| OLELO HOOLAHA NO LSAW STEEL PIPE | |
| 1. Nui | 1)OD:406mm-1500mm |
| 2) Mānoanoa Pā: 8mm-50mm | |
| 3)SCH20,SCH40,STD,XS,SCH80 | |
| 2. Kūlana: | ASTM A53,API 5L,EN10219,EN10210,ASTM A252,ASTM A500 etc |
| 3.Material | ASTM A53 Gr.B,API 5L Gr.B,X42,X52,X60,X70,X80,S235JR,S355J0H, etc |
| 4. hoʻohana: | 1) haʻahaʻa kaomi wai, wai, kinoea, aila, paipu laina |
| 2) kūkulu paipu, paipu pilang kūkulu | |
| 3) pā, paipu puka | |
| 5.Ka uhi ʻana | 1) Hōʻike ʻia 2) Pena ʻEleʻele (pani varnish) 3) Ua hooheheeia 4) Aila 5) PE, 3PE, FBE, comosion pale pale, Anti corrosion uhi |
| 6. ʻenehana | paipu kila welded longitudinal |
| 7. Nānā: | Me ka Hyd raulic Testing, Eddy Current, RT, UT a i ʻole ka nānā ʻana e ka ʻaoʻao ʻekolu |
| 8. Hoʻouna | Waena, Moku Nui. |
| 9. E pili ana i kā mākou maikaʻi: | 1) ʻAʻohe pōʻino, ʻaʻohe piko 2) ʻaʻohe burrs a ʻoi ʻoi paha a ʻaʻohe ʻōpala 3) Free no ka aila & kaha 4) Hiki ke nānā ʻia nā waiwai āpau e ka ʻaoʻao ʻekolu ma mua o ka hoʻouna ʻana |
Ka hihia ʻenekinia o Hong Kong
Ka hihia ʻenekinia o Qatar
'enekinia hihia o Tureke
Longitudinal Submerged-arc Welded(LSAW) Hoʻohana ka paipu i ka ʻenehana hoʻoheheʻe arc submerged, me ka hoʻohana ʻana i ka hoʻopihapiha hoʻopihapiha, ka pale ʻana i ka ʻōpala i kanu ʻia.
ʻO LSAW ka ʻōlelo Pelekane o ka submerged arc welded straight seam steel pipe.ʻO ke kaʻina hana o ke arc i hoʻoheheʻe ʻia i loko o ka paipu kila wili pololei me ka ʻenehana hana JCOE, ka ʻenehana hoʻoheheʻe ʻana i ka arc submerged a me ka ʻenehana hana UOE.
ʻO ke kaʻina hana o ka Longitudinal Submerged-arc Welded (LSAW) Pipe penei:
ʻO ka hoʻāʻo ʻana o ka pā kani kani → ka wili ʻana i ka ʻaoʻao → ka hoʻopololei ʻana → ka hana ʻana → Pre-weld → Ka hoʻoheheʻe ʻana i loko → Ke kuʻi ʻana o waho → Ka nānā ʻana i ke kani ultrasonic → Nānā X-ray → Hoʻonui → hoʻāʻo hydraulic →l.Chamfering → Nānā kani kani → Nānā X-ray → nānā ʻana i nā ʻāpana magnetic ma ka hopena paipu.
| Nā Koina Tensile | |||
| Papa 1 | Papa 2 | Papa 3 | |
| Ka ikaika uʻi, min, psi (MPa) | 50 000 (345) | 60 000 (415) | 66 000 (455) |
| Ka helu hua a i ʻole ka ikaika hua, min, psi(MPa) | 30 000 (205) | 35 000 (240) | 45 000 (310) |
| ʻO ka elongation haʻahaʻa loa no nā mānoanoa pā inoa inoa %6 in. (7.9 mm) a i ʻole: Elongation i 8 in. (203.2 mm), min, % Elongation i 2 in. (50.8 mm), min, % | 18 30 | 14 25 | ... 20 |
| No ka mānoanoa pā nominal emi ma lalo o %6 in. (7.9 mm), ka hoemi ana mai ka kumu palena iki elongation ma 2 in. (50.08 mm) no kela a me keia Vzi - in (0.8 mm) emi i ka nominal pā mānoanoa ma lalo o %6 in. (7.9 mm), ma nā helu pākēneka | 1.5A | 1.25A | 1.0A... |
Hoʻāʻo Hydrostatic
Hoʻāʻo NDT(RT).
Hoʻāʻo NDT(UT).
Ho'āʻo Kulou—ʻO ka lōʻihi o ka paipu e kū i ke anuanu ma kahi o 90 ° a puni kahi mandrel cylindrical.
hoao hoopalahalaha-ʻoiai ʻaʻole koi ʻia ka hoʻāʻo ʻana, hiki i ka paipu ke hoʻokō i nā koi hoʻāʻo flattening.
ʻO ka hoʻāʻo hydro-static—koe e like me ka mea i ae ia, e ho'ā 'ia kēlā me kēia lō'ihi o ka paipu i ka ho'ā'o hydro-static me ka leaka 'ole ma ka paia paipu.
ʻO ka hoʻāʻo uila nondestructive-ma ke ʻano he ʻokoʻa i ka hoʻāʻo hydro-static, e hoʻāʻo ʻia ke kino piha o kēlā me kēia paipu me kahi hoʻāʻo uila nondestructive.kahi i hana ʻia ai ka hoʻāʻo uila ʻole, e kaha ʻia nā lōʻihi me nā leka "NDE"
ʻO ka hoʻāʻo ultrasonic
ʻO ka hoʻokolokolo eddy o kēia manawa
Paipu ʻole, uhi ʻeleʻele ( customized);
ʻO nā hopena ʻelua me nā mea pale hope;
Plain end, welau bevel;
Hoailona.
| Anawaena waho | ʻAʻole ʻokoʻa ke anawaena o waho o nā puʻu paipu ma mua o ±1% mai ke anawaena waho i ʻōlelo ʻia. | ||
| Mānoanoa pā | ʻAʻole ʻoi aku ka mānoanoa o ka pā i kēlā me kēia wahi ma mua o 12.5% ma lalo o ka mānoanoa pā i koho ʻia. | ||
| Nā lōʻihi | E hoʻolako ʻia nā paipu paipu ma nā lōʻihi like ʻole, pālua ka lōʻihi, a i ʻole nā lōʻihi like ʻole e like me ka mea i kuhikuhi ʻia ma ke kauoha kūʻai, e like me nā palena ma lalo nei: | Nā lōʻihi like ʻole | 16 a 25ft (4.88 a 7.62mm), ʻīniha |
| ʻElua mau lōʻihi like ʻole | Ma luna o 25ft (7.62m) me ka awelika liʻiliʻi o 35ft (10.67m) | ||
| Nā lōʻihi like ʻole | ka lōʻihi e like me ka mea i ʻōlelo ʻia me ka hoʻololi ʻae ʻia o ±1 in. | ||
| Kaumaha | Pono e kaupaona ʻia kēlā me kēia lōʻihi o ka puʻu paipu a ʻaʻole e ʻokoʻa ke kaumaha ma mua o 15% a i ʻole 5% ma lalo o kona kaumaha manaʻo, i helu ʻia me ka lōʻihi a me ke kaumaha o ka lōʻihi. | ||
