Nā paipu i hoʻopaʻa ʻia i ka lōʻihihe ʻāpana koʻikoʻi ia i kekahi mau ʻoihana e like me ke kūkulu ʻana, ka ʻaila a me ke kinoea, a me nā papahana ma waho. Ma waena o nā ʻano like ʻole i loaʻa ma ka mākeke, kaulana nā paipu kila kalapona LSAW (Longitudinal Submerged Arc Welded) ma muli o ko lākou ʻano kiʻekiʻe. Hana ʻia maiAPI 5L kila,He paʻa loa kēia mau paipu a kūpono hoʻi no nā ʻano hana like ʻole.
ʻO kekahi o nā pono nui opaipu kila kalapona i hoʻopaʻa ʻia i loko o ka arc longitudinal submergedʻo ia kona ikaika a me ke kūpaʻa. Hoʻomaopopo ke kaʻina hana hoʻoheheʻe lōʻihi i kahi hoʻoheheʻe mau a ikaika, e ʻae ana i ka paipu e kū i nā kūlana kaomi kiʻekiʻe. Eia kekahi, ʻo ka hoʻohana ʻana i ke kila API 5L e hoʻonui hou aku i kona mau waiwai mechanical, e kūpono ai no nā ʻano ʻino. Loaʻa i kēia mau paipu ka ikaika tensile kiʻekiʻe a me ke kūpaʻa maikaʻi loa i ka corrosion, e kūpono ai no ka hoʻohana lōʻihi i nā kūlana ʻino.
ʻO kā mākou hui nā kūlana nui: API 5L PSL1 a me PSL2. ASTM A252,BS EN10210, BS EN10219Welina mai i nā kelepona a nā mea kūʻai aku, nā kūkākūkā ʻoihana kamaʻilio.
Ka manawa hoʻouna: Nov-02-2023