1. Tirohanga Whānui mō te Hua
Ko te koko rino i hangaia kia rite kiASTM A27 Tau 70-36He whakarewa maitai waro taumaha te hiri, i hangaia mō te whakahaere, te kawe, me te pupuri rangitahi i te para rewa, i ngā rauemi wera rānei i roto i ngā mahi whakarewa me ngā mahi ahumahi.
Kua tīpakohia tēnei taumata kia pai ai te taurite i waenga ite kaha, te ngāwari, me te ātete ki te ahotea wera me te ahotea ā-mīhini, he mea tino pai mō ngā koko e hikitia ana kia maha ngā mahi, te huringa wera, me te kawenga pānga.
2. Paerewa e tika ana
ASTM A27 / A27M– Ngā Whakarewa Rino, Waro, mō te Whakamahinga Whānui
Tau Rauemi:ASTM A27 Tau 70-36
Me whakaputa, me whakamātautau, me tirotirohia hoki ngā whakarewa katoa kia rite ki ngā whakaritenga o te ASTM A27, ki te kore e tohua tētahi atu mea e te kaihoko.
3. Ngā Āhuatanga Rauemi – ASTM A27 Tau 70-36
Ko te ASTM A27 Grade 70-36 he momo whakarewa maitai waro kaha-waenga, e tohuhia ana e te kirihou pai me te pono o te hanganga.
3.1 Ngā Āhuatanga Ā-ringa (Iti Rawa)
| Taonga | Whakaritenga |
| Kaha Kume | ≥ 70,000 psi (≈ 485 MPa) |
| Te Kaha o te Hua | ≥ 36,000 psi (≈ 250 MPa) |
| Te toronga (i roto i te 2 inihi / 50 mm) | ≥ 22% |
| Te Whakaiti i te Rohe | ≥ 30% |
Mā ēnei āhuatanga ā-ringa ka taea te pikau i te kawenga me te pupuri tonu i te ātete pai ki te ngatata me te pakarukaru.
3.2 Te Hanganga Matū (Ngā Herenga Noa)
| Huānga | Ihirangi Mōrahi |
| Waro (C) | ≤ 0.35% |
| Manganēhi (Mn) | ≤ 0.70% |
| Whēkau (P) | ≤ 0.05% |
| Whānariki (S) | ≤ 0.06% |
Ko te nui o te waro me te konupora e whakahaeretia ana ka whai wāhi ki te kounga whakarewa pumau me te mahi miihini pono, me te kore e hiahiatia he huānga whakarewa.
4. Te Hoahoa me ngā Āhuatanga Hanganga o te Koro
Tinana maka kotahi-wahi, tinana maka rānei me ngā matau hiki / ngā taura hiki kua makahia ngātahi
l Āhuahanga ā-roto maeneene hei whakaiti i te kukū ahotea
He matotoru rawaka te pakitara i hangaia hei tu atu i ngā pikinga wera me ngā kawenga whakahaere miihini
Ngā pūwāhi hiki i hangaia i runga i ngā āhuatanga hiki kawenga-katoa, tae atu ki ngā āhuatanga haumaru
Ka whakanuia e te hoahoa o te kokote pumau o te hanganga me te roa o te ratonga, inā koa i raro i te pānga o te pāmahana tiketike me te whakahaere auau o te kerēni.
5. Tukanga Hanga
5.1 Tikanga Maka
Te whakarewa onepu mā te whakamahi i ngā rauemi whakarewa whakahaere e tika ana mō ngā whakarewa maitai wāhanga-rahi
E taunakihia ana te whakarewatanga wera kotahi hei whakarite i te ōritetanga matū
5.2 Te Rewa me te Ringihia
1. Ouma pewa hiko (EAF) oumu whakapūmau rānei
Mana whakahaere tino tika o te hanganga matū i mua i te ringihanga
l Te pāmahana ringihanga whakahaere hei whakaiti i ngā hapa o roto
5.3 Te Maimoatanga Wera
Te whakataurite i te maimoatanga werae whakamahia ana i te nuinga o te wā
Kaupapa:
Whakamahinga i te hanganga o te witi
Whakapai ake i te pakari me ngā āhuatanga miihini ōrite
Whakamamae i ngā ahotea whakarewa ā-roto
Me tuhi ngā tawhā maimoatanga wera, ā, me taea te whai.
6. Te Mana Whakahaere me te Tirotiro Kounga
6.1 Tātari Matū
I whakahaerehia te tātaritanga wera mō ia rewa
Ngā hua kua tuhia ki te Tiwhikete Whakamātautau Mira (MTC)
6.2 Whakamātautau Mīhini
Ngā tīkitipati whakamātautau i makahia mai i te wera kotahi, ā, i tukinotia ki te wera me te koko:
Whakamātautau kume
Manatoko kaha hua
Te whakaroa me te whakaiti i te horahanga
6.3 Whakamātautau Kore-Whakangaro (inā tika)
I runga anō i ngā whakaritenga o te kaupapa:
Tirotiro ā-kanohi (100%)
l Whakamātautau Matūriki Aukume (MT) mō ngā kapiti mata
Whakamātautau Ultrasonic (UT) mō te pakari o roto
6.4 Tirotiro Ahu
Manatoko ki ngā tuhi kua whakaaetia
l Te aro nui ki te āhua o te matau hiki me ngā wāhanga kawenga nui
7. Ngā tuhinga me te tiwhikete
Ko ngā tuhinga e whai ake nei ka whakaratohia i te nuinga o te wā:
Tiwhikete Whakamātautau Mira (EN 10204 3.1, rite rānei)
Pūrongo hanganga matū
Ngā hua whakamātautau mīhini
l Te rekoata maimoatanga wera
Ngā pūrongo NDT (mēnā e hiahiatia ana)
Pūrongo tirotiro ā-ahu
Ka taea te whai i ngā tuhinga katoa ki te puranga wera me te whakarewa e tika ana.
8. Whānuitanga o te tono
Ko ngā koko rino i hangaia ki te ASTM A27 Grade 70-36 e whakamahia whānuitia ana i roto i:
Ngā wheketere rino me ngā whare hanga whakarewa
Ngā pūnaha whakahaere para
Ngā awheawhe whakarewa
Ngā mahi whakawhiti rauemi ahumahi taumaha
He tino pai tēnei taumata mō ngā tono kei reirate ngāwari me te haumaru i raro i te kawenga hihirihe mea nui.
9. Ngā Painga o te Whakamahi i te ASTM A27 Grade 70-36 mō ngā Koro
He pai te taurite i waenga i te kaha me te ngāwari
He iti ake te mōrearea o te pakarukaru i raro i te ru wera
He iti te utu, he iti ake te ngāwari, he iti ake te kaha.
Kua whakamātauhia te pono mō ngā tono whakarewa taumaha
l He whānui te whakaae a ngā kaitirotiro me ngā kamupene miihini
Ngā Mōhiohio mō te Tākai me te Kawe
NCM (Waehere Taripa) kua tūtohutia:8454100000
Momo Tākai i Whakamahia:
He whariki rakau, he pouaka rānei i hangaia kia rite ki te hiahia mō te kawe waka i te moana.
He hinu ārai-waikura, he kiriata ārai-waikura kohu rānei kua pania ki ngā mata.
Whakamaua ngā here ki ngā here rino me te ārai rakau kia kore ai e nekeneke i te wā e kawe ana.
Momo tikanga tuku:Ipu,kaipuke nui:
Ipu Whatanga Papatahi– He mea pai ake mō te ngāwari o te uta/tango i te kerēni.
Ipu Whakatuwhera o Runga– Ka whakamahia ina he āwangawanga te tawhiti poutū.
Waka Nui- Kāore e taea te uta ki roto i ngā ipu mō te rahi nui
Me whiwhi raihana mō te kawe waka ā-rohe?
Āe, nā te rahi rawa o ngā kohua, heraihana kawe motuhakee hiahiatia ana mō te tuku i runga i te rori, i te rēriwe rānei. Ka taea te whakarato tuhinga me ngā tuhi hangarau hei āwhina i ngā tono whakaaetanga.
Mēnā he utanga motuhake he nui rawa, he aha te momo taputapu hei whakamahi mō te whakahaere?
Ngā Kāreni Ngokime te kaha e tika ana mō ngā rahi iti me te taumaha.
Ngā kereini takutaimō ngā kohua para taumaha rawa atu me te taumaha neke atu i te 28 tana
Kua hangaia, kua whakamatautauria hoki ngā pūwāhi hiki katoa kia haumaru, kia tutuki ai hoki ngā whakaritenga mō te whakahaere.
10. Whakamutunga
He rauemi pakari hangarau, he rauemi whai hua hoki te ASTM A27 Grade 70-36 mō ngā koko rino e whakamahia ana i roto i ngā taiao ahumahi uaua. Ko ōna āhuatanga hangarau, me te matū whakahaere me te maimoatanga wera tika, ka whakarato i te pono me te haumaru mahi mō te wā roa.
E whakahīhī ana mātou ki tō mātoungā ratonga whakaritenga, ngā huringa whakaputa tere, mewhatunga tuku ā-ao, kia tutuki ai ō hiahia motuhake me te tino tika me te hiranga.
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Wā tuku: Hanuere-22-2026