I roto i ngā ahumahi mahi-teitei pērā i te rererangi, te tukatuka matū, me te whakaputa hiko,15-7PH maitai kore waikurae mōhiotia whānuitia ana mō ānahe tino kaha, he pakari, he ātete ki te waikura. Engari ko te āhuatanga e tino wehewehe ana ko tōnate āheinga ki te rongoā weraMā te tukatuka wera whakahaeretia, ka taea e tēnei koranu te whakatutuki i te whānuitanga o ngā āhuatanga miihini, mai i te ngāwari teitei mō te hanga ki te pakeke tino pai mō ngā taiao mahi uaua.
Nā tēnei tuhinga iSAKYSTEELe whakarato ana i tētahi tirohanga hōhonu ki tengā tikanga maimoatanga wera e wātea ana mō te maitai kore waikura 15-7PH, te whakamārama i ngā tikanga, ngā awhe pāmahana, me ngā hua o ia āhuatanga. Ahakoa he miihini koe, he kaihanga, he tohunga whakarewa rānei, mā te mārama ki ēnei āhuatanga maimoatanga wera ka āwhina i a koe ki te whiriwhiri i te huinga tika o te mahi me te kaha hanga mō tō tono.
1. Whakataki ki te Kowiri tira 15-7PH
15-7PH maitai kore waikura(UNS S17700, ASTM A693 Momo 631) hete maitai kore waikura martensitic whakapakeke-whakahekekei roto tata ki te15% konukōrumi, 7% nikara, me te 1% konumoheKo te tohu "PH" e pā ana ki tōna kaha ki tewhakapakeketia mā te maimoatanga wera ua.
I whakawhanakehia hei whakapai ake i te 17-7PH, ka tukuna e tēnei koranu he kaha ake, he pumau ake hoki i te wera. Ka taea te hanga ngāwari i roto i tōna āhua whakamahana, kātahi ka whakamahanatia kia puta he pakeke teitei me te kaha hua e tika ana mō ngā tono hanganga nui.
2. Te Hanganga Matū
| Huānga | Ihirangi Noa (%) | Kaupapa |
|---|---|---|
| Konukōmiuma (Kr) | 14.0–16.0 | Ka ātete ki te waikura |
| Nikara (Ni) | 6.5–7.8 | Ka whakapai ake i te pakari me te pumau |
| Konumohe (Al) | 0.75–1.5 | Kaihoko whakapakeke matua mō te ua |
| Waro (C) | ≤ 0.09 | Te mana whakahaere kaha me te pakeke |
| Manganēhi (Mn) | ≤ 1.00 | Whakapai ake i te kaha |
| Hiraka (Si) | ≤ 1.00 | Whakarei ake i te ātete waikura |
| Whēkau (P) | ≤ 0.04 | Whakahaeretia mō te ngāwari |
| Whānariki (S) | ≤ 0.03 | Whakapai ake i te ngāwari o te mahi miihini |
| Rino (Fe) | Taurite | Huānga turanga |
Mā te whakakotahitanga o te nikara me te konumohe ka taeate rerenga o nga pūhui Ni₃Ali te wā e koroheke ana, e tino whakakaha ana i te koranu me te pupuri tonu i te pakari.
3. Tirohanga Whānui mō te Maimoatanga Wera
Ka taea te tuku me te tukatuka i te maitai kore waikura 15-7PH i roto i ētahi maimoatanga werangā āhuatangahei whakatutuki i ngā huinga motuhake o te kaha, te pakeke, me te ngāwari. Ko ngā āhuatanga tino noa ko:
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Āhuatanga A:Whakamahanahia te otinga
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Āhua RH950:Te huringa me te koroheketanga o te Austenite ki te martensite
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Āhua TH1050:Te mahi matao, ā, muri iho ka koroheke
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Āhua RHT 900–1150:Ngā maimoatanga pāmahana teitei ritenga
Kei ia āhuatanga ngā mahi wera me ngā mahi ā-mīhini rerekē kua hangaia hei arotau i te rauemi mō tētahi whakamahinga motuhake.
4. Āhuatanga A – Wairewa Whakawerahia
4.1 Whakaahuatanga
I tēnei āhua, ko te 15-7PHotinga i rongoatiai te tata ki1038°C (1900°F)mō te 1 hāora, ā, muri iho kawhakamatao hauKo te hanganga hua koaustenitic, e whakarato ana i te ngāwari mōrahi, ā, e taea ai te hanga ngāwari i te rauemi, te kukume hōhonu, te miro rānei kia āhua i mua i te whakapakeketanga whakamutunga.
4.2 Ngā Whakamahinga Noa
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Te hanga pepa me te tā
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Ngā pūwero me ngā diaphragm
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Ngā wāhanga e hiahia ana kia hanga uaua i mua i te koroheketanga
4.3 Ngā Āhuatanga Ā-ringa (Noa)
| Taonga | Uara |
|---|---|
| Kaha Kume | 1050 MPa |
| Te Kaha o te Hua | 850 MPa |
| Te whakaroa | 18–20% |
| Te pakeketanga | 25–30 HRC |
Ehara te Āhua A i te āhua whakamutunga mō te nuinga o ngā mahi ahumahi — ā, i muri mai ka mahi matao me te pakeketanga kia kaha ake ai.
5. Āhua RH950 – Kua Pakeke te Ua
5.1 Whakaahuatanga
Ka tutuki te Āhua RH950 (RH = “Maimoatanga Whakamahana Whakahoki”) mā te:
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Te otinga e rongoā ana i te koranu i te 1038°C (Tūnga A).
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Te whakamatao ki te pāmahana rūma.
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Te whakamahana ki955°C (1750°F)mō te 1 hāora.
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Tere tonu te whakamatao ki te pāmahana rūma.
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Te koroheketanga i510°C (950°F)mō ngā hāora e 4, ā, muri iho ka whakamataohia ki te hau.
I roto i tēnei tukanga, ka huri te hanganga mai i te austenitic ki te martensitic, ā, ka puta he konumohe-nikora, ka tino piki ake te kaha me te pakeke.
5.2 Ngā Āhuatanga Ā-Mīhini
| Taonga | Uara |
|---|---|
| Kaha Kume | 1400–1450 MPa |
| Te Kaha o te Hua | 1200–1300 MPa |
| Te whakaroa | 8–10% |
| Te pakeketanga | 42–46 HRC |
5.3 Ngā Āhuatanga Matua
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He tino kaha, he pai te ngāwari
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He ātete tino pai ki te ngenge
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He pai te pumau o ngā āhuatanga
5.4 Ngā Whakamahinga Noa
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Ngā puna me ngā here
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Ngā taputapu rererangi
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Ngā wāhanga o te tāpine hiko
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Ngā diaphragm pehanga kaha-teitei
Ko te āhua RH950 tete āhuatanga tino noamō te 15-7PH i roto i ngā mahi rererangi me ngā mahi tika.
6. Āhua TH1050 – Kua Whakamahi Mataohia, ā, kua Pakeketia
6.1 Whakaahuatanga
Ka whakamahia te Āhua TH1050 (TH = “Maimoatanga Wera Whakawhiti”) ina hiahiatia he kaha teitei ake. Kei roto i tēnei:
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Te rongoā i te otinga i te 1038°C mō te 1 hāora (Tūnga A).
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Te whakaiti matao o te 60–70% hei huri i te austenite ki te martensite.
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Te koroheketanga i565°C (1050°F)mō te 1 hāora, ā, muri iho ka whakamataohia ki te hau.
6.2 Hanganga Moroiti
Mā te mahi matao ka whakatairangahia te huringa katoa ki te martensite i mua i te koroheketanga, ka hua ake hehanganga kōpura pai, ōrite hokime te kaha tino pai.
6.3 Ngā Āhuatanga Ā-Mīhini
| Taonga | Uara |
|---|---|
| Kaha Kume | 1500–1600 MPa |
| Te Kaha o te Hua | 1300–1450 MPa |
| Te whakaroa | 6–8% |
| Te pakeketanga | 44–48 HRC |
6.4 Ngā Āhuatanga Matua
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Te kaha mōrahi e taea ana mō te 15-7PH
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He tino pai te ngenge me te ātete kakahu
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He iti ake te ātete ki te waikura ki te whakataurite ki te RH950
6.5 Ngā Whakamahinga Noa
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Ngā wāhanga hanganga rererangi
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Ngā puna me ngā wāhanga takirere mahi-teitei
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Ngā here e hiahia ana ki te kaha kawenga mōrahi
Ko te tikanga TH1050 e tohu ana i tete āhua o te kaha teiteimō tēnei koranu.
7. Ngā momo maimoatanga wera ritenga
Haunga a RH950 me TH1050, ētahi atungā momo maimoatanga wera kua whakariteae wātea ana hei whakarite i ngā āhuatanga o te 15-7PH mō ngā taiao motuhake.
| Āhua | Te pāmahana (°F) | Whakaahuatanga | Hua |
|---|---|---|---|
| RHT900 | 900 | Te pāmahana koroheketanga iti iho | He kaha ake, he pakari iti ake |
| RHT1000 | 1000 | Awhe waenga | Te kaha taurite me te pakari |
| RHT1150 | 1150 | Te pāmahana koroheketanga teitei ake | Te whakapai ake i te ngāwari me te ātete ki te waikura |
Ka taea e ēnei maimoatanga te whakatikatika i te taurite o te kaha, te pakeke, me te ātete ki te waikura-pēhanga o te koranu, i runga i te taiao ratonga e whakaarohia ana.
8. Te Whakataurite i ngā Āhuatanga Maimoatanga Wera
| Taonga | Āhuatanga A | RH950 | TH1050 |
|---|---|---|---|
| Hanganga | Austenitic | Martensitic + Ngā Wairewa | Martensitic + Ngā Wairewa |
| Kaha Kume (MPa) | 1050 | 1450 | 1600 |
| Te pakeketanga (HRC) | 30 | 45 | 48 |
| Ngāwari | Teitei | Waenga | Iti |
| Ātete ki te Waikura | Tino pai | Tino Pai | Pai |
| Te Āhuatanga | Tino pai | He iti noa iho | He iti noa iho |
| Te Whakamahinga Noa | Te Hanga / Te Hanga | Rererangi / Puna | Ngā wāhanga mahi taumaha |
E whakaatu ana tēnei whakatairite i te āhua o te whakamahinga o te 15-7PH i roto i ngā momo ahumahi rerekē e rerekē ai ngā maimoatanga wera.
9. Te Tikanga Whakarewa o te Whakapakari i te Ua
Ko te kī ki te kaha o te 15-7PH kei roto i te hanganga o te paiNgā putunga Ni₃Ali te wā e pakeke haere ana. Ka mahi ēnei matūriki hei arai i te nekehanga o te whenua, ka whakanui ake i te kaha o te hua.
Ka taea te whakarāpopoto i te raupapatanga o te panoni penei:
Austenite → Martensite → Martensite + Ngā Taunga Ni₃Al
Mā te whakarerekē i te pāmahana me te roa o te koroheketanga, ka taea e ngā miihini te whakahaere tika i terahi me te tohatohao ēnei maturuturu, e whakarite ana i te pakeke me te pakari mō ia whakamahinga.
10. Ngā Whakatūpato mō te Maimoatanga Wera
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Whakahaere Pāmahana:Mā te pakeke rawa atu i runga ake i te 600°C ka whakaitihia te mārō nā te mea ka whakapakeke haere ngā matūriki.
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Whakahaere Āhuarangi:Whakamahia he oumu korehau, he oumu hau kore mahi rānei hei karo i te waikura me te tauine.
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Whakahaere Whakapōturi:Tautokona ngā wāhanga uaua hei whakaiti i te piko i te wā e whakamatao ana.
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Te koroheketanga i muri i te whakarewanga:Me whakamātau anō i muri i te whakarewatanga o ngā wāhanga kua whakawerahia kia kaha ai.
Mā te piripono ki ēnei aratohu ka ōrite ngā āhuatanga me te mahi pono.
11. Te Pānga o te Maimoatanga Wera ki te Ātete ki te Waikura
Ahakoa he pai te ātete waikura o te 15-7PH i ngā āhuatanga maimoatanga wera katoa,āhua whakamahana (A)Ko te ātete pai rawa atu tēnei nā tōna hanganga austenitic. I te piki haere o te pakeketanga i te koroheketanga, ka paku heke te ātete ki te waikura, inā koa i roto i ngā taiao kei roto he pūhaumāota.
Hei whakapakari i te tiaki o te mata,whakangāwarimewhakakanapae taunakitia ana kia whakamahia i muri i ngā maimoatanga tawhito.
12. Tauira o te Tukanga Maimoatanga Wera (RH950)
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Whakapūmautanga Whakapūmau:Whakamahanahia ki te 1038°C (1900°F) mō te 1 hāora, whakamataohia ki te hau.
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Hipanga RH Āhua:Whakamahanahia ki te 955°C (1750°F) mō te 1 hāora, whakamataohia ki te hau.
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Te whakapakeketanga o te koroheketanga:Whakamahanahia ki te 510°C (950°F) mō ngā hāora e 4, whakamataohia ki te hau.
Hua: Kaha kume ~1450 MPa, pakeke 45 HRC, roa 10%.
Ka hua mai i tēnei raupapa he huinga taurite o te kaha teitei me te ngāwari, he mea tino pai mō ngā mahi rererangi.
13. Ngā Tono mā te Āhuatanga
| Āhua | Ahumahi | Ngā Wāhanga Noa |
|---|---|---|
| Āhuatanga A | Te Rererangi / Te Hanga | Ngā pūwero, ngā pūwero, ngā puna |
| RH950 | Pūngao / Matū | Ngā takirere pēhanga teitei, ngā hiri tāpine |
| TH1050 | Rererangi / Parepare | Ngā hononga hanganga, ngā kaiwhakaoho |
| RHT ritenga | Moana / Mana | Ngā pūtu me ngā mowhiti ātete-waikura |
Mā te kaha ki te whakarite i ngā āhuatanga hangarau mā te maimoatanga wera ka tino whai hua te koranu 15-7PH.
14. Te Pūmautanga o te Pāmahana me ngā Herenga Ratonga
Ka mau tonu te kaha miihini pai rawa atu o te maitai kore waikura 15-7PH tae atu ki550°C (1020°F). I tua atu i tēnei wā, ka taea e te koroheketanga nui te whakaiti i te pakeketanga me te ātete ki te ngenge. I roto i ngā tono cryogenic, ka mau tonu tōna pakari ki raro ki-200°C, he mea e tika ana mō te mahi i te pāmahana tiketike me te pāmahana iti.
15. Te Whakahaere Kounga me te Whakamātautau i SAKYSTEEL
SAKYSTEELKa whakamahia ngā paerewa kounga tino pakari puta noa i ia wāhanga maimoatanga wera hei whakarite i te pumau o te mahi.
Ko ngā rauemi katoa ko:
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I whakamahanatia i roto ingā oumu hau-whakahaeretia
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Kua manatokohia māwhakamātautau pakeke me te kume
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I tirohia mōte rahi o te witi me te hanganga moroiti
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I tukuna mai kiTiwhikete EN 10204 3.1 / 3.2
(Tohu SAKYSTEEL)
Ka taea te whai i ia pae, ia pereti, me ia waea, kia pono ai mō ngā tono ahumahi nui.
16. Awhe Tuku SAKYSTEEL mō te 15-7PH
Ka whakaratohia e mātou te maitai kore waikura 15-7PH i roto i ngā āhua me ngā tikanga e whai ake nei:
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Ngā Pae me ngā Rākau Porowhita– Kua whakawerahia, RH950, TH1050 rānei
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Ngā Pereti me ngā Rau– Kua rongoatia ki te wairewa, kua whakatōkia rānei
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Waea me ngā Rīpene– Ka mimitia e te makariri, ka whakapakeketia e te ua
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Ngā Hanga me ngā Mowhiti– Whakamahanahia kia rite ki ngā whakaritenga ritenga
Kei te wātea hoki ngā ratonga maimoatanga wera ritenga i runga i ngā hiahia o te kiritaki.
17. Ngā Painga o te Whakamahana i te 15-7PH
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Te ōwehenga Kaha-ki-Taumaha Teitei
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Te Pūmautanga o te Ahu i te Wā e Pakeke Ana
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Te Ora Ngenge Pai rawa atu
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Ngā Āhuatanga Mīhini Whakaritea
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Te Mahi Pūmau i ngā Pāmahana Teitei
Nā ēnei āhuatanga ka waiho a 15-7PH hei otinga tino pai mō ngā wero hangarau uaua puta noa i ngā ahumahi maha.
18. Te Whakataurite ki Ētahi Atu Rino Kowiri tira PH
| Koranu | Huānga Whakamārō | Kaha Rawa (MPa) | Te Pāmahana Mōrahi (°C) | Āheitanga whakarewa |
|---|---|---|---|---|
| 15-7PH | Konumohe | 1500+ | 550 | Pai |
| 17-4PH | Parahi | 1300 | 315 | Tino pai |
| 17-7PH | Konumohe | 1300 | 425 | Pai |
He pai ake te 15-7PH i te 17-4PH me te 17-7PH i roto ite kaha o te pāmahana teitei me te ātete ki te ngenge, ahakoa he māmā ake te whakarewa i te 17-4PH, ā, he ātete hoki ki te waikura i roto i ngā āhuatanga moana.
19. Whakarāpopototanga o ngā Tikanga Maimoatanga Wera
| Āhua | Awhe Pāmahana (°C) | Hua Matua |
|---|---|---|
| A | 1038 | Kua whakawerahia, ngohengohe, ka taea te hanga |
| RH950 | 510 | He kaha teitei, he ngāwari pai |
| TH1050 | 565 | Te pakeketanga mōrahi, te ātete nui ki te ngenge |
| RHT900–1150 | 480–620 | Taurite kaha/pakari ritenga |
Mā te whiriwhiri i te āhua tika, ka taea e ngā kaihoahoa te taurite i te mahi a te koranu ki ngā whakaritenga whakahaere tuturu.
20. Whakamutunga
15-7PH maitai kore waikurahe tino ngāwari te whakamahi mā roto i ngā āhuatanga maimoatanga wera. Mai i te ngohengohe, te āhua ka taea te hangaĀhuatanga Aki te kaha tino-tiketikeTH1050i roto i ngā āhuatanga rerekē, ka taea te hanga i tēnei koranu hei whakatutuki i ngā tono whakahaere rerekē — mai i ngā puna rererangi me ngā diaphragm ki ngā wāhanga tāpine me ngā wāhanga takirere.
Te mea e wātea anangā kōwhiringa maimoatanga wera— RH950, TH1050, me ngā momo RHT ritenga — e whakarato ana i te mana whakahaere tino pai mō te mahi ā-mīhini, e whakarite ana i te pono ahakoa i raro i te ahotea nui, te pāmahana, te ngenge rānei.
At SAKYSTEEL, e whakarato ana mātou i ngā rauemi maitai kore waikura 15-7PH kua whaimanahia i roto i ngā tikanga maimoatanga wera paerewa me ngā tikanga ritenga katoa, i hangaia i raro i ngā paerewa kounga tino pakari, ā, e tautokona ana e ngā tuhinga hangarau katoa.
Wā tuku: Oketopa-29-2025