Irahiko Whakarewa Nikara me te Nikara
Ni327-6
GB/T ENi6620
AWS A5.11 ENiCrMo-6
Whakaahuatanga: Ko te Ni327 -6 he irahiko e hangai ana ki te nikara me te paninga konutai hauwai-iti. Whakamahia te DCEP (irahiko iahiko tika)(pai). He tino pai te kirihou, te pakari me te ātete ki te pakaru o te konganuku kua whakatakotoria. He rite te tauwehenga whānui raina o te konganuku kua whakatakotoria ki tērā o te maitai, ā, he kaha teitei, he ātete hoki ki te waikura i te pāmahana rūma me te pāmahana tiketike.
Te Whakamahinga: Ka whakamahia mō te whakarewa i te maitai Ni9%, ā, ka taea hoki te whakamahi mō te whakarewa i ngā maitai rerekē me ngā koranu uaua ki te whakarewa.
Te hanganga matū o te konganuku whakarewa (%):
| C | Mn | Si | Ni | Mo | Fe | Cu |
| ≤0.10 | 2.0 ~ 4.0 | ≤1.0 | ≥55.0 | 5.0 ~ 9.0 | ≤10.0 | ≤0.5 |
| Nb + Ta | W | Cr | S | P | Ētahi atu |
|
| 0.5 ~ 2.0 | 1.0 ~ 2.0 | 12.0 ~ 17.0 | ≤0.015 | ≤0.020 | ≤0.5 |
|
Ngā āhuatanga hangarau o te konganuku whakarewa:
| tūemi whakamātautau | Te kaha o te kume Mpa | Te kaha o te hua Mpa | Te whakaroa % |
| Kua whakamanahia | ≥620 | ≥350 | ≥32 |
Iahiko e taunakitia ana:
| Te whānui o te tokotoko （mm） | 2.5 | 3.2 | 4.0 |
| Iahiko whakarewa （A） | 50 ~ 70 | 80 ~ 100 | 110 ~ 150 |
Pānui:
1. Me tunu te hikohiko mō te 1 hāora i te pāmahana tata ki te 300℃ i mua i te mahi whakarewa. Whakamātauria te whakamahi i te pewa poto hei whakarewa;
2. He mea nui kia horoia te waikura, te hinu, te wai, me ngā poke i runga i ngā wāhanga whakarewa i mua i te whakarewa.
3. Whakamātauria te whakamahi i te pūngao aho iti i te wā e whakarewa ana, e whakarewa ana i ngā paparanga maha me ngā ara maha.
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