SS904L AISI 904L Kowiri tira (UNS N08904)
Whakataki Hua
Ko te maitai kore waikura AISI 904L (UNS N08904) he maitai kore waikura austenitic teitei te konukōre. Ki te whakatauritea ki te 316L, he iti ake te ihirangi waro (C) o te SS904L, he nui ake te ihirangi chromium (Cr), ā, tata ki te rua te nui o te ihirangi nikara (Ni) me te molibdenum (Mo) o te316L, nā reira he ātete nui ake tōna ki te waikura i te pāmahana teitei, te ātete ki te pakaru, me te ātete ki te waikawa whakaiti (hei tauira, te waikawa whanariki). Ka taea e te hauota (N) te whakaiti i te tere o te maturuturunga o te chromium carbide, ā, ka whakaiti i te aro o te aro, ka whakapai ake hoki i te ātete ki te pirau pakaru me te kapiti i puta mai i ngā chloride. Ina koa ko te tāpiri o te parahi (Cu) ka whai hua mō ngā kukū katoa o te waikawa whanariki.
He pai ake te mahi a te Alloy 904L i ētahi atu maitai kore waikura austenitic nā te nui ake o te konukōre o te nickel me te molybdenum. Kāore he aukume o te karaehe i ngā āhuatanga katoa, ā, he tino pai te āhua o te hanga me te whakarewa. Mā te hanganga austenitic ka tino pakari tēnei karaehe, tae noa ki ngā pāmahana cryogenic. Ko te nui o te chromium e whakatairanga ana, e pupuri ana hoki i tētahi kiriata kore e tiaki i te rauemi i roto i ngā taiao waikura maha. Kāore he mōrearea o te waikura intercrystalline i te whakamatao, i te whakarewa rānei nā te iti o te waro. Ko tōna pāmahana ratonga mōrahi kei te 450°C. He tino whai hua tēnei karaehe i roto i ngā tono ngongo whakahaere me ngā taputapu ina kore e pai te 316 me te 317L.
I te tīmatanga, i hangaia te Alloy 904L hei ātete ki ngā taiao kei roto te waikawa whanariki waimeha. He pai hoki tōna ātete ki ētahi atu waikawa kore-waro pērā i te waikawa phosphoric wera me te nuinga o ngā waikawa waro.
He māmā noa te whakarewa me te tukatuka i te koranu 904L mā ngā tikanga hanga toa paerewa.
E whakamahia ana te maitai kore waikura 904L (SS904L) i roto i te hinu, te matū, te tongi, ngā pourewa whanaketanga moana, ngā tāke, ngā paipa me ngā ngongo me ngā whakawhiti wera. Ka whakamahia hoki e Rolex me ētahi atu kaihanga wati hei hanga wati.
Ngā Whakaritenga Matū
Koranu 904L (UNS NO8904)
% o te hanganga
| C Waro | Mn Manganēhi | P Whēkau | S Whāriki | Si Hiraka | Ni Nikara | Cr Konupora | Mo Molibdenuma | N Hauota | Cu Parahi |
| 0.020 mōrahi | 2.00 te mōrahi | 0.040 mōrahi | 0.030 mōrahi | 1.00 mōrahi | 23.0-28.0 | 19.0-23.0 | 4.0-5.0 | 0.10 mōrahi | 1.00-2.00 |
| Ngā Āhuatanga Mīhini | |
| Te Kaha o te Hua | 31 Ksi min |
| Kaha Kume | 71 Ksi min |
| Te whakaroa (2" min) | 35% |
| Te pakeketanga (Tauine Rockwell B) | 90 HRB mōrahi |
| Pēhanga mōrahi e whakaaetia ana (wae: BAR) | ||||||||
| Matotoru o te Pakitara (mm) | ||||||||
| 0.89 | 1.24 | 1.65 | 2.11 | 2.77 | 3.96 | 4.78 | ||
| OD (mm) | 6.35 | 393 | 572 | 783 | 1012 | |||
| 9.53 | 253 | 362 | 499 | 657 | 883 | |||
| 12.7 | 186 | 265 | 362 | 476 | 646 | |||
| 19.05 | 172 | 233 | 304 | 410 | ||||
| 25.4 | 128 | 172 | 223 | 299 | 443 | 549 | ||
| 31.8 | 136 | 176 | 235 | 345 | 425 | |||
| 38.1 | 113 | 146 | 194 | 283 | 348 | |||
| 50.8 | 84 | 108 | 143 | 208 | 255 | |||
Tiwhikete Whakahonore
Paerewa ISO9001/2015
Paerewa ISO 45001/2018
Tiwhikete PED
Tiwhikete whakamātautau hototahi hauwai TUV
| Kāore. | Rahi (mm) | |
| OD | Ngā mihi | |
| Te taratara o te mata o roto o te ngongo BA Ra0.35 | ||
| 1/4″ | 6.35 | 0.89 |
| 6.35 | 1.00 | |
| 3/8″ | 9.53 | 0.89 |
| 9.53 | 1.00 | |
| 1/2” | 12.70 | 0.89 |
| 12.70 | 1.00 | |
| 12.70 | 1.24 | |
| 3/4” | 19.05 | 1.65 |
| 1 | 25.40 | 1.65 |
| Te taratara o te mata o roto o te ngongo BA Ra0.6 | ||
| 1/8″ | 3.175 | 0.71 |
| 1/4″ | 6.35 | 0.89 |
| 3/8″ | 9.53 | 0.89 |
| 9.53 | 1.00 | |
| 9.53 | 1.24 | |
| 9.53 | 1.65 | |
| 9.53 | 2.11 | |
| 9.53 | 3.18 | |
| 1/2″ | 12.70 | 0.89 |
| 12.70 | 1.00 | |
| 12.70 | 1.24 | |
| 12.70 | 1.65 | |
| 12.70 | 2.11 | |
| 5/8″ | 15.88 | 1.24 |
| 15.88 | 1.65 | |
| 3/4″ | 19.05 | 1.24 |
| 19.05 | 1.65 | |
| 19.05 | 2.11 | |
| 1 inihi | 25.40 | 1.24 |
| 25.40 | 1.65 | |
| 25.40 | 2.11 | |
| 1-1/4″ | 31.75 | 1.65 |
| 1-1/2″ | 38.10 | 1.65 |
| 2 inihi | 50.80 | 1.65 |
| 10A | 17.30 | 1.20 |
| 15A | 21.70 | 1.65 |
| 20A | 27.20 | 1.65 |
| 25A | 34.00 | 1.65 |
| 32A | 42.70 | 1.65 |
| 40A | 48.60 | 1.65 |
| 50A | 60.50 | 1.65 |
| 8.00 | 1.00 | |
| 8.00 | 1.50 | |
| 10.00 | 1.00 | |
| 10.00 | 1.50 | |
| 10.00 | 2.00 | |
| 12.00 | 1.00 | |
| 12.00 | 1.50 | |
| 12.00 | 2.00 | |
| 14.00 | 1.00 | |
| 14.00 | 1.50 | |
| 14.00 | 2.00 | |
| 15.00 | 1.00 | |
| 15.00 | 1.50 | |
| 15.00 | 2.00 | |
| 16.00 | 1.00 | |
| 16.00 | 1.50 | |
| 16.00 | 2.00 | |
| 18.00 | 1.00 | |
| 18.00 | 1.50 | |
| 18.00 | 2.00 | |
| 19.00 | 1.50 | |
| 19.00 | 2.00 | |
| 20.00 | 1.50 | |
| 20.00 | 2.00 | |
| 22.00 | 1.50 | |
| 22.00 | 2.00 | |
| 25.00 | 2.00 | |
| 28.00 | 1.50 | |
| Ngongo BA, Kāore he tono mō te taratara o te mata o roto | ||
| 1/4″ | 6.35 | 0.89 |
| 6.35 | 1.24 | |
| 6.35 | 1.65 | |
| 3/8″ | 9.53 | 0.89 |
| 9.53 | 1.24 | |
| 9.53 | 1.65 | |
| 9.53 | 2.11 | |
| 1/2″ | 12.70 | 0.89 |
| 12.70 | 1.24 | |
| 12.70 | 1.65 | |
| 12.70 | 2.11 | |
| 6.00 | 1.00 | |
| 8.00 | 1.00 | |
| 10.00 | 1.00 | |
| 12.00 | 1.00 | |
| 12.00 | 1.50 | |