere myiza yo kuyitunganya, gikoreshwa cyane mu bwubatsi, ibiraro, amato, imodoka n'ahandi. Ibiranga isahani y'icyuma ishyushye ya SS400 h...