Irahiko Whakarewa Kowiri tira
A212
GB/T E318-16
AWS A5.4 E318-16
Whakaahuatanga: Ko te A212 he hiko kowiri tira iti-waro Cr18Ni12MoNb me te whakau kei roto he niobium me te paninga titanium-konupūmā. Ka taea te whakamahi mō te AC me te DC me te mahi whakahaere tino pai. He pai ake te mahi waikura intergranular o te konganuku kua whakatakotoria i te A202 me te A207.
Taupānga: Whakamahia mō te whakarewa i ngā hanganga kowiri tira nui o te 06Cr17Ni12Mo2, te waro iti rawa o te Cr17Ni14Mo2 me ētahi atu hanganga kowiri tira, pērā i te pourewa hanga urea, ngā taputapu vinylon me ētahi atu wāhanga e pāngia ana e te waikura kaha.
Te hanganga matū o te konganuku whakarewa (%):
| C | Mn | Si | Cr | Ni | Nb | Mo | Cu | S | P |
| ≤0.08 | 0.5 ~ 2.5 | ≤0.90 | 17.0 ~ 20.0 | 11.0 ~ 14.0 | 6 XC ~ 1.00 | 2.0 ~ 3.0 | ≤0.75 | ≤0.030 | ≤0.040 |
Ngā āhuatanga hangarau o te konganuku whakarewa:
| tūemi whakamātautau | Te kaha o te kume Mpa | Te whakaroa % |
| Kua whakamanahia | ≥550 | ≥25 |
Iahiko e taunakitia ana:
| Te whānui o te tokotoko （mm） | 2.0 | 2.5 | 3.2 | 4.0 | 5.0 |
| Iahiko Whakarewa （A） | 25 ~ 50 | 50 ~ 80 | 80 ~ 110 | 110 ~ 160 | 160 ~ 200 |
Pānui:
1. Me tunu te hiko mō te 1 hāora i te pāmahana tata ki te 150℃ i mua i te mahi whakarewa;
2. Nā te mea he papaku te hohonutanga o te urunga i te wā e whakarewahia ana te hiko AC, me whakamahi te pūtake hiko DC kia hohonu ake te urunga, ā, kaua hoki te iahiko e nui rawa kia kore ai e whero te tokotoko whakarewa;
3. Ko te ātete ki te waikura o te konganuku kua whakatakotoria ka whakatauhia e te whakaaetanga takirua o te tuku me te tono.
I whakatūria a Wenzhou Tianyu Electronic Co., Ltd. i te tau 2000. Neke atu i te 20 tau mātou e mahi ana i te hanga i ngā irahiko whakarewa, ngā tokotoko whakarewa, me ngā taputapu whakarewa.
Ko ā mātou hua matua ko ngā irahiko whakarewa kowiri tira, ngā irahiko whakarewa maitai waro, ngā irahiko whakarewa koranu iti, ngā irahiko whakarewa mata, ngā irahiko whakarewa koranu nikara me te kobalta, ngā waea whakarewa maitai ngawari me te koranu iti, ngā waea whakarewa koranu kore waikura, ngā waea whakaheke hau-ārai, ngā waea whakarewa konumohe, ngā waea whakarewa pewa ruku. ngā waea, ngā waea whakarewa koranu nikara me te kobalta, ngā waea whakarewa parahi, ngā waea whakarewa TIG me te MIG, ngā irahiko tungsten, ngā irahiko keri waro, me ētahi atu taputapu whakarewa me ngā taonga pau.
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