Ngongo Kowiri tira 309 Tuitui
Whakaahuatanga Poto:
Ko te Kowiri tira 309 he kowiri tira austenitic ātete-wera, he nui te ihirangi chromium me te nickel.
Whakamātautau Waipūmau Paipa Kowiri tira:
E mōhiotia ana te Kowiri tira 309 mō tōna ātete wera tino pai, he mea pai mō ngā tono e pāngia ana e te pāmahana teitei. He pai te ātete o te koranu ki te waikura, inā koa i roto i ngā taiao waikura ngawari. Ko te nui o te chromium me te nickel ka whai wāhi ki te ātete waikura me te kaha pāmahana teitei o te koranu. Ko te kupu "tuitui" e tohu ana ka hangaia te ngongo me te kore he hononga whakarewa. He pai ake ngā ngongo tuitui i roto i ngā tono pēhanga teitei me te pāmahana teitei nā te mea he rite te hanganga. Ka kitea ngā tono o ngā Ngongo Kowiri tira 309 Tuitui i roto i ngā ahumahi maha, tae atu ki te rererangi, te tukatuka matū, te tukatuka wera, me te maha atu, i ngā wāhi e pāngia ana e ngā pāmahana teitei me ngā taiao waikura.
Ngā Whakatakotoranga o te paipa 309:
| Tau | 309,309s |
| Ngā Whakatakotoranga | ASTM A/ASME SA213 / A249 / A269 |
| Roa | Takitahi Matapōkere, Takirua Matapōkere me te Roa Tapahi. |
| Rahi | 10.29 WH (mm) – 762 WH (mm) |
| Matotoru | 0.35 OD (mm) ki te 6.35 OD (mm) te matotoru mai i te 0.1mm ki te 1.2mm. |
| Rārangi Mahi | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Momo | Kore-tuitui / ERW / Whakarewa / Hangaia |
| Puka | Ngongo Porowhita, Ngongo Ritenga, Ngongo Tapawhā, Ngongo Tapawhā |
| Rauemi Mata | POSCO, Baosteel, TISCO, Saky Steel, Outokumpu |
Paipa Kowiri tira 309 Ētahi atu momo:
Te Hanganga Matū o ngā Ngongo Kowiri tira 309:
| Tau | C | Si | Mn | S | P | Cr | Ni |
| 309 | 0.20 | 1.0 | 2.0 | 0.030 | 0.045 | 18~23 | 8-14 |
Ngā Āhuatanga Hangarau o ngā Ngongo Kowiri tira 309:
| Tau | Kaha Kume (MPa) min | Te roa (% i roto i te 50mm) min | Kaha Hua 0.2% Whakamātautau (MPa) min | Rockwell B (HR B) mōrahi | Brinell (HB) mōrahi |
| 309 | 620 | 45 | 310 | 85 | 169 |
Ngā Tākai a SAKY STEEL:
1. He mea nui te tākai, inā koa mō ngā tukunga o tāwāhi e haere ana ngā uta mā roto i ngā huarahi rerekē kia tae atu ki te ūnga whakamutunga, nō reira ka tino aro nui mātou ki te tākai.
2. He maha ngā huarahi e tākai ai a Saky Steel i ā mātou taonga, e ai ki ngā hua. He maha ngā huarahi e tākai ai mātou i ā mātou hua, pērā i,
