FeCrAl A1 APM AF D Gwifren drydanol sy'n gwrthsefyll gwres aloi
Ynglŷn â Resistance Heating Wire:
Ni yw'r gwneuthurwr proffesiynol mwyaf o aloi gwresogi gwrthiant yn Tsieina, sy'n arbenigo mewn gwifren Ferro-Chrome (Fe-Cr-AL), gwifren Nickel-Chrome (Nichrome), gwifren Copr Nickel (Constantan), gwifren dur di-staen a chynhyrchion cysylltiedig mewn aloion wedi'i deilwra i fodloni gofynion penodol cwsmeriaid
Manylion maint
Enw cynnyrch | Ystod maint |
Gwifren dynnu oer | Diamedr 0.03-7.5mm |
Gwialen weiren rolio poeth | Diamedr 8.0-12mm |
Rhuban | Trwch 0.05-0.35mm |
Lled 0.5.0-3.5mm | |
Stribed rholio oer | Trwch 0.5-2.5mm |
Lled 5.0-40mm | |
stribed rholio poeth | Trwch 4-6mm |
Lled 15-40mm |
paramedrau sylfaenol:
paramedrau sylfaenol | APMTM | FeCrAl | ||
A-1 | AF | D | ||
Y tymheredd gweithio uchaf parhaus | 1425. llarieidd-dra eg | 1400 | 1300 | 1300 |
Y cyfansoddiad cemegol enwol, % Cr | 22 | 22 | 22 | 22 |
AI | 5.8 | 5.8 | 5.3 | 4.8 |
Fe | cynhwysion | cynhwysion | cynhwysion | cynhwysion |
Ni | - | - | - | - |
Y gwrthedd mewn 20ºC, Ωmm-2mm-1 | 1.45 | 1.45 | 1.39 | 1.35 |
dwysedd, g/cm3 | 7.1 | 7.1 | 7.15 | 7.25 |
Cyfernod ehangu thermolK-1 20-750ºC | 14×10-6 | 14×10-6 | 14×10-6 | 14×10-6 |
20-1000ºC | 15×10-6 | 15×10-6 | 15×10-6 | 15×10-6 |
Y dargludedd thermol 20ºC, Wm-1K-1 | 13 | 13 | 13 | 13 |
Cynhwysedd gwres penodol 20ºC, KJkg-1K-1 | 0.46 | 0.46 | 0.46 | 0.46 |
Pwynt toddiºC | 1500 | 1500 | 1500 | 1500 |
Nodweddion mecanyddol yn ôl pob tebyg | ||||
Cryfder tynnol, N mm-2 | 680 | 680 | 680 | 650 |
Cryfder y cynnyrch, N mm-2 | 470 | 475 | 475 | 450 |
Caledwch, Hv | 230 | 230 | 230 | 230 |
Torri elongation, % | 20 | 18 | 18 | 18 |
Cryfder tynnol 900ºCT, N mm-2 | 40 | 34 | 37 | 34 |
Cryfder creep 800ºC | 11 | 6 | 8 | 6 |
1000ºC | 3.4 | 1 | 1.5 | 1 |
Magnetig | magnetig (Yn y tymheredd 600ºC) | |||
Emissivity, yr amodau ocsideiddio | 0.7 | 0.7 | 0.7 | 0.7 |
Manyleb:
Math Alloy | Diamedr | Gwrthedd | Tynnol | elongation(%) | Plygu | Max.Continuous | Bywyd Gwaith |
(mm) | (μΩm)(20°C) | Cryfder | Amseroedd | Gwasanaeth | (oriau) | ||
(N/mm²) | Tymheredd (°C) | ||||||
Cr20Ni80 | <0.50 | 1.09±0.05 | 850-950 | >20 | >9 | 1200 | >20000 |
0.50-3.0 | 1.13±0.05 | 850-950 | >20 | >9 | 1200 | >20000 | |
>3.0 | 1.14±0.05 | 850-950 | >20 | >9 | 1200 | >20000 | |
Cr30Ni70 | <0.50 | 1.18±0.05 | 850-950 | >20 | >9 | 1250 | >20000 |
≥0.50 | 1.20±0.05 | 850-950 | >20 | >9 | 1250 | >20000 | |
Cr15Ni60 | <0.50 | 1.12±0.05 | 850-950 | >20 | >9 | 1125. llarieidd-dra eg | >20000 |
≥0.50 | 1.15±0.05 | 850-950 | >20 | >9 | 1125. llarieidd-dra eg | >20000 | |
Cr20Ni35 | <0.50 | 1.04±0.05 | 850-950 | >20 | >9 | 1100 | >18000 |
≥0.50 | 1.06±0.05 | 850-950 | >20 | >9 | 1100 | >18000 | |
1Cr13Al4 | 0.03-12.0 | 1.25±0.08 | 588-735 | >16 | >6 | 950 | >10000 |
0Cr15Al5 | 1.25±0.08 | 588-735 | >16 | >6 | 1000 | >10000 | |
0Cr25Al5 | 1.42±0.07 | 634-784 | >12 | >5 | 1300 | >8000 | |
0Cr23Al5 | 1.35±0.06 | 634-784 | >12 | >5 | 1250 | >8000 | |
0Cr21Al6 | 1.42±0.07 | 634-784 | >12 | >5 | 1300 | >8000 | |
1Cr20Al3 | 1.23±0.06 | 634-784 | >12 | >5 | 1100 | >8000 | |
0Cr21Al6Nb | 1.45±0.07 | 634-784 | >12 | >5 | 1350 | >8000 | |
0Cr27Al7Mo2 | 0.03-12.0 | 1.53±0.07 | 686-784 | >12 | >5 | 1400 | >8000 |
Mantais:
Aloi Nickelchromium gydag ymwrthedd uchel a sefydlog, ymwrthedd cyrydiad, ymwrthedd ocsideiddio arwyneb yn dda, yn well o dan dymheredd uchel a chryfder seismig, hydwythedd da, ymarferoldeb da a weldadwyedd.