Irahiko Whakarewa Mata Mārō
Paerewa: DIN 8555 (E6-UM-60)
Momo Nama: TY-C DUR 600
Whakatakotoranga me te Whakamahinga：
· He hiko SMAW paninga taketake mō te mata mārō.
· He ātete tino pai ki ngā ahotea me ngā pānga pēhanga.
· He mea whakamahi whānui mō te whakakikorua i ngā wāhanga o te maitai, te maitai whakarewa me te maitai Mn-nui, ka pāngia i te wā kotahi e te karawarawa, te pānga me te pēhanga. Ko ngā mara whakamahinga noa ko te umanga neke whenua me te maimoatanga kōhatu, hei tauira, ngā niho keri, ngā maripi peere, ngā kauae me ngā koeko kuru, ngā hama mira me ētahi atu.
Te hanganga matū o te konganuku kua whakatakotoria (%):
|
| C | Si | Mn | Cr | Mo | Nb | Ni | W | V | Fe |
| DIN | 0.2 2.0 | - | - | 5.0 - | - | - | - | - | - | Para. |
| EN | 0.2 2.0 | - | 0.3 3.0 | 5.0 18.0 | - 4.5 | - 10 | - | - 2.0 | - 2.0 | Para. |
| Noa | 0.50 | 2.3 | 1.80 | 9.0 | - | - | - | - | - | Para. |
Te pakeke o te konganuku kua whakatakotoria:
| I te mea kua whakarewahia (HRC) | I muri i te whakamahana ngohengohe 780-820 ℃/oumu (HRC) | I muri i te whakapakeketanga 1000-1050℃/hinu (HRC) | 1 paparanga ki runga maitai-Mn teitei (HRC) | 2 paparanga ki runga maitai-Mn teitei (HRC) |
| 56 – 58 | 25 | 60 | 22 | 40 |
Ngā Āhuatanga Whānui:
· Hanganga Moroiti Martensitic
· He pai te mahi miihini me ngā taputapu he mata he kāpira Tungsten
· Te Whakamahana i mua Whakamahanahia ngā wāhanga taumaha me ngā maitai kaha ake te kukū ki te 200-350℃
· Whakamaroketia anō mō te 2 hāora i te 300℃ i mua i te whakamahinga.
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