I kēia manawa, e hele mai nā mea kūʻai aku i kā mākou hale hana e kipa i ka hana ʻana a me ka hana ʻana o nā waiwai. ʻO nā paipu kila humuhumu i kūʻai ʻia e ka mea kūʻai aku i kēia manawaASTM A106nā kūlana a me nāASTM A53nā kūlana, a ʻo nā kikoʻī he 114.3 * 6.02.
ʻO ke kumu nui o ke kipa ʻana o ka mea kūʻai aku, ʻo ia ke nānā pono ʻana i ka hale hana ma kahi. E hele pū ana kā mākou mau luna a me nā mea kūʻai aku me ka mea kūʻai aku ma ke kaʻina hana holoʻokoʻa e hāʻawi iā lākou i kahi hoʻolauna piha a me ka lawelawe.

ASTM A106hoʻohana nui ʻia ka paipu kila maʻamau.ASTM A106No ka paipu kila humuhumu ʻole ka paipu kila maʻamau ʻAmelika. Loaʻa iā A106 ʻo A106-A a me A106-B. ʻO ka mea mua he like ia me ka mea 10# kūloko, a ʻo ka mea hope he like ia me ka mea 20# kūloko. No ka moʻo kila kalapona maʻamau ia a ʻo ia kekahi o nā mea i hoʻohana pinepine ʻia. Loaʻa i ka paipu kila humuhumu ʻole ASTM A106 ʻelua mau kaʻina hana: ke kahakiʻi anu a me ka ʻōwili wela. Ma waho aʻe o nā kaʻina hana hana like ʻole, ʻokoʻa nā mea ʻelua i ka pololei, ka maikaʻi o ka ʻili, ka nui liʻiliʻi, nā waiwai mechanical, a me ka hoʻonohonoho ʻana o ka hui. Hoʻohana nui ʻia ia i nā ʻoihana like ʻole e like me ka petroleum, ka ʻoihana kemika, nā paila, nā kikowaena mana, nā moku, ka hana mīkini, nā kaʻa, ka mokulele, ka aerospace, ka ikehu, ka geology, ke kūkulu ʻana a me ka ʻoihana koa.