AWS E8015-B2 ʻO nā kila haʻahaʻa haʻahaʻa haʻahaʻa ka pauka metala wiliwili uwea wiliwili mea

He kūpono ʻo AWS E8015-B2 no ka hoʻoheheʻe ʻana i ka paila hoʻoheheʻe ʻana i ka ʻili o ka ʻili a me ka pā wai o ke kahua mana e hana ana i ka mahana ma lalo o 550 ℃. ʻO ka paipu mahu, ka moku kaomi kiʻekiʻe, e like me 15CrMo tube plate, A335-P11 tube, A387Gr.11 plate; A hiki ke hoʻohana ʻia i loko o ka hydrogenation reactor, heat exchanger a me nā kīʻaha kiʻekiʻe kiʻekiʻe a me ka paila pipeline wili, hiki ke hoʻohana ʻia e weld 30CrMnSi hoʻolei kila.

Hoʻomaʻamaʻa pinepine ʻia ka groove e ka lapalapa a i ʻole ke kaʻina ʻoki plasma. I ka wā e pono ai, pono e hoʻomaʻamaʻa mua ʻia ka ʻokiʻoki, a pono e hana ʻia ka hoʻāʻo PT ma hope o ka wili ʻana e wehe i nā māwae ma ke awāwa. Hoʻohana pinepine ʻia ke ʻano V-like groove, a ʻo ka Angle groove he 60°. Mai ka manaʻo o ka pale ʻana i nā māwae, ʻoi aku ka maikaʻi o ka Angle groove, akā hoʻonui ia i ka nui o ka welding. I ka manawa like, hoʻomaʻemaʻe ʻia ka ʻōpala a me nā ʻaoʻao ʻelua o loko, a hoʻopau ʻia ka lepo e like me ka aila, ka ʻōpala a me ka maʻa (dehydrogenation and porosity prevention).