I te ao o te hanga paipa maitai, he mea nui te mārama ki ngā whakaritenga me ngā paerewa o te umanga hei whakarite i te kounga me te mahi. Ko tētahi o aua paerewa ko te ASTM A139, e whakamārama ana i ngā whakaritenga mō te paipa maitai whakarewa hiko (arc) mō te ratonga pēhanga teitei. Ka ruku hohonu tēnei tuhinga ki ngā whakaritenga matua o te ASTM A139, ā, ka tūhuratia tōna tono, inā koa i roto i te horopaki o te paipa maitai porowhita S235 J0 i hangaia e tētahi kaihanga matua i Cangzhou, Hebei Province.
Ngā whakaritenga matua o ASTM A139
ASTM A139E kapi ana i ētahi āhuatanga nui o te hanga paipa maitai, tae atu ki te hanganga rauemi, ngā āhuatanga miihini, me ngā tikanga whakamātautau. E arotahi ana te paerewa ki ngā whakatakotoranga e whai ake nei:
1. Te Hanganga o ngā Rauemi: E whakamārama ana te ASTM A139 i te hanganga matū o te maitai e whakamahia ana hei hanga paipa. Kei roto i tēnei ko ngā herenga e whakaaetia ana mō ngā huānga pēnei i te waro, te konupūmā, te whākōkī, me te whanariki hei whakarite kia mau te kaha me te roa o ngā paipa.
2. Ngā Āhuatanga Ā-ringa: E whakamārama ana tēnei paerewa i ngā āhuatanga ā-ringa e hiahiatia ana, tae atu ki te kaha tuku, te kaha kume, me te roa. He mea nui ēnei āhuatanga kia taea ai e te paipa te tu atu i ngā tono pēhanga teitei me te kore e pakaru.
3. Ngā whakaritenga whakarewa: Nā te mea e pā ana te ASTM A139 ki ngā paipa whakarewa, kei roto i tēnei tuhinga ngā whakaritenga mō te tukanga whakarewa, tae atu ki te momo whakarewa, te kounga whakarewa, me ngā tikanga tirotiro hei whakarite kia tutuki ngā whakarewa i ngā paerewa e hiahiatia ana.
4. Ngā Tikanga Whakamātautau: E whakamārama ana hoki te paerewa i ngā tikanga whakamātautau me whakamahi hei manatoko i te kounga me te mahi a te paipa. Kei roto i tēnei ko ngā tikanga whakamātautau kore-whakangaro hei kimi i ngā hapa o ngā whakarewa, o ngā rauemi paipa rānei.
Te tono o te Paipa Rino ASTM A139
He whānui, he rerekē hoki ngā whakamahinga o ngā paipa maitai ASTM A139, inā koa i roto i ngā ahumahi e hiahia ana ki ngā pūnaha paipa pēhanga teitei. E whakamahia whānuitia ana ēnei paipa mō:
- Ahumahi Hinu me te Hau: He pai rawa ngā paipa ASTM A139 mō te kawe i te hinu me te hau nā te mea ka taea e rātou te tu atu ki ngā pēhanga teitei me ngā āhuatanga taiao kino.
- Ngā Pūnaha Tuku Wai: Nā te pakari me te kaha o ēnei paipa he pai mō te whakamahi i roto i ngā pūnaha tuku wai me te tohatoha, kia tika ai te rere o te wai.
- Te Tukatuka Matū: I roto i ngā wheketere matū, ka pāngia ngā paipa e ngā matū waikura, ā, ka whakaratohia e ngā paipa ASTM A139 te ātete me te pono e tika ana.
Ngā Painga o S235 J0paipa maitai porowhita
Ko tētahi o ngā hua tino pai i hangaia e tā mātou kamupene i Cangzhou ko te paipa maitai porowhita S235 J0. He mea tino rongonui tēnei hua mō tōna ngāwari ki te whānui me te matotoru o te pakitara. Nā te ngāwari o te hanga ka taea te whakaputa paipa matotoru kounga teitei e tutuki ai ngā hiahia kanorau o ngā ahumahi rerekē.
I whakatūria i te tau 1993, whai muri i ngā tau o te whanaketanga tere, e 350,000 mita pūrua te rahi o te kamupene, e 680 miriona RMB te tapeke o ngā rawa, ā, e 680 āna kaimahi pono, e whakapau kaha ana ki te whakaputa paipa maitai kounga teitei e tutuki ana i ngā paerewa o te ao pēnei i te ASTM A139.
hei whakamutunga
He mea nui te mārama ki te ASTM A139 me ōna whakaritenga mō te hunga katoa e uru ana ki te hanga paipa maitai. Ehara i te mea ka whakarite noa tēnei paerewa i te kounga me te mahi a te paipa, engari ka whakatuwhera hoki i te whānuitanga o ngā tono puta noa i ngā momo ahumahi. Me ngā hua pēnei i te paipa maitai porowhita S235 J0, kei te ārahi tonu tā mātou kamupene i te huarahi ki te whakarato i ngā otinga kounga teitei, ngāwari ki ngā kiritaki. Ahakoa kei roto koe i te umanga hinu me te hau, te tuku wai, te tukatuka matū rānei, ka tutuki i ā mātou paipa maitai ō hiahia, ā, ka hipa atu i ō tumanakohanga.
Wā tuku: Hanuere-15-2025