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    Paipu kila A252 GRADE 3 no nā laina ʻauwai

    Paipu kila A252 GRADE 3 no nā laina ʻauwai Kiʻi i hōʻike ʻia
    • Paipu kila A252 GRADE 3 no nā laina ʻauwai
    • Paipu kila A252 GRADE 3 no nā laina ʻauwai

    Wehewehe Pōkole:

    Ke hoʻolauna nei i ka Paipu kila A252 GRADE 3: Ke hoʻololi nei i ke kūkulu ʻana i ka laina ʻauwai


    Nā kikoʻī huahana

    Nā Lepili Huahana

    I ke ao o ka hoʻolālā ʻenekinia a me ke kūkulu ʻana, he mea nui ka loaʻa ʻana o nā paipu kila hilinaʻi a maʻalahi hoʻi. Kūpono loa ka paipu kila A252 GRADE 3 i kēia wehewehe ʻana, e lilo ia i hoʻokahi o nā ʻano paipu kila i hoʻohana nui ʻia ma nā ʻoihana. Me kona ikaika kiʻekiʻe a me ke kūpaʻa i ka pala, ke lawe mai nei kēia paipu kila i kahi hoʻololi i manaʻo ʻole ʻia i ke kūkulu ʻana i nā paipu ʻauwai.

    Paipu kila A252 PAPALE 3ua kaulana ʻia no kona ikaika tensile kiʻekiʻe, e ʻoi aku ana ma mua o nā ʻano paipu kila ʻē aʻe. Loaʻa iā ia ke kūpaʻa tensile a me ka compressive kiʻekiʻe, e hōʻoiaʻiʻo ana i ke kūpaʻa kūkulu maikaʻi loa. Lilo kēia ʻano i mea nui loa i ka wā e kau ʻia ai nā laina sewer i nā ukana nui e hōʻoia i ka hana hilinaʻi a lōʻihi. Hiki i nā poʻe loea ma ke kahua ʻenekinia ke hilinaʻi i kēia paipu kila e kū i nā kūlana ʻino loa.

    ʻO kekahi hiʻohiʻona ʻokoʻa o ka paipu kila A252 Grade 3 ʻo ia kona mālama ʻana i ka ʻili. No ka hōʻoia ʻana i ka maikaʻi kiʻekiʻe, mālama pono ʻia nā paipu e pale aku i ka oxidation a me ka corrosion. ʻO ke ʻano kēia, hiki i ka paipu ke hana i nā wahi corrosive nui e like me nā moana, nā ʻāina pulu a me nā mea kanu kemika me ka ʻole o ka hoʻopilikia ʻana i kāna hana. ʻO ka paʻa o ka ʻili o ka paipu e lilo ia i koho maikaʻi loa no nā papahana e koi ana i ke kūpaʻa ʻana i ka corrosion kiʻekiʻe.

    Anawaena Waho i kuhikuhi ʻia （D） Mānoanoa o ka paia i kuhikuhi ʻia ma mm Kaomi hoʻāʻo haʻahaʻa loa (Mpa)
    Papa kila
    in mm L210(A) L245(B) L290(X42) L320(X46) L360(X52) L390(X56) L415(X60) L450(X65) L485(X70) L555(X80)
    8-5/8 219.1 5.0 5.8 6.7 9.9 11.0 12.3 13.4 14.2 15.4 16.6 19.0
    7.0 8.1 9.4 13.9 15.3 17.3 18.7 19.9 20.7 20.7 20.7
    10.0 11.5 13.4 19.9 20.7 20.7 20.7 20.7 20.7 20.7 20.7
    9-5/8 244.5 5.0 5.2 6.0 10.1 11.1 12.5 13.6 14.4 15.6 16.9 19.3
    7.0 7.2 8.4 14.1 15.6 17.5 19.0 20.2 20.7 20.7 20.7
    10.0 10.3 12.0 20.2 20.7 20.7 20.7 20.7 20.7 20.7 20.7
    10-3/4 273.1 5.0 4.6 5.4 9.0 10.1 11.2 12.1 12.9 14.0 15.1 17.3
    7.0 6.5 7.5 12.6 13.9 15.7 17.0 18.1 19.6 20.7 20.7
    10.0 9.2 10.8 18.1 19.9 20.7 20.7 20.7 20.7 20.7 20.7
    12-3/4 323.9 5.0 3.9 4.5 7.6 8.4 9.4 10.2 10.9 11.8 12.7 14.6
    7.0 5.5 6.5 10.7 11.8 13.2 14.3 15.2 16.5 17.8 20.4
    10.0 7.8 9.1 15.2 16.8 18.9 20.5 20.7 20.7 20.7 20.7
      (325.0) 5.0 3.9 4.5 7.6 8.4 9.4 10.2 10.9 11.8 12.7 14.5
    7.0 5.4 6.3 10.6 11.7 13.2 14.3 15.2 16.5 17.8 20.3
    10.0 7.8 9.0 15.2 16.7 18.8 20.4 20.7 20.7 20.7 20.7
    13-3/8 339.7 5.0 3.7 4.3 7.3 8.0 9.0 9.8 10.4 11.3 12.1 13.9
    8.0 5.9 6.9 11.6 12.8 14.4 15.6 16.6 18.0 19.4 20.7
    12.0 8.9 10.4 17.4 19.2 20.7 20.7 20.7 20.7 20.7 20.7
    14 355.6 6.0 4.3 5.0 8.3 9.2 10.3 11.2 11.9 12.9 13.9 15.9
    8.0 5.7 6.6 11.1 12.2 13.8 14.9 15.9 17.2 18.6 20.7
    12.0 8.5 9.9 16.6 18.4 20.7 20.7 20.7 20.7 20.7 20.7
      (377.0) 6.0 4.0 4.7 7.8 8.6 9.7 10.6 11.2 12.2 13.1 15.0
    8.0 5.3 6.2 10.5 11.5 13.0 14.1 15.0 16.2 17.5 20.0
    12.0 8.0 9.4 15.7 17.3 19.5 20.7 20.7 20.7 20.7 20.7
    16 406.4 6.0 3.7 4.3 7.3 8.0 9.0 9.8 10.4 11.3 12.2 13.9
    8.0 5.0 5.8 9.7 10.7 12.0 13.1 13.9 15.1 16.2 18.6
    12.0 7.4 8.7 14.6 16.1 18.1 19.6 20.7 20.7 20.7 20.7
      (426.0) 6.0 3.5 4.1 6.9 7.7 8.6 9.3 9.9 10.8 11.6 13.3
    8.0 4.7 5.5 9.3 10.2 11.5 12.5 13.2 14.4 15.5 17.7
    12.0 7.1 8.3 13.9 15.3 17.2 18.7 19.9 20.7 20.7 20.7
    18 457.0 6.0 3.3 3.9 6.5 7.1 8.0 8.7 9.3 10.0 10.8 12.4
    8.0 4.4 5.1 8.6 9.5 10.7 11.6 12.4 13.4 14.4 16.5
    12.0 6.6 7.7 12.9 14.3 16.1 17.4 18.5 20.1 20.7 20.7
    20 508.0 6.0 3.0 3.5 6.2 6.8 7.7 8.3 8.8 9.6 10.3 11.8
    8.0 4.0 4.6 8.2 9.1 10.2 11.1 11.8 12.8 13.7 15.7
    12.0 6.0 6.9 12.3 13.6 15.3 16.6 17.6 19.1 20.6 20.7
    16.0 7.9 9.3 16.4 18.1 20.4 20.7 20.7 20.7 20.7 20.7
      (529.0) 6.0 2.9 3.3 5.9 6.5 7.3 8.0 8.5 9.2 9.9 11.3
    9.0 4.3 5.0 8.9 9.8 11.0 11.9 12.7 13.8 14.9 17.0
    12.0 5.7 6.7 11.8 13.1 14.7 15.9 16.9 18.4 19.8 20.7
    14.0 6.7 7.8 13.8 15.2 17.1 18.6 19.8 20.7 20.7 20.7
    16.0 7.6 8.9 15.8 17.4 19.6 20.7 20.7 20.7 20.7 20.7
    22 559.0 6.0 2.7 3.2 5.6 6.2 7.0 7.5 8.0 8.7 9.4 10.7
    9.0 4.1 4.7 8.4 9.3 10.4 11.3 12.0 13.0 14.1 16.1
    12.0 5.4 6.3 11.2 12.4 13.9 15.1 16.0 17.4 18.7 20.7
    14.0 6.3 7.4 13.1 14.4 16.2 17.6 18.7 20.3 20.7 20.7
    19.1 8.6 10.0 17.8 19.7 20.7 20.7 20.7 20.7 20.7 20.7
    22.2 10.0 11.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7
    24 610.0 6.0 2.5 2.9 5.1 5.7 6.4 6.9 7.3 8.0 8.6 9.8
    9.0 3.7 4.3 7.7 8.5 9.6 10.4 11.0 12.0 12.9 14.7
    12.0 5.0 5.8 10.3 11.3 12.7 13.8 14.7 15.9 17.2 19.7
    14.0 5.8 6.8 12.0 13.2 14.9 16.1 17.1 18.6 20.0 20.7
    19.1 7.9 9.1 16.3 17.9 20.2 20.7 20.7 20.7 20.7 20.7
    25.4 10.5 12.0 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7
      （630.0） 6.0 2.4 2.8 5.0 5.5 6.2 6.7 7.1 7.7 8.3 9.5
    9.0 3.6 4.2 7.5 8.2 9.3 10.0 10.7 11.6 12.5 14.3
    12.0 4.8 5.6 9.9 11.0 12.3 13.4 14.2 15.4 16.6 19.0
    16.0 6.4 7.5 13.3 14.6 16.5 17.8 19.0 20.6 20.7 20.7
    19.1 7.6 8.9 15.8 17.5 19.6 20.7 20.7 20.7 20.7 20.7
    25.4 10.2 11.9 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7

    Ua hōʻoia ʻia ka maʻalahi o ka paipu kila A252 Grade 3 ma o kāna ākea o nā noi. Ma waho aʻe o kona hopena i ke kūkulu ʻana i nā ʻauwai, hiki ke hoʻohana ʻia i nā ʻoihana like ʻole e like me ka ʻaila a me ke kinoea, ka mālama wai a me nā papahana ʻoihana. ʻO kēia maʻalahi e lilo ia i koho mua no nā ʻenekinia a me nā mea hana ʻaelike e ʻimi nei i nā hopena paipu kila hilinaʻi a maikaʻi hoʻi no kā lākou mau papahana.

    Paipu SSAW X42

    I ka wā e hiki mai anaʻauwailainai ke kūkulu ʻana, kū i waho nā paipu kila A252 Papa 3. ʻO kona ikaika kiʻekiʻe a me ke kūpaʻa i ka pala e hoʻokaʻawale iā ia mai nā paipu kila ʻē aʻe ma ka mākeke. Ma ke koho ʻana i kēia ʻano paipu, hiki i nā ʻenekinia ke hilinaʻi e kūpaʻa kā lākou papahana i ka hoʻāʻo o ka manawa, e hōʻoiaʻiʻo ana i ka lōʻihi a me ka hoʻomau ʻana o kāna hoʻolālā.

    I ka hōʻuluʻulu manaʻo, he mea hoʻololi nui ka paipu kila A252 GRADE 3 i ke kūkulu ʻana i nā paipu wai me kona kūkulu ʻana i hoʻopaʻa ʻia i loko o ka wai me ke arc pālua. ʻO kona ikaika tensile kūikawā a me ke kūpaʻa ʻana i ka palaho e lilo ia i koho kūpono no nā ʻenekinia e ʻimi nei i nā hopena paipu kila hilinaʻi a maʻalahi hoʻi. Inā paha he kūpaʻa kūkulu a i ʻole ka pono e kū i nā wahi ʻino loa, ʻoi aku kēia paipu kila ma mua o nā mea i manaʻo ʻia. E apo i ka paipu kila A252 GRADE 3 a ʻike i ke ʻano maikaʻi ʻole e lawe mai ai i kāu hana ʻenekinia.

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