Nickel meNickel Alloy Welding Electrode
Ni307-4
GB/T ENi6093
AWS A5.11 ENiCrFe-4
Whakaahuatanga: Ko te Ni307-4 he electrode i runga i te nickel me te paninga konutai iti-hydrogen.Whakamahia te DCEP (direct current electrodepai).He pai rawa te mahi fehokotaki'anga me te mura o te arc, he iti ake te mokamoka, he ngawari te tango para,
me te paihere ataahua.
Taupānga: Kei te whakamahia mo te whakapiringa o nga koranu nickel-chromium-rino, penei i te Ni600, Ni800 / 800H me nga superalloys rite, nickel-based superalloys ranei me te wera mahi o 900 ° C. Ka taea hoki te whakamahi mo nga tira iti-mahana kei roto. Ni3% ~ 9%, penei i te ASTM A333, A334, A353, A522, Ka taea hoki te whakamahi i te whakarewatanga o te A553 mo te whakarewa whakarewa rereke i waenganui i Mo400, Ni825, he kowiri tira me te rino koranu iti.
Te hanganga matū o te whakarewa whakarewa(%):
| C | Mn | Fe | Si | Ni | Cr | Mo | Nb + Ta | S | P |
| ≤0.20 | 1.0 ~ 5.0 | ≤12.0 | ≤1.0 | ≥60.0 | 13.0 ~ 17.0 | 1.0 ~ 3.5 | 1.0 ~ 3.5 | ≤0.015 | ≤0.020 |
Nga ahuatanga miihini o te whakarewa whakarewa:
| Tuemi whakamatautau | Te kaha tensile Mpa | Te kaha tuku Mpa | Te whakaroa % |
| Ka whakamanahia | ≥650 | ≥360 | ≥18 |
O nāianei e taunaki ana:
| Te diameter o te tokotoko （mm） | 2.5 | 3.2 | 4.0 |
| Waehere naianei （A） | 60 ~ 90 | 80 ~ 110 | 110 ~ 150 |
Panui:
1. Me tunuhia te electrode mo te 1 haora i te taha o te 300 ℃ i mua i te mahi fehokotaki'anga;
2. He mea nui ki te horoi i te waikura, te hinu, te wai, me nga poke i runga i nga waahanga whakapiri i mua i te whakapiri.Ngana ki te whakamahi i te pewa poto ki te wea.
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