| Nā kikoʻī no ka paipu kila LSAW | |
| 1.Nui | 1)OD:406mm-1500mm |
| 2) Mānoanoa o ka paia: 8mm-50mm | |
| 3)SCH20,SCH40,STD,XS,SCH80 | |
| 2. Kūlana: | ASTM A53, API 5L,EN10219,EN10210,ASTM A252,ASTM A500 etc |
| 3. Mea Hana | ASTM A53 Gr.B,API 5L Gr.B,X42,X52,X60,X70,X80,S235JR,S355J0H, a pēlā aku |
| 4. Hoʻohana: | 1) wai haʻahaʻa haʻahaʻa, wai, kinoea, ʻaila, paipu laina |
| 2) paipu hoʻonohonoho, kūkulu ʻana i nā paipu paila | |
| 3) pā, paipu puka | |
| 5. Ka uhi ʻana | 1) Ua wehe ʻia 2) Pena ʻeleʻele (uhi varnish) 3) Galvanized 4) ʻAila ʻia 5) PE, 3PE, FBE, uhi kū'ē i ka comosion, uhi Anti corrosion |
| 6. ʻenehana | paipu kila wili ʻia lōʻihi |
| 7. Nānā ʻana: | Me ka hoʻāʻo ʻana o Hyd raulic, Eddy Current, RT, UT a i ʻole ka nānā ʻana e ka ʻaoʻao 3 |
| 8. Hoʻouna | Ipu, Ipu Nui. |
| 9.E pili ana i ko mākou maikaʻi: | 1) ʻAʻohe pōʻino, ʻaʻohe kūlou 2) ʻaʻohe ʻūlū a ʻoi paha nā kihi ʻoi a ʻaʻohe ʻōpala 3) Manuahi no ka ʻaila ʻia a me ka māka ʻana 4) Hiki ke nānā ʻia nā waiwai āpau e ka nānā ʻana o ka ʻaoʻao ʻekolu ma mua o ka hoʻouna ʻana |
Hihia ʻenekinia o Hong Kong
Hihia ʻenekinia o Qatar
ʻO ka hihia ʻenekinia o Turkey
Paipu LSAWHoʻohana i ka ʻenehana kuʻihao arc i lalo, me ka hoʻohana ʻana i ka kuʻihao filler, ka pale ʻāpana flux i kanu ʻia.
ʻO LSAW ka pōkole Pelekane o ka paipu kila wili ʻia i hoʻopaʻa ʻia i lalo o ka arc. ʻO ke kaʻina hana o ka paipu kila wili ʻia i lalo o ka arc e komo pū ana me ka ʻenehana hana JCOE, ka ʻenehana hana wili ʻia i lalo o ka arc a me ka ʻenehana hana UOE.
ʻO ke kaʻina hana o ka hana ʻana i ka Longitudinal Submerged-arc Welded (LSAW) Pipe penei:
ʻO ka nānā ʻana o ka papa Ultrasonic → ka wili ʻana i ka lihi → pre-bending → forming → Pre-welding → Internal welding → External welding → Ultrasonic inspection → X-ray inspection → Expansion → hydraulic test →l. Chamfering → Ultrasonic inspection → X-ray inspection → magnetic particle inspection at the tube end
| Nā Koina Tensile | |||
| Papa 1 | Papa 2 | Papa 3 | |
| Ikaika tensile, 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 palena iki no nā mānoanoa o ka paia maʻamau %6 ʻīniha (7.9 mm) a ʻoi aku paha: Elongation ma 8 ʻīniha (203.2 mm), min, % Elongation ma 2 ʻīniha (50.8 mm), min, % | 18 30 | 14 25 | ... 20 |
| No nā mānoanoa paia ma lalo o %6 in. (7.9 mm), ʻo ka hōʻemi ʻana mai ka elongation palena iki ma 2 in. (50.08 mm) no kēlā me kēia Vzi - in. (0.8 mm) ka emi ʻana o ka mānoanoa paia ma lalo o %6 in. (7.9 mm), ma nā helu pakeneka | 1.5A | 1.25A | 1.0A... |
Hoʻāʻo Hydrostatic
Hoʻāʻo NDT(RT)
Hoʻāʻo NDT(UT)
Hoʻāʻo Kūlou—e kū pono kahi paipu kūpono i ke kulou anu ʻana ma o 90° a puni kahi mandrel cylindrical.
Hoʻāʻo hoʻopālahalaha-ʻoiai ʻaʻole koi ʻia ka hoʻāʻo ʻana, pono e hiki i ka paipu ke hoʻokō i nā koi hoʻāʻo pālahalaha.
Hoʻāʻo hydro-static—koe wale nō ka mea i ʻae ʻia, e hoʻokau ʻia kēlā me kēia lōʻihi o ka paipu i ka hoʻāʻo hydro-static me ka ʻole o ka leakage ma o ka paia o ka paipu.
Hoʻāʻo uila ʻaʻole lukuma ke ʻano he koho ʻē aʻe i ka hoʻāʻo hydro-static, e hoʻāʻo ʻia ke kino piha o kēlā me kēia paipu me kahi hoʻāʻo uila nondestructive. kahi e hana ʻia ai ka hoʻāʻo uila nondestructive, e hōʻailona ʻia nā lōʻihi me nā leka "NDE".
ʻO ka hoʻāʻo ʻana o ka ultrasonic
ʻO ka hoʻokolokolo ʻana o ke au eddy
Paipu ʻōlohelohe, uhi ʻeleʻele (i hoʻopilikino ʻia);
Me nā pale welau nā wēlau ʻelua;
Wāhi maʻamau, wēlau bevel;
Ke māka ʻana.
| Anawaena o waho | ʻAʻole e ʻokoʻa ke anawaena o waho o nā paila paipu ma mua o ±1% mai ke anawaena o waho i kuhikuhi ʻia. | ||
| Mānoanoa o ka paia | ʻAʻole e ʻoi aku ka mānoanoa o ka paia ma kekahi wahi ma mua o 12.5% ma lalo o ka mānoanoa o ka paia i kuhikuhi ʻia. | ||
| Nā lōʻihi | E hoʻolako ʻia nā paila paipu ma nā lōʻihi hoʻokahi kaulele, nā lōʻihi pālua kaulele, a i ʻole ma nā lōʻihi like e like me ka mea i kuhikuhi ʻia ma ke kauoha kūʻai, e like me nā palena ma lalo nei: | Nā lōʻihi kaulele hoʻokahi | 16 a 25 kapuaʻi (4.88 a 7.62mm), ʻīniha |
| Nā lōʻihi kaulele pālua | Ma luna o 25 kapuaʻi (7.62m) me ka awelika haʻahaʻa o 35 kapuaʻi (10.67m) | ||
| Nā lōʻihi like | ka lōʻihi e like me ka mea i kuhikuhi ʻia me kahi ʻokoʻa i ʻae ʻia o ±1 ʻīniha. | ||
| Kaumaha | E kaupaona ʻokoʻa ʻia kēlā me kēia lōʻihi o ka paila paipu a ʻaʻole e ʻokoʻa kona kaumaha ma mua o 15% ma luna a i ʻole 5% ma lalo o kona kaumaha kumumanaʻo, i helu ʻia me ka hoʻohana ʻana i kona lōʻihi a me kona kaumaha no kēlā me kēia anakahi lōʻihi. | ||
