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    Ngā Paipa Rino Waro Whakarewahia Porowhita mō ngā Paipa Hau Māori o raro whenua – EN10219

    Ngā Paipa Rino Waro Whakarewahia Porowhita mō ngā Paipa Hau Māori o raro whenua – EN10219 Whakaahua Matua
    • Ngā Paipa Rino Waro Whakarewahia Porowhita mō ngā Paipa Hau Māori o raro whenua – EN10219

    Whakaahuatanga Poto:

    Te whakauru atu i te paipa maitai waro porowhita kua whakapirihia mō ngā tono paipa hau maori o raro whenua. E tutuki ana tēnei paipa kounga teitei i ngā paerewa EN10219, ā, he maha ngā painga e tukuna ana mō ngā momo whakamahinga ahumahi me te arumoni.


    Taipitopito Hua

    Ngā Tohu Hua

    Ko tētahi o ngā painga matua opaipa maitai waro porowhita kua whakapirihiako te kaha ki te whakaputa paipa o ngā diameter rerekē mā te whakamahi i ngā rīpene o te whānui kotahi. He tino whai hua tēnei mō ngā tono e hiahia ana ki ngā rīpene maitai whaiti hei whakaputa paipa maitai diameter nui. Mā tēnei tukanga hanga auaha ka whakarite kia pakari, kia pakari hoki ngā paipa e hangaia ana, engari kia rite tonu te kounga.

    Ko ngā paipa maitai waro whakarewa porowhita he mea hanga motuhake mō te tāutanga o ngā paipa hau maori i raro i te whenua, ā, e tutuki ana i ngā whakaritenga tino pakari oEN10219. E whakamārama ana tēnei paerewa i ngā whakaritenga tuku hangarau mō ngā wāhanga hanganga tuwhera kua whakarewahia matao o ngā maitai kore-koranu me ngā maitai angiangi. Nō reira, he tino pai te paipa mō te whakamahi i roto i ngā paipa hau maori o raro whenua, ina he mea nui te ātete ki te waikura me te hanganga pai.

    Āhuatanga Mīhini

    kounga maitai te kaha hua iti rawa
    Mpa    		 Te kaha o te kume Te roanga iti rawa
    %    		 Pūngao pānga iti rawa
    J
    Te matotoru kua tohua
    mm    		 Te matotoru kua tohua
    mm    		 Te matotoru kua tohua
    mm    		 i te pāmahana whakamātautau o
      <16 ＞16≤40 <3 ≥3≤40 ≤40 -20℃ 0℃ 20℃
    S235JRH 235 225 360-510 360-510 24 - - 27
    S275J0H 275 265 430-580 410-560 20 - 27 -
    S275J2H 27 - -
    S355J0H 365 345 510-680 470-630 20 - 27 -
    S355J2H 27 - -
    S355K2H 40 - -

    Te Hanganga Matū

    Te kounga maitai Momo tango-waikura a % mā te papatipu, mōrahi
    Ingoa maitai Tau maitai C C Si Mn P S Nb
    S235JRH 1.0039 FF 0,17 — 1.40 0,040 0,040 0.009
    S275J0H 1.0149 FF 0,20 — 1.50 0,035 0,035 0,009
    S275J2H 1.0138 FF 0,20 — 1.50 0,030 0,030 —
    S355J0H 1.0547 FF 0,22 0,55 1,60 0,035 0,035 0,009
    S355J2H 1.0576 FF 0,22 0,55 1,60 0,030 0,030 —
    S355K2H 1.0512 FF 0,22 0,55 1,60 0,030 0,030 —
    a. Ko te tikanga tango-waikura e whai ake nei:

    FF: He maitai kua whakamatea katoatia kei roto ngā huānga here hauota i roto i ngā rahinga e ranea ana hei here i te hauota e wātea ana (hei tauira, iti rawa 0,020% Al katoa, 0,015% Al wairewa rānei).

    b. Kāore e pā te uara mōrahi mō te hauota mēnā he iti rawa te ihirangi Al katoa o te hanganga matū o te 0,020 % me te ōwehenga Al/N iti rawa o te 2:1, mēnā rānei he nui ngā huānga here-N kē atu kei roto. Me tuhi ngā huānga here-N ki roto i te Tuhinga Tirotiro.

    Haunga tōna āheinga ki te hanga paipa rino whānui, he maha atu anō ngā painga o ngā paipa rino waro kua whakapirihia ki te porowhita. Mā tōna hangarau whakapiri porowhita ka māeneene te mata o roto o te paipa, ka whakaitihia te hekenga pēhanga me te whakapai ake i ngā āhuatanga rere. He mea nui rawa atu tēnei i roto i ngā tono paipa hau māori, ina he mea nui te rere pai me te kore e aukatia mō te mahi tino pai.

    Hei tāpiritanga, he tino ātete te paipa maitai waro kua whakapirihia ki te waikura, ā, he mea tino pai mō ngā whakaurunga o raro whenua i te wā e pāngia ai te paipa e te makuku me ngā huānga oneone. Nā tōna hanganga pakari me ngā rauemi pakari, he mea tino pai mō te whakamahinga roa i roto i ngā āhuatanga taiao uaua.

    Mā te whakamahinga o te maitai waro kounga teitei ka tino pai ngā āhuatanga ā-pūkaha o ngā paipa, tae atu ki te kaha kume me te ātete pānga. Nā tēnei ka waiho hei whiringa pono mōpaipa hau maori o raro whenuangā whakaurunga, i te mea ka pāngia pea ngā paipa e ngā kawenga o waho, me ngā kino pea.

    Hei whakarāpopototanga, ko ngā paipa maitai waro kua whakapirihia porowhita te mea pai rawa atu mō ngā tono paipa hau maori i raro i te whenua. Mā tana tukanga hanga auaha ka taea te whakaputa i ngā paipa maitai whānui nui mai i ngā rīpene maitai whaiti, kia mau tonu ai te kounga me te pakari. Ka tutuki te paipa i ngā whakaritenga o te paerewa EN10219, ā, he tino ātete ki te waikura, he maeneene te mata o roto, ā, he kaha ngā āhuatanga miihini, he mea pai mō te whakamahinga roa me te pono i roto i ngā whakaurunga paipa hau maori i raro i te whenua.

     

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