I roto i ngā momo rino kowiri tira maha e whakamahia ana i roto i te ahumahi hou,ngā maitai kore waikura whakapakeke-taumaha (PH)he tino uara mō tā rātou whakakotahitanga okaha teitei, pakari, me te ātete ki te waikuraKo ētahi o ngā momo rongonui o tēnei kāwai ko15-7PHme17-4PH.
Ahakoa nō te whānau kotahi rātou, ā, he rite tonu ētahi āhuatanga, he rerekētanga nui kei roto i ō rātoute hanganga matū, ngā āhuatanga miihini, me ngā tono.
I roto i tēnei tuhinga taipitopito,SAKYSTEELwhakamārama i tengā rerekētanga matua i waenga i te maitai kore waikura 15-7PH me te 17-4PH, hei āwhina i ngā miihini, i ngā kaihanga, me ngā kaiwhakahaere hoko ki te whiriwhiri i te rauemi tino tika mō ā rātou hiahia.
1. Whakataki ki ngā Rino Kowiri tira e whakapakeke ana i te ua
Ka tutuki te kaha o ngā maitai kore waikura mā te whakapakeke-taumaha (PH) mā roto i tētahi tukanga e rua-taahiraa:
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Te maimoatanga otinga (whakamahana)hei waihanga i tētahi hanganga ōrite.
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Te koroheketanga (te whakapakeketanga o te ua)hei hanga i ngā matūriki angiangi hei aukati i te nekehanga o te nekehanga, hei whakanui ake i te kaha me te pakeke.
Mā tēnei tukanga ka taea e ngā maitai kore waikura PH te whakatutukihe kaha miihini teitei akei ngā tohu austenitic paerewa (pēnei i te 304, i te 316 rānei), me te pupuri tonuātete pai ki te waikuramengāwari hanga.
Ngā mea e rua15-7PHme17-4PHnō tēnei whānau — engari he rerekē ā rātou huānga whakarewa me ngā tikanga whakapakari.
2. Whakataurite i te Hanganga Matū
| Huānga | 15-7PH (UNS S17700) | 17-4PH (UNS S17400) |
|---|---|---|
| Konukōmiuma (Kr) | 14.0 – 16.0% | 15.0 – 17.5% |
| Nikara (Ni) | 6.5 – 7.8% | 3.0 – 5.0% |
| Konumohe (Al) | 0.75 – 1.5% | — |
| Parahi (Cu) | — | 3.0 – 5.0% |
| Waro (C) | ≤ 0.09% | ≤ 0.07% |
| Manganēhi (Mn) | ≤ 1.0% | ≤ 1.0% |
| Hiraka (Si) | ≤ 1.0% | ≤ 1.0% |
| Whēkau (P) | ≤ 0.04% | ≤ 0.04% |
| Whānariki (S) | ≤ 0.03% | ≤ 0.03% |
| Rino (Fe) | Taurite | Taurite |
Rerekētanga Matua:
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15-7PHngā whakamahingakonumohehei wāhanga whakapakeke matua mō te ua.
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17-4PHngā whakamahingaparahihei wāhanga whakapakari.
Ko te hua o tēnei rerekētanga he rerekētangangā hanganga moroiti, ngā whanonga koroheketanga, mengā āhuatanga mahii waenganui i ngā konukōre e rua.
3. Ngā Rerekētanga Whakarewa
3.1 15-7PH: Koranu Martensitic kua whakapakeketia ki te konumohe
Ka whakawhanakehia e te 15-7PH te kaha nui mā tete whakatōpūtanga o te Ni₃Al (ngā pūhui whakarewa nikara-konumohe)i te wā e koroheke ana. Ka huri mai i teausteniticki tētahimartensitichanganga i muri i te mahi matao me te maimoatanga wera.
Mā tēnei tikanga whakatōtō e hangai ana ki te konumohe ka whakaratohiatino kaha me te pakekeme te ātete pai ki te waikura.
3.2 17-4PH: Koranu Martensitic Whakapakari-Parahi
Ka whakapakaritia te 17-4PH engā putunga pai e whai kiko ana i te parahii hangaia i te wā e pakeke haere ana. Ka noho tonu te koranumartensitici muri i te maimoatanga otinga me te koroheketanga, ā, e mōhiotia ana mō anahe tino pai te whakarewa me te ngāwari o te tukatuka.
Ahakoa he iti ake te kaha mōrahi i te 15-7PH, ka whakaratohiate ātete whānui ki te waikuramepakari teitei.
4. Te Whakataurite i ngā Āhuatanga Mīhini
| Taonga | 15-7PH | 17-4PH |
|---|---|---|
| Kaha Hua (MPa) | 1100–1300 | 1000–1200 |
| Kaha Kume (MPa) | 1250–1450 | 1100–1300 |
| Te roa (%) | 6–10 | 10–18 |
| Te pakeketanga (HRC) | 42–46 | 38–44 |
| Kiato (g/cm³) | 7.8 | 7.75 |
Whakarāpopototanga:
Ngā tuku 15-7PHte kaha kume me te pakeke teitei ake, i te mea e whakarato ana a 17-4PHhe pai ake te ngāwari me te pakari o te pāngaKa taea te whakarite i ngā mea e rua mā te maimoatanga wera kia rite ki ngā whakaritenga tono motuhake.
5. Ātete ki te Waikura
He pai ake te ātete o ngā koranu e rua ki te waikura o te hau, ngā waikawa ngawari, me ngā taiao ahumahi i ngā maitai waro, ngā maitai iti-koranu rānei. Heoi anō:
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17-4PHkuahe pai ake te ātete ki te waikura, nā te nui ake o te chromium me te parahi. He pai te mahi i roto i ngā taiao moana me te chloride mēnā ka tika te whakakorenga.
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15-7PHhe ātete hoki ki te waikura engari tera pea ka kiteapokai roto i ngā āhuatanga hauota kino. He mea tino pai mō ngā taiao waikura āhua-waenga te mea nui ko te kaha.
6. Ngā Rerekētanga o te Maimoatanga Wera
6.1 15-7PH
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Whakamahana Wairewa (Tūnga A):1038°C mō te 1 hāora, whakamataohia ki te hau.
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Te Hurihanga ki te Martensite (Te Āhua TH1050):Mahi matao, ā, muri iho ka whakamahanahia ki te 565°C mō te 1 hāora.
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Te koroheketanga (Āhua RH950):Whakamahanatia ki te 510°C mō ngā hāora e 4, whakamataohia ki te hau.
Ka hua mai i tēnei raupapa maimoatanga he hanganga martensitic tino kaha.
6.2 17-4PH
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Te Maimoatanga Rongoā:1040°C mō te 30–60 meneti, whakamataohia ki te hau.
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Ngā Āhuatanga o te Kaumātuatanga:480°C (H900), 550°C (H1025), 580°C (H1075), 620°C rānei (H1150).
Ka taea e ngā kaihoahoa te whakamahi i ngā pāmahana tawhito rerekēte kaha me te pakari o te whakatangitangii runga i ngā hiahia ratonga.
7. Te Hanga me te Āheitanga ki te Mīhini
| Taonga | 15-7PH | 17-4PH |
|---|---|---|
| Te āheinga ki te mīhini | He pai i roto i te āhua kua whakawerahia | He tino pai i roto i te āhua kua rongoatia ki te otinga |
| Te Āhuatanga | He tino pai i mua i te koroheketanga | Waenga |
| Āheitanga whakarewa | He pai ngā mahi whakatūpato | Tino pai |
| Whakaotinga Mata | Tino pai | Tino pai |
15-7PHHe māmā ake te hanga i te āhua kua whakamahanatia i mua i te koroheketanga, engari ka mārō i muri i te maimoatanga wera.
17-4PH, i tētahi atu taha, he ngāwari ake te whakamahi i te mīhini me te whakarewa, ā, he mea rongonui mō ngā wāhanga uaua, matotoru rānei.
8. Ātete ki te pāmahana
| Taonga | 15-7PH | 17-4PH |
|---|---|---|
| Te pāmahana ratonga mōrahi | 550°C (1020°F) | 315°C (600°F) |
| Te Pupuri Kaha i te Pāmahana Teitei | Tino pai | Waenga |
| Whānuitanga Wera (µm/m°C) | 10.9 | 10.8 |
15-7PHka mau tonu tōna kaha i ngā pāmahana teitei, i te mea17-4PHko te tikanga ka whakamahia ki raro iho i te 315°C nā te mea kua tawhito rawa, kua ngaro hoki te kaha.
9. Whakataurite i ngā Taupānga
Ngā Whakamahinga Kowiri tira 15-7PH
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Ngā wāhanga rererangi(ngā puna, ngā pupuhi hau, ngā pūwero hau)
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Ngā oko pēhanga teiteime ngā takirere
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Ngā taputapu tukanga matū
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Ngā wāhanga miihini tino tika
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Ngā puna me ngā heree hiahia ana ki te kaha ngenge teitei
Ngā Whakamahinga Kowiri tira 17-4PH
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Ngā toki papu me ngā impeller
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Ngā wāhanga o te tāhū
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Ngā wāhanga whakaputa karihi me te mana
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Ngā taputapu moana
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Ngā tinana takirere, ngā pūtu, me ngā taputapu
Whakarāpopototanga:
Mena e hiahiatia ana e te tonote kaha mōrahi me te mahi pāmahana teitei, whiriwhiri15-7PH.
If te ātete ki te waikura, te pakari, me te āheinga whakarewahe nui ake te arohaehae,17-4PHkoia te kōwhiringa pai ake.
10. Ngā Hanganga Moroiti me ngā Tikanga Whakapakari
| Āhuatanga | 15-7PH | 17-4PH |
|---|---|---|
| Te Whakakaha i te Tikanga | Ni₃Al (Te konumohe precipitates) | Ngā putunga momona-Cu |
| Wāhanga i muri i te koroheketanga | Martensite + Ngā Wairewa | Martensite + Ngā Wairewa |
| Te Pūmautanga o te Hanganga Moroiti | Tino pumau tae atu ki te 550°C | Pūmau ki te 315°C |
| Te aro ki te koroheketanga | Awhe whaiti | Whānui te whānuitanga, ngāwari ake te whakahaere |
Ko te wahanga Ni₃Al i roto i te 15-7PH e whakarato anate pumau pāmahana teitei, i te mea ka whakaratohia e ngā matū whai-Cu i roto i te 17-4PHhe pai ake te kaha whakarewa me te pakari.
11. Whakarāpopototanga Mahi
| Āhuatanga | 15-7PH | 17-4PH |
|---|---|---|
| Kaha | Teitei ake | Teitei |
| Te pakeketanga | Teitei ake | Waenga |
| Ngāwari | Waenga | Pai ake |
| Ātete ki te Waikura | Pai | Tino Pai |
| Mahi Mahana-Tiketike | Tino pai | He iti noa iho |
| Te āheinga ki te mīhini | Waenga | Pai ake |
| Āheitanga whakarewa | Tika | Tino pai |
| Ātete ki te ngenge | Tino pai | Pai |
| Utu | He paku teitei ake | He iti iho |
Whakatau:
Kua arotauhia te 15-7PH mōte kaha me te ātete wera, i te mea he tino pai a 17-4PH i roto ite āheinga whakarewa, te pakari, me te ātete ki te waikura.
12. Te Kōwhiri i waenganui i te 15-7PH me te 17-4PH
Hei whiriwhiri i te taumata tika, whakaarohia ngā mea e whai ake nei:
| Whakaritenga | Koranu i Manakohia |
|---|---|
| Te kaha me te mārō rawa | 15-7PH |
| He ātete pai rawa atu ki te waikura | 17-4PH |
| Te pumau i te pāmahana teitei (tae atu ki te 550°C) | 15-7PH |
| He pai ake te kaha whakarewa | 17-4PH |
| Ngā wāhanga rererangi me te tika | 15-7PH |
| Ngā taputapu moana me ngā taputapu ahumahi | 17-4PH |
He maha ngā wā ka whiriwhiria e ngā miihini15-7PHina hiahiatia te hoahoakaha teitei me te iti o te whakarerekētanga, me17-4PHāheate ngāwari o te hanga me te ātete ki te waikurahe mea nui rawa atu.
13. Te Utu me te Wātea
E wātea ana ngā rauemi e rua i roto i ngā momo āhua maha — he pae porowhita, he pereti, he waea, me te rīpene.
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17-4PHko te tikangahe iti ake te ōhangaā, he whānuitia te penapena nā tōna rongonuitanga i roto i ngā mahi ahumahi.
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15-7PHahakoa he iti ake te utu, he mea pai ake i roto irererangimepareparengā rāngai mō tōna ōwehenga kaha-ki-taumaha pai rawa atu.
14. Tauira o te Ao Tūturu: Te Whakamahinga o te Puna Rererangi
I whakaritea e tētahi kaihanga rererangi ngā koranu e rua mō te whakamahinga puna pāmahana teitei:
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17-4PHI tīmata ngā puna te marino i muri i te pāmahana neke atu i te 400°C.
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15-7PHi mau tonu te kaha kawenga o ngā puna tae atu ki te 520°C me te iti rawa o te rerekētanga ngokingoki.
Nā reira, i whiriwhiria te 15-7PH mō te hoahoa whakamutunga, kia mau ai te pono o te ratonga mō te wā roa.
15. Te Whakapūmau Kounga me te Tukunga mai i SAKYSTEEL
At SAKYSTEEL, ka hangaia e mātou, ka tukuna hoki e mātou ngā mea e rua15-7PHme17-4PH maitai kore waikurai raro i te mana whakahaere kounga tino pakari.
Kei roto i ngā rauemi katoa:
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Te tutuki i ngā whakaritenga ASTM A693 / AMS 5520 / AMS 5659
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Tiwhikete EN 10204 3.1 / 3.2
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Te Tāutuhi Rauemi Pai (PMI)
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Te tirotiro i te mata me te tirotiro i te mata
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Ngā kōwhiringa maimoatanga wera ritenga
(Tohu SAKYSTEEL)
Kua rite rawa ā mātou whare mō te tapahi tika, te whakakanapa, me te tākai kia tutuki ai ngā whakaritenga kaweake o te ao.
16. Te whānuitanga o ngā hua o SAKYSTEEL
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Ngā Pae me ngā Rākau Porowhita:Mai i te 6 mm ki te 350 mm
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Ngā Pereti me ngā Pepa:Matotoru 1 mm ki te 100 mm
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Waea me te Rīpene:Mō ngā puna me ngā wāhanga tino tika
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Ngā Hangahanga me ngā Mowhiti:Ngā āhuatanga ritenga mō ngā tono rererangi me te mara hinu
Mā SAKYSTEEL e whakarite te tuku tere, te kounga pumau, me te tautoko hangarau a te tohunga.
17. Ngā Tiwhikete Ahumahi
Ka tutuki, ka hipa rānei ngā rauemi maitai kore waikura a SAKYSTEEL i ēnei:
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Ngā paerewa AMS, ASTM, me ASME
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Te tutuki i ngā whakaritenga NACE MR0175 / ISO 15156
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Ngā whakaritenga ā-rangi me te ārai
Ka whakamatautauria, ka whakamanahia hoki ia hua mō te tutuki i ngā whakaritenga matū, ā-mīhini, me te whakarewa.
18. Whakarāpopototanga: 15-7PH vs. 17-4PH
| Tauwehenga Whakataurite | 15-7PH | 17-4PH |
|---|---|---|
| Huānga Whakamārō | Konumohe | Parahi |
| Kaha | Teitei ake | He iti iho |
| Ātete ki te Waikura | Pai | Pai ake |
| Tepe Mahana | 550°C | 315°C |
| Āheitanga whakarewa | Tika | Tino pai |
| Utu | Teitei ake | I raro |
| Te Whakamahinga Noa | Ātea, Puna, Takirere | Ngā Papu, Ngā Toho, Ngā Wāhanga Moana |
I te poto:
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Kōwhiri15-7PHāheate kaha me te ātete pāmahanahe mea nui.
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Kōwhiri17-4PHāheangāwari o te hanga me te tiaki i te waikurahe mea nui ake.
19. Whakamutunga
Ngā mea e rua15-7PHme17-4PH maitai kore waikuraHe rauemi tino pai, kua whakamātauhia ō rātou pūkenga puta noa i ngā ahumahi maha.
15-7PHngā tukukaha ake, ātete pai ake ki te ngenge, me te mahi pai rawa atu i ngā pāmahana teitei, i te mea17-4PHwhakaratohe tino pai te āheinga whakarewa, te ātete ki te waikura, me te whai huatanga utu.
Ina tangohia mai i tētahi kaiwhakarato pono pēnei i aSAKYSTEEL, e tukuna ana e ngā momo e rua te pono tino pai, te whai i ngā āhuatanga, me te kounga pumau — kia rite ai te mahi a ō wāhanga kia rite ki te hoahoa i raro i ngā āhuatanga tino uaua.
Wā tuku: Oketopa-29-2025