I roto i te hanganga me te miihini ā-iwi, he mea nui te whiriwhiri rauemi hei whakarite i te pumau me te roa o te hanganga. Ko tētahi rauemi e tino whakautehia ana i roto i te umanga ko te paipa ASTM A252. Kei roto i ngā whakatakotoranga ngā puranga paipa maitai porotaka, pakitara ingoa, he mea nui ki ngā momo tono, inā koa ki te miihini turanga. I roto i tēnei tuhinga, ka ruku hohonu mātou ki ngā whakatakotoranga matua me ngā tono o ngā rahi paipa ASTM A252 me te whakaatu i ngā kaha o tētahi kaihanga matua kei Cangzhou, Porowini o Hebei.
Ngā whakaritenga matua o ngā paipa ASTM A252
He paerewa te ASTM A252 e whakamārama ana i ngā whakaritenga mō ngā puranga paipa rino kua whakarewaina, kua honoa hoki. Kua hangaia ēnei paipa hei whakamahi hei mema pikau kawenga tuturu, hei anga rānei mō ngā puranga raima kua whakarewaina. Ko ngā whakaritenga matua o te ASTM A252 ko:
1. Taumata Rauemi: Kei roto i ngā whakatakotoranga e toru ngā taumata maitai: Taumata 1, Taumata 2, me Taumata 3. He rerekē te kaha tuku o ia taumata, ko te Taumata 3 te mea e kaha tuku ana, ā, he pai mō ngā mahi taumaha.
2. Rahi: Kei te wātea ngā paipa ASTM A252 i roto i ngā matotoru pakitara rerekē, e āhei ai te hoahoa me te whakamahinga. Kei te wātea ēnei paipa i roto i ngā diameter mai i te 6 inihi ki te 60 inihi hei whakatutuki i ngā whakaritenga maha o te kaupapa.
3. Ngā kōwhiringa whakarewa me te kore hononga:Paipa ASTM A252ka taea te hanga i te paipa whakarewa, i te paipa tui rānei, kia taea ai te whiriwhiri i runga i ngā hiahia motuhake o tō kaupapa. Ko te paipa whakarewa he pai ake te utu, engari ko te paipa tui he pai ake te kaha me te pono.
4. Ātete ki te waikura: I runga i te whakamahinga, ka taea te pani, te rongoā rānei i ngā paipa ASTM A252 hei whakapakari i tō rātou ātete ki te waikura, kia roa ai te whakamahinga ahakoa i roto i ngā taiao kino.
Ngā tono paipa ASTM A252
Nā te maha o ngā whakamahinga o te paipa ASTM A252, he pai mō te whānuitanga o ngā mahi, tae atu ki:
- Ngā Puranga Tūāpapa: He maha ngā wā ka whakamahia ēnei paipa hei puranga tūāpapa i roto i ngā kaupapa hanga, hei tautoko i ngā whare, i ngā piriti me ētahi atu hanganga.
- Ngā Hanganga Moana: He tino pai ngā paipa ASTM A252 mō te whakamahi i roto i ngā taiao moana, ā, ka taea hoki te whakamahi hei hanga tauranga, pou, me ngā papaaho tai.
- Ngā Taiepa Pupuri: Nā te kaha me te roa o ēnei paipa he pai mō te whakamahi hei taiepa pupuri, hei āwhina i te whakau i te oneone me te ārai i te horo.
- Ngā Puranga Konukuraiti i Whakarewahia ki te Tūnga: Ina whakamahia hei anga mō ngā puranga konukuraiti i whakarewahia ki te tūnga,ASTM A252Ka whakaratohia e te paipa he anga pakari e whakarei ake ana i te hanganga o te raima.
Kaihanga Matua i Cangzhou
He kaihanga rongonui kei Cangzhou, Porowini o Hebei, kua roa e hanga ana i ngā paipa ASTM A252 kounga teitei mai i tōna whakatūnga i te tau 1993. E 350,000 mita pūrua te rahi o te kamupene, e 680 miriona RMB te tapeke o ngā rawa, ā, e 680 pea ngā kaimahi mohio e mahi ana. E whakapau kaha ana te kaihanga ki te whakarato hua e tutuki ana i ngā paerewa kounga tino pakari, kia pono ai, kia pakari ai hoki āna paipa ASTM A252 i roto i ngā momo mahi.
Me te arotahi ki te auahatanga me te makona o te kiritaki, kua noho te kamupene hei kaiārahi ahumahi, e whakarato ana i ngā otinga ritenga hei whakatutuki i ngā hiahia ahurei o āna kiritaki. Me ngā whare hou me ngā kaimahi mātau, ka taea e rātou te whakaputa paipa ki ngā whakaritenga teitei rawa atu, ka waiho hei hoa pono mō ngā kaupapa hanga me te miihini.
hei whakamutunga
Hei whakamutunga, he wāhanga nui ngā paipa ASTM A252 o te hanganga hou, e tuku ana i ngā whakatakotoranga matua e tutuki ai ngā hiahia o ngā momo tono. Nā te mea he kaihanga rongonui i Cangzhou e hanga ana i ēnei paipa, ka taea e te umanga te whakawhirinaki ki ngā rauemi kounga teitei hei whakarite i te haumaru me te pumau o te hanganga. Ahakoa e whakamahia ana mō te hangarau turanga, ngā hanganga moana, ngā pakitara pupuri rānei, he kōwhiringa nui ngā paipa ASTM A252 mō ngā miihini me ngā kaihanga.
Wā tuku: 11-Pepuere-2025