Asme B16.11 sod weld giciye shine babban bututun bututun da aka kirkira don haɗin bututun guda huɗu a kusurwar digiri 90. An kera shi cikin yarda da Asme B16.11 Matsayi, ana amfani dashi a cikin matsanancin matsin lamba da kuma babban aiki-matsakaici, haɗin haɗin kai mai zurfi ne.
