Paipa Rino SSAW mō te Raina Wai o raro whenua
Te whakarewatanga o te maitai whakarewa porowhita hurihuri hurihuripaipa mō ngā raina wai o raro whenua
Kua whakarewahia e Cangzhou Spiral Steel Pipe Group Co., Ltd. tana paipa maitai tuitui porowhita hou, he paipa maitai tuitui porowhita ka huri i te umanga paipa wai whenua. He mea nui tēnei paipa i roto i te mākete tuku wai me te wai para o te tāone nā tōna kounga teitei me tōna mahi pai.
Āhuatanga Mīhini
| kounga maitai | te kaha hua iti rawa | Te kaha o te kume | Te roanga iti rawa | Pūngao pānga iti rawa | ||||
| Te matotoru kua tohua | Te matotoru kua tohua | Te matotoru kua tohua | 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 | - | - | |||||
Ngā paipa maitai SSAWhe mea hanga ki ngā koiri rino rīpene hei rauemi mata, ka tukuna ki waho i te pāmahana pumau, ā, ka whakarewahia mā te tukanga whakarewa pewa rua-waea aunoa e rua-taha ana. Mā tēnei hangarau whakaputa auaha ka whakarite i te taumata teitei o te tika me te pakari, ka pai ai ā mātou paipa mō ngā tono raina wai whenua.
Ko te ngākau o tēneipaipa maitai porowhitaKo tōna hoahoa porowhita ahurei. Ka whāngaihia te maitai rīpene ki roto i te taputapu paipa kua whakarewahia, ā, ka pōkaihia mārire e ngā roera maha hei hanga i tētahi ngongo porowhita me te āputa whakatuwheratanga. Ka taea e ia te whakarite i te nui o te whakaiti o te roera whakaputa, ā, ka taea te whakahaere i te āputa whakarewa i waenga i te 1-3mm kia pai ai te hononga maeneene me te pakari. Hei tāpiri, he tino ōrite ngā pito e rua o te hononga whakarewa, e whakarato ana i te mutunga tino pai.
He maha ngā āhuatanga o ngā paipa maitai SSAW e wehewehe ana i a rātou mai i ngā paipa maitai tuku iho. He tino kaha, he ātete hoki tōna hanganga porowhita ki ngā kaha o waho, e whakarite ana i te haumaru me te pono o te pūnaha tuku wai. Hei tāpiri, mā te tukanga whakarewa kounga teitei ka ārai i te turuturu o ngā hononga, ā, ka ārai i te turuturu, i te poke rānei o te wai. Mā tōna hanganga pakari me ngā hononga haumaru, ka roa te mahi a tēnei paipa, ā, ka whakaitihia ngā hiahia tiaki, ka waiho hei otinga utu-pai mō ngā kaupapa raina wai whenua katoa.
Te Hanganga Matū
| Te taumata 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. | ||||||||
Kua hangaia tēnei hua tino pai hei whakatutuki i ngā hiahia kanorau o te umanga. Ahakoa te hanga i ngā pūnaha kawe wai me te paru ā-tāone, te kawe rānei i te hau māori me te hinu i ngā tawhiti roa, ko ngā paipa whakarewa porowhita i raro i te wai te mea tuatahi hei whiriwhiri. Ka horapa atu tōna whānuitanga ki ngā pūnaha puranga paipa, ka whakarato i te pumau me te kaha ki te kawe kawenga. Nā te kaha me te pono o ā mātou paipa, ka hipa ake i ngā tumanakohanga katoa mō te mahi me te roa o te ora.
I Cangzhou Spiral Steel Pipe Group Co., Ltd., he pumau tonu tā mātou whakapau kaha ki te hiranga. Me ngā tau maha o te wheako me te tohungatanga i roto i te umanga, e whakahīhī ana mātou ki te tuku hua kounga e tutuki ana i ngā paerewa teitei rawa atu. Mā ā mātou whare hanga hou me ngā tukanga whakahaere kounga tino pakari ka whakarite kia tino kounga teitei ia paipa maitai whakarewa porowhita e puta mai ana i te wheketere.
I roto i te poto, ka hurihia te umanga paipa wai raro whenua e te paipa rino whakarewa porowhita hurihuri. He pai te hanganga, he ātete-taumata ngā hononga, ā, he kaha rawa atu, ko tēnei paipa te whiringa tino pai mō ngā kaupapa tuku wai katoa. Whakapono mai ka taea e Cangzhou Spiral Steel Pipe Group Co., Ltd. te whakarato i te otinga pai rawa atu hei whakatutuki i ō hiahia. Wheakohia te heke mai o ngā pūnaha paipa wai whenua me ngā paipa rino SSAW.







