I roto i ngā kaupapa turanga pou me te hanganga turanga hōhonu, ko te whiriwhiri i te rahi o ngā pou paipa maitai ka pā tika ki te kaha o te tautoko hanganga me te haumaru hangarau. Mā ngā Rahi Paipa ASTM A252 (paerewa ASTM A252 mō ngā pou paipa maitai) ka whakaratohia he aratohu whakatakotoranga mārama ki ngā kaihangarau, kia mōhio ai kei runga te whiriwhiri i ngā taunakitanga pakari, ā, ka taea te whakahaere i te kounga. Mā tēnei tuhinga koe e āwhina ki te mārama ki te whānuitanga whakatakotoranga paerewa me te tūhura me pēhea te whakahaere i te kounga o te hua mai i te pūtake.
Ngā whakaritenga paerewa mōNgā puranga paipa maitai ASTM A252
E kapi ana te paerewa ASTM A252 i ngā puranga paipa maitai waro maitai e whakamahia ana i roto i ngā kaupapa turanga puranga, e rua ngā momo: ngā paipa maitai kore hononga me te hanganga whakarewa. Ko te whānuitanga o ngā whakatakotoranga paerewa ko:
Te whānui ingoa: mai i te 6 inihi (168.3mm) ki te 60 inihi (1524mm), e ea ai ngā hiahia o ngā turanga pou iti, waenga me ngā turanga pou nui.
Raupapa matotoru o te pakitara: He maha ngā whakaritenga e tukuna ana tae atu ki te matotoru pakitara paerewa (STD), te pakitara matotoru rawa (XS), me te pakitara matotoru rua (XXS)
Whakaritenga roa: Ko te roa paerewa kotahi mai i te 6 mita ki te 12 mita. Ka taea hoki te whakarato i ngā roa ritenga kia rite ki ngā whakaritenga hangarau.
Ko te hoahoa paerewa o ēneiNgā Rahi Paipa Astm A252Mā tēnei ka taea e ngā kaihangarau te whiriwhiri tika i te momo e tika ana i runga i ngā āhuatanga whenua me ngā whakaritenga kawenga, me te arotau hoki i ngā utu rauemi me te whakarite i te haumaru.
Te tukanga hanga hononga paipa me ngā whakaritenga rauemi
Ko te paerewa ASTM A252 e whakatakoto ana i ngā ture tino pakari mō ngā rauemi e whakamahia ana i roto i ngā hononga paipa. Ka taea te hanga i ngā hononga paipa mai i ngā wāhanga i hangaia, i ngā pae, i ngā pereti, i ngā hua ngongo honohono me te whakakotahitanga (ngā paipa i hangaia), engari me hanga ngā rauemi ki te maitai kua whakamatea kia mau ai te hanganga. Ka taea te whiriwhiri i te tukanga hanga mai i te hanga hama, te tā, te whakaputa, te kukume makariri, te hurihuri, te piko, te whakarewa, te miihini, me ētahi atu tikanga, me te whakakotahi rānei i ēnei.
E tino whakanui ana te paerewa kia kaua te tukanga hanga e puta he hapa kino ki te hua. Mō ngā hononga paipa i hangaia i ngā pāmahana teitei, me tino whakahaere te tere whakamatao - me whakamatao kia iti iho i te pāmahana tino nui i raro i ngā tikanga e tika ana, ā, kaua te tere whakamatao e tere ake i te tere whakamatao tūturu i roto i te hau marino hei ārai i te kino o te kiko i puta mai i te whakamatao tere.
Tirotiro Pūmau: Te Whakapūmau Kounga mai i te Wheketere ki te Pae Hanga
Ko te ponoNgā Wheketere ASTM A252me whai pūnaha tirotiro katoa. E ai ki ngā paerewa me whai i ia puranga o ngā wāhanga paipa:
Whakamātautau kume: Hei manatoko i te kaha tuku, te kaha kume me te roa o te rauemi
Whakamātautau mārō: Me whakarite kei roto te mārō o te rauemi i te awhe e whakaaetia ana hei karo i te pakarukaru nā te mārō rawa.
Whakamātautau waipū: Whakamahia te pēhanga kua tohua ki ngā hononga paipa hei manatoko i tō rātou kaha ki te pupuri i te pēhanga me te piri o ngā whakarewa.
Ko te whiriwhiri i ngā wheketere Astm A252 mātau ehara i te mea ko te whiwhi hua e tutuki ana i ngā paerewa rahi anake, engari ko te whiwhi hoki i te whakapumautanga kounga kua oti te whakamātautau i ngā whakamātautau maha. Ka taea e ngā wheketere noa te whakarato i ngā pūrongo whakamātautau katoa me ngā tuhinga whai kounga, e whakarato ana i te turanga pakari mō te haumaru me te pono o ngā kaupapa turanga pou.
Wā tuku: Maehe-13-2026