Cyfansoddiad Cemegol mewn %, Invar
brand | Cyfansoddiad cemegol | |||||||||
Ni | Cr | Fe | C | P | Mn | B | Al | Si | S | |
≤ | ||||||||||
4j6 | 41.5 ~ 42.5 | 5.4 ~ 6.3 | Bal | 0.05 | 0.02 | 0.25 | - | 0.2 | 0.3 | 0.02 |
4j47 | 46.8~47.8 | 0.8 ~ 1.4 | Bal | 0.05 | 0.02 | 0.40 | - | - | 0.3 | 0.02 |
4j49 | 46.0 ~ 48.0 | 5.0 ~ 6.0 | Bal | 0.05 | 0.02 | 0.40 | 0.02 | - | 0.3 | 0.02 |
Cysonion ffisegol sylfaenol a phriodweddau mecanyddol yr aloi:
brand | Dwysedd g / cm3 | gwrthedd | Pwynt Curie |
4j6 | 8.15 | 0.92 | 270 |
4j47 | 8.19 | 0.55 | 400 |
4j49 | 8.18 | 0.90 | 340 |
Cymeriad ehangu nodweddiadol (10 -6 / ºC) | ||||||||
Amrediad tymheredd | 20 ~ 100 | 20 ~ 200 | 20 ~ 300 | 20 ~ 400 | 20 ~ 500 | 20 ~ 400 | 20 ~ 550 | 20 ~ 600 |
Cyfernod ehangu | 6.8 | 7.0 | 7.7 | 9.7 | 11.7 | 3.2 | 11.7 | 12.2 |
Amrywiaethau | Math o ddur Manylebau | Manwl aloi | Aloiau Gwrthiant ar gyfer gwresogi trydanol | Aloi super | Weldio gwifren | Yn gwrthsefyll cyrydiad aloi | |
gwiail | rhodenni rholio poeth | Φ8 ~ 38mm | ar gael | ar gael | ar gael | ||
Gwiail oer | ≤50mm | ar gael | ar gael | ar gael | |||
Gwiail ffug | Φ38 ~ 350mm | ar gael | ar gael | ar gael | |||
Gwifrau | Gwifrau crwn | Φ0.3 ~ 8mm | ar gael | ar gael | ar gael | ar gael | ar gael |
Gwifrau di-gylch | Negodi | ar gael | ar gael | ar gael | |||
Stribedi | Rholio oer | 0.15 ~ 4 × 200mm | ar gael | ar gael | ar gael | ar gael | |
Rholio poeth | 4 ~ 22 × 200mm | ar gael | ar gael | ar gael | ar gael |