Pereti Kowiri tira 431
Whakaahuatanga Poto:
He kowiri tira martensitic te kowiri tira 431, he tino ātete ki te waikura, he pakari, he kaha hoki ki te kume. Kei te wātea ngā pereti kowiri tira 431 i roto i ngā rahi me ngā matotoru rerekē, ā, ka taea te whakarite kia tutuki ai ngā whakaritenga motuhake o te kaupapa.
| Whakaaturanga Ratonga Kotahi mō ngā Pereti Kowiri tira 431: |
Kei te wātea ngā pereti maitai kore waikura 431 i roto i ngā rahi me ngā matotoru rerekē, ā, ka taea te whakarite kia tutuki ai ngā whakaritenga motuhake o te kaupapa. E mōhiotia ana ēnei pereti mō tō rātou kaha ki te tu atu i ngā pāmahana teitei me tō rātou ātete ki te tauine i ngā pāmahana tae atu ki te 800°C. He pai hoki mō ngā tono e hiahia ana ki te whakakotahitanga o te ātete waikura me ngā āhuatanga miihini teitei.
| Ngā Whakatakotoranga o te 431pepa kowiri tira: |
| Tau | 431 |
| Whānui | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, me ētahi atu |
| Roa | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, me ētahi atu |
| Matotoru | 0.25 mm ki te 200 mm |
| Hangarau | Pereti hurihuri wera (HR), Pepa hurihuri matao (CR) |
| Whakaotinga Mata | 2B, 2D, BA, Nama 1, Nama 4, Nama 8, 8K, whakaata, raina makawe, pupuhi onepu, Paraihe, SATIN (Kua pania ki te kirihou) me ētahi atu. |
| Rauemi Mata | POSCO, Baosteel, TISCO, Saky Steel, Outokumpu |
| Puka | Ngā koiri, ngā pepa whakarewa, ngā rōra, te pepa ma, te pepa whakakikorua, te pepa poka, te pereti whakairo, te rīpene, ngā papatahi, me ētahi atu. |
| 431 Ngā tohu ōrite o te pereti: |
| Tau | UNS | Nama WERKSTOFF | JIS | BS |
| 431 | S43100 | 1.4057 | SUS431 | 431S29 |
| 431 Ngā Pepa, Ngā Pereti Te Hanganga Matū me ngā Āhuatanga Hangarau (te maitai saky): |
| Tau | C | Mn | Si | P | S | Cr | Ni |
| 431 | 0.20 mōrahi | 1.00 mōrahi | 1.00 mōrahi | 0.040 mōrahi | 0.03 mōrahi | 15.00 – 17.00 | 1.25 – 2.5 |
| Kaha Kume | Kaha Hua (0.2% Whakakorenga) | Te whakaroa |
| 655-850Mpa | 485Mpa | 20% |
| He aha i whiriwhiri ai mātou: |
1. Ka taea e koe te tiki i te rauemi tino tika e ai ki ō hiahia i te utu iti rawa.
2. Kei a mātou anō ngā utu tuku Reworks, FOB, CFR, CIF, me te tatau ki te tatau. Ka tūtohu mātou kia mahi koe i tētahi kirimana utu iti mō te tuku, ā, he tino ohanga tēnei.
3. Ka taea te manatoko i ngā rauemi e tukuna ana e mātou, mai i te tiwhikete whakamātautau rauemi mata ki te tauākī whakamutunga mō ngā āhuatanga. (Ka whakaatuhia ngā pūrongo mēnā e hiahiatia ana)
4. te taurangi ki te tuku whakautu i roto i ngā haora 24 (i taua haora anō)
5. Whakaratohia te pūrongo SGS TUV.
6. E tino whakapau kaha ana mātou ki te tautoko i ā mātou kiritaki. Mēnā kāore e taea te whakatutuki i ō hiahia i muri i te tirotiro i ngā kōwhiringa katoa, e kore mātou e tinihanga i a koe mā te whakaputa kupu whakaari teka, ka waihanga hononga pai ki ngā kiritaki.
7. Whakaratohia he ratonga kotahi-mutu.
| Te Whakapūmau Kounga a SAKY STEEL (tae atu ki ngā mea e rua: Whakangaro me te Kore-Whakangaro): |
1. Whakamātautau Ahu Tirohanga
2. Te tirotiro ā-ringa pēnei i te kume, te whakaroa me te whakaiti i te horahanga.
3. Tātaritanga pānga
4. Tātaritanga whakamātautau matū
5. Whakamātautau mārō
6. Whakamātautau tiaki poka
7. Whakamātautau Whakauru
8. Whakamātautau Waikura Ā-Whānui
9. Whakamātautau Pakari
10. Whakamātautau Whakamātautau Metallography
| 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,
