ʻO ka paipu kila Seamless Spcification, Standards and Grade.

Hoʻohana nui ʻia nā paipu kila seamless i nā ʻoihana like ʻole no ka lawe ʻana i nā wai a me nā kinoea, a me nā noi hoʻolālā.Hana ʻia lākou me ka ʻole o ka welding a i ʻole nā ​​hili, e ʻoi aku ka ikaika a me ka hilinaʻi.ʻO ke kikoʻī, nā kūlana, a me nā māka nopaipu kila ʻolehiki ke ʻokoʻa ma muli o nā koi kikoʻī o ka noi.Eia kekahi mau kikoʻī maʻamau, maʻamau, a me nā māka no nā paipu kila ʻole.

Hōʻike:ASTM A106-Ka Manaʻo Kūlana no ka Seamless Carbon Steel Pipe no ka lawelawe wela kiʻekiʻe

1. ʻO kēia kiko'ī e uhi ana i ka paipu kila carbon seamless no nā noi wela kiʻekiʻe.Loaʻa iā ia nā māka like ʻole e like me A, B, a me C.

Hōʻike:ASTM A53- Hōʻike maʻamau no ka Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

1. ʻO kēia kikoʻī e uhi i ka ʻeleʻele ʻeleʻele a i hoʻopaʻa ʻia me ka wela wela.Loaʻa iā ia nā māka like ʻole e like me A, B, a me C.

Hōʻike:API 5L- Hōʻike no ka Line Pipe

1. ʻO kēia kiko'ī e uhi ana i ka paipu laina kila maʻemaʻeʻole a welded no nāʻano likeʻole.Loaʻa iā ia nā māka like ʻole e like meAPI 5L Papa B, X42, X52, X60, X65, etc.

hōʻike:ASTM A252-e ho'ākāka i nā koi no ka welded a me ka seamless kila paipu paipu no ka hoʻohana 'ana i ka hana a me ka structural noi.

1. ʻO ka ASTM A252 kikoʻī e uhi ana i ʻekolu mau māka o nā puʻu paipu kila: Papa 1, Papa 2, a me ka Papa 3. Loaʻa i kēlā me kēia papa nā ʻano mechanical like ʻole, me ka ikaika hua liʻiliʻi a me ka ikaika tensile liʻiliʻi, e hoʻokō i nā koi o ka papahana.