Nickel and Nickel Alloy Welding Electrode
Ni307-7
GB/T ENi6152
AWS A5.11 ENiCrFe-7
Whakaahuatanga: Ko te Ni307-7 he electrode i runga i te nikel 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.Ko te konganuku kua whakatakotohia he taonga miihini pumau me te pai o te waikura ki rotote whakawera teitei me te hau whanariki kei roto.
Whakamahinga: I whakamahia i roto i te miihini karihi, te waikawa pungatara, te waikawa nitric me nga taputapu hangahanga hauwai fluorine, penei i te nickel 690 alloy, ASTM B166, B167, b168, me etahi atu, ka taea hoki te whakamahi mo te whakapiri i te rino nickel-chromium me te kowiri tira me te waikura papa. - paparanga ātete ki runga maitai.
Te hanganga matū o te whakarewa whakarewa(%):
| C | Mn | Fe | Si | Ni | Cr |
| ≤0.05 | ≤5.0 | 7.0 ~ 12.0 | ≤0.8 | ≥50.0 | 28.0 ~ 31.5 |
| Cu | Mo | Nb | S | P | Ētahi atu |
| ≤0.5 | ≤0.5 | 1.0 ~ 2.5 | ≤0.015 | ≤0.020 | ≤0.5 |
Nga ahuatanga miihini o te whakarewa whakarewa:
| Tuemi whakamatautau | Te kaha tensile Mpa | Te kaha tuku Mpa | Te whakaroa % |
| Ka whakamanahia | ≥550 | ≥360 | ≥27 |
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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