Irahiko Whakarewa Rino Koranu Iti
J707
GB/T E7015-D2
AWS E10015-D2
Whakaahuatanga: He hiko maitai kaha-teitei te J707, he iti-koranu te koranu, he paninga konutai hauwai-iti. Ka whakamahia te DCEP (hiko hiko au tika), ā, ka taea te whakarewa i ngā tūranga katoa. Mēnā e tika ana, ka taea te whakamahana i ngā whakarewa i mua i te whakarewa, ā, ka whakamahana i muri i te whakarewa.
Te Whakamahinga: Te nuinga o te wā e whakamahia ana mō te whakarewa i te 15MnMoV, 14MnMoVB, 18MnMoNb me ētahi atu hanganga maitai iti-koranu. Ka taea e te hanganga whakarewa te mahi i raro i te āhuatanga whakarewa, whakamahana rānei (500 ~ 650 ℃).
Te hanganga matū o te konganuku whakarewa (%):
|
| C | Mn | Si | Mo | S | P |
| Kua whakamanahia | ≤0.15 | 1.65 ~ 2.00 | ≤0.60 | 0.25 ~ 0.45 | ≤0.035 | ≤0.040 |
| Kua whakamatauria | 0.073 | 1.68 | 0.54 | 0.40 | 0.011 | 0.018 |
Ngā āhuatanga hangarau o te konganuku whakarewa:
| tūemi whakamātautau | Te kaha o te kume Mpa | Te kaha o te hua Mpa | Te whakaroa % | Uara pānga (J) -30℃ |
| Kua whakamanahia | ≥690 | ≥590 | ≥15 | ≥27 |
| Kua whakamatauria | 720 | 610 | 18.6 | — |
Te nui o te hauwai horapa o te konganuku kua whakatakotoria: ≤4.0mL/100g (tikanga kariserina)
Tirotiro hihi-X: tohu I
Iahiko e taunakitia ana:
| （mm） Te whānui o te tokotoko | 2.5 | 3.2 | 4.0 | 5.0 |
| （A） Iahiko Whakarewa | 60 ~ 100 | 100 ~ 140 | 140 ~ 190 | 190 ~ 250 |
Pānui:
1. Me tunu te hiko mō te 1 hāora i te 350 ~380℃ i mua i te mahi whakarewa;
2. He mea nui kia horoia te waikura, te unahi hinu, te wai, me ngā poke i runga i ngā wāhanga whakarewa i mua i te whakarewa;
3. Whakamahia te pewa poto i te wā e whakarewa ana. He tika te ara whakarewa whaiti.
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