Kupu Whakataki
TePaipa Kowiri tira ASTM A312 UNS S30815 253MAhe koranu maitai kore waikura austenitic mahi-teitei e mōhiotia ana mō tōna ātete pai ki te waikura pāmahana teitei, te waikura, me ngā āhuatanga miihini pai rawa atu i roto i ngā taiao pāmahana teitei.253MAKua hangaia mō ngā mahi e hiahia ana kia pumau te pāmahana, inā koa i roto i ngā ahumahi oumu me te maimoatanga wera. Nā tōna ātete tino pai ki te tauine, te whakakāhu, me te waikura whānui, he mea pono mō ngā taiao tino kino.
E whakamahia whānuitia ana tēnei momo maitai kore waikura i roto i ngā mahi ahumahi pāmahana teitei, ā, he mea tino pai mō ngā mahi e tino hira ana te kaha me te ātete ki te waikura.
Ngā Paerewa me ngā Whakatakotoranga
TePaipa Kowiri tira ASTM A312 UNS S30815 253MAka hangaia kia rite ki ngā paerewa e whai ake nei:
- ASTM A312Whakatakotoranga Paerewa mō ngā Paipa Kowiri tira Austenitic Tuitui Kore-Tuitui, Tuitui-Whakarewa, me te Mahi Matao-Nui
- UNS S30815E ai ki te Unified Numbering System for Materials, he kounga kowiri tira teitei tēnei.
- EN 10088-2: Paerewa Pākehā mō te Kowiri tira, e kapi ana i ngā whakaritenga mō te hanganga o tēnei rauemi, ngā āhuatanga hangarau, me te whakamātautau.
Te Hanganga Matū(% mā te Taumaha)
Te hanganga matū o253MA (UNS S30815)kua hangaia hei whakarato i te ātete tino pai ki te waikura me te kaha pāmahana teitei. Ko te hanganga noa koia tēnei:
| Huānga | Te hanganga (%) |
| Konukōmiuma (Kr) | 20.00 - 23.00% |
| Nikara (Ni) | 24.00 - 26.00% |
| Hiraka (Si) | 1.50 - 2.50% |
| Manganēhi (Mn) | 1.00 - 2.00% |
| Waro (C) | ≤ 0.08% |
| Whēkau (P) | ≤ 0.045% |
| Whānariki (S) | ≤ 0.030% |
| Hauota (N) | 0.10 - 0.30% |
| Rino (Fe) | Taurite |
Ngā Āhuatanga Rauemi: Ngā Āhuatanga Matua
253MA(UNS S30815) e whakakotahi ana i te kaha tino pai ki te pāmahana teitei me te ātete waikura. Nā tēnei ka tino pai mō ngā whakamahinga i roto i ngā taiao tino kino, pērā i ngā oumu me ngā whakawhiti wera. He nui te ihirangi chromium me te nickel o te rauemi, e whakarato ana i te ātete tino pai ki te waikura i ngā pāmahana tae atu ki te 1150°C (2100°F).
Ngā Āhuatanga Ā-tinana
- Kiato7.8 karamu/cm³
- Te Pūwāhi Rewa: 1390°C (2540°F)
- Te Arahi Wera15.5 W/m·K i te 100°C
- Wera Motuhake0.50 J/g·K i te 100°C
- Ātete Hiko: 0.73 μΩ·m i te 20°C
- Kaha Kume: 570 MPa (iti rawa)
- Te Kaha o te Hua: 240 MPa (iti rawa)
- Te whakaroa: 40% (iti rawa)
- Te mārō (Rockwell B)HRB 90 (mōrahi)
- Te Tauwehenga o te Āhuatanga: 200 GPa
- Te Ōwehenga a Poisson0.30
- He ātete tino pai ki te waikura, te tauine, me te whakawaro i te pāmahana tiketike.
- Ka mau tonu te kaha me te pumau o te āhua i ngā pāmahana neke atu i te 1000°C (1832°F).
- He ātete pai ki ngā taiao waikawa me te kawakore.
- Ātete ki te pakaru waikura i puta mai i te whanariki me te pūhaumāota.
- Ka taea te ātete ki ngā taiao pukuriri, ā, he mea tino pai mō te whakamahi i roto i te tukatuka matū me ngā tukanga ahumahi pāmahana teitei.
Ngā Āhuatanga Mīhini
Ātete Waikura
Ātete ki te Waikura
Tukanga Whakaputa: Te Mahi Toi mō te Tika
Te hangahanga oNgā Paipa Kowiri tira 253MAe whai ana i ngā tikanga whakaputa hou hei whakarite i te kounga teitei me te roa:
- Te Hanga Paipa TuituiI hangaia mā te extrusion, te wetoke hurihuri, me ngā tukanga whakaroa hei hanga paipa kore hononga me te matotoru pakitara ōrite.
- Tukanga Mahi MataoKa whakamahia ngā tukanga kukume matao, te kohikohi rānei hei whakatutuki i ngā ine tika me ngā mata maeneene.
- Te Maimoatanga WeraKa tukatukahia ngā paipa ki te wera i ngā pāmahana motuhake hei whakarei ake i ō rātou āhuatanga hangarau me te mahi pāmahana tiketike.
- Te Whakapūkara me te WhakakorekoreKa whakapūkarahia ngā paipa hei tango i ngā kiriata unahi me te waikura, ā, ka whakawetohia kia kore ai e pirau anō.
Te Whakamātautau me te Tirotiro: Te Whakapūmau Kounga
E whai ana a Womic Steel i tētahi tikanga whakamātautau tino pakari hei whakarite i te kounga teitei mōNgā Paipa Kowiri tira 253MA:
- Tātaritanga Hanganga MatūI manatokohia mā te whakamahi i ngā tikanga tirotiro hei whakaū i te tutuki o te koranu i ngā hanganga kua tohua.
- Whakamātautau MīhiniTe whakamātautau kume, te pakeke, me te pānga hei manatoko i te mahi a te rauemi i ngā pāmahana rerekē.
- Whakamātautau WaipūmauKa whakamātauria ngā paipa kia mau ki te pēhanga kia kore ai e turuturu.
- Whakamātautau Kore-Whakangaro (NDT)Kei roto ko te whakamātautau ultrasonic, te ia hurihuri, me te whakamātautau werohanga tae hei kimi i ngā hapa o roto, o te mata rānei.
- Tirotiro Tirohanga me te AhuKa tirohia te āhua o ia paipa mō te whakaotinga o te mata, ā, ka tirohia te tika o ngā āhuatanga ki ngā whakatakotoranga.
Mō ētahi atu pārongo, whakapā atu ki a Womic Steel i tēnei rā!
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Wā tuku: Hanuere-08-2025