Mō 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 o aua rauemi kua rongonui i roto i te umanga koASTM A252 Tau 2Ngā Puranga Paipa. Ka rukuhia e tēnei tuhinga ngā whakatakotoranga, ngā āhuatanga, me ngā whakaritenga tohu o te ASTM A252 Tau 2 kia mārama ai ki tōna hiranga i roto i ngā kaupapa hanga.
He aha te ASTM A252 Tau 2?
Ko te ASTM A252 te paerewa mō ngā pou ngongo maitai kua whakarewaina, kua honoa hoki, mō ngā tono turanga. Ko te taumata 2 tētahi o ngā taumata e toru kua tohua i roto i tēnei paerewa, ko te taumata 1 te iti rawa, ko te taumata 3 te teitei rawa atu mō te kaha tuku. Kua hangaia ngā pou ngongo ASTM A252 Tau 2 hei whakarato i te taurite o te kaha me te ngāwari, kia pai ai mō ngā momo tono, tae atu ki ngā turanga hohonu, ngā hanganga moana, me ētahi atu āhuatanga kawenga.
Ko ngā āhuatanga matua o te ASTM A252 Grade 2 ko te kaha whakaputa iti rawa o te 35,000 psi me te kaha kume iti rawa o te 60,000 psi. Mā ēnei āhuatanga ka taea e ngā pou te tu atu i ngā kawenga me ngā ahotea nui, ā, he mea pai mō te whakamahi i roto i ngā taiao wero.
Ngā Whakaritenga Tohu Puranga Paipa ASTM A252 Tau 2
Ko tētahi āhuatanga nui o ngā puranga ASTM A252 Grade 2 ko te hiahia kia tika te tohu. Me mārama te tohu i ia puranga hei whakarato i ngā mōhiohio nui mō te hua. He mea nui tēnei tohu mō te whai i ngā mea e tika ana, te whakapūmau i te kounga, me te tutuki i ngā paerewa ahumahi. Me whakauru ēnei taipitopito ki roto i te tohu:
1. Ingoa, waitohu rānei o te kaihanga: Mā tēnei ka tautuhia te kaihanga o te puranga, kia taea ai e te kaiwhakamahi te whai i te hua mai i tōna pūtake.
2. Tau Wera: Ko te tau wera he tohu ahurei kua tohaina ki tētahi puranga maitai motuhake. Mā tēnei ka taea te whai i te takenga mai me ngā āhuatanga o te rauemi, he mea nui tēnei mō te whakahaere kounga.
3. Tukanga Kaihanga: E tohu ana tēnei i te tikanga i whakamahia hei whakaputa i te puranga, ahakoa he mea whakarewa, he mea hono rānei. Mā te mārama ki te tukanga hanga ka āwhina i te aromatawai i ngā āhuatanga mahi o te puranga.
4. Momo Hononga Porowhita: Ko te momo hononga porowhita e whakamahia ana i roto i tepuranga paipame māka, mēnā e tika ana. He mea nui ēnei mōhiohio hei mārama ki te hanganga o te puranga.
5. Diameter o Waho: Me mārama te tohu i te diameter o waho o te puranga, he mea nui hoki mō te tāutanga me te tatau i te kawenga.
6. Te matotoru o te pakitara ingoa: Ko te matotoru o te pakitara o te puranga tētahi atu inenga nui e pā ana ki tōna kaha me tōna kaha ki te pikau.
7. Te roa me te taumaha mō ia roa: Me whakaatu te roa me te taumaha katoa mō ia roa o te puranga. He mea nui ēnei mōhiohio mō ngā mahi whakahaere me te whakamahere tāutanga.
8. Ingoa Whakatakotoranga me te Taumata: Hei whakamutunga, me whakauru te ingoa whakatakotoranga (ASTM A252) me te taumata (Taumata 2) ki te tohu hei whakarite kia tutukihia ngā paerewa ahumahi.
Hei whakamutunga
He wāhanga nui ngā puranga paipa ASTM A252 Grade 2 o te hanganga hou, e whakarato ana i te kaha me te roa e tika ana mō ngā momo mahi. He mea nui te mārama ki ngā whakaritenga whakatakotoranga me te tohu mō ngā miihini, ngā kaimahi kirimana, me ngā kaiwhakahaere kaupapa kia mōhio ai kei te whakamahi rātou i ngā rauemi tika mō ā rātou kaupapa. Mā te piri ki ēnei paerewa, ka taea e te umanga hanga te pupuri i ngā mahi kounga teitei me te whakarite i te haumaru me te roa o te ora o ngā hanganga i hangaia ki runga i ēnei turanga.
Wā tuku: Hakihea-10-2024