Disgrifiad
Cyfansoddiad Cemegol a Phriodweddau: | ||||
Priodweddau/Gradd | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | |
Prif Gyfansoddiad Cemegol(%) | Ni | Bal. | Bal. | 55.0-61.0 |
Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | |
Fe | ≤ 1.0 | ≤ 1.0 | Bal. | |
Tymheredd Gweithio Uchaf (ºC) | 1200 | 1250 | 1150 | |
Gwrthiant ar 20ºC(μ Ω · m) | 1.09 | 1.18 | 1.12 | |
Dwysedd(g/cm3) | 8.4 | 8.1 | 8.2 | |
Dargludedd Thermol(KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 | |
Cyfernod Ehangu Thermol(α × 10-6/ºC) | 18 | 17 | 17 | |
Pwynt toddi(ºC) | 1400 | 1380. llarieidd-dra eg | 1390 | |
elongation(%) | >20 | >20 | >20 | |
Strwythur Micrograffig | austenite | austenite | austenite | |
Eiddo Magnetig | anfagnetig | anfagnetig | anfagnetig |
Priodweddau/Gradd | NiCr 35/20 | NiCr 30/20 | Karma | Evanohm | |
Prif Gemegol Cyfansoddiad(%) | Ni | 34.0-37.0 | 30.0-34.0 | Bal | Bal |
Cr | 18.0-21.0 | 18.0-21.0 | 19.0-21.5 | 19.0-21.5 | |
Fe | Bal. | Bal. | 2.0-3.0 | - | |
Tymheredd Gweithio Uchaf (ºC) | 1100 | 1100 | 300 | 1400 | |
Gwrthiant ar 20ºC (μ Ω · m) | 1.04 | 1.04 | 1.33 | 1.33 | |
Dwysedd(g/cm3) | 7.9 | 7.9 | 8.1 | 8.1 | |
Dargludedd Thermol (KJ/m· h· ºC) | 43.8 | 43.8 | 46 | 46 | |
Cyfernod Thermol Ehangu (α × 10-6/ºC) | 19 | 19 | - | - | |
Pwynt toddi(ºC) | 1390 | 1390 | 1400 | 1400 | |
elongation(%) | >20 | >20 | 10-20 | 10-20 | |
Strwythur Micrograffig | austenite | austenite | austenite | austenite | |
Eiddo Magnetig | anfagnetig | anfagnetig | anfagnetig | anfagnetig |
Cyfansoddiad Cemegol | Nicel 80%, Chrome 20% |
Cyflwr | Lliw gwyn llachar / asidig / ocsidiedig |
Diamedr | 0.018mm ~ 1.6mm mewn sbŵl, pacio 1.5mm-8mm mewn coil, 8 ~ 60mm mewn gwialen |
Gwifren Rownd Nichrome | Diamedr 0.018mm ~ 10mm |
Rhuban Nichrome | Lled 5 ~ 0.5mm, trwch 0.01-2mm |
Llain Nichrome | Lled 450mm ~ 1mm, trwch 0.001m ~ 7mm |
Diamedr | Pacio 1.5mm-8mm mewn coil, 8 ~ 60mm mewn gwialen |
Gradd | Ni80Cr20, Ni70/30, Ni60Cr15, Ni60Cr23, Ni35Cr20Fe, Ni30Cr20 Ni80, Ni70,Ni60, Ni40, |
Mantais | Strwythur metelegol nichrome yn rhoi plastigrwydd da iawn iddynt pan fyddant yn oer. |
Nodweddion | Perfformiad sefydlog; Gwrth-ocsidiad; Gwrthiant cyrydiad; Sefydlogrwydd tymheredd uchel; Gallu coilforming ardderchog; Cyflwr wyneb unffurf a hardd heb smotiau. |
Defnydd | Elfennau gwresogi gwrthiant; Deunydd mewn meteleg, Offer cartref; Gweithgynhyrchu mecanyddol a diwydiannau eraill. |
Gwifrau Gwrthiant | ||
RW30 | W.Nr 1.4864 | Nicel 37%, Chrome 18%, haearn 45% |
RW41 | UNS N07041 | Nicel 50%, Chrome 19%, Cobalt 11%, Molybdenwm 10%, Titaniwm 3% |
RW45 | W.Nr 2.0842 | Nicel 45%, Copr 55% |
RW60 | W.Nr 2.4867 | Nicel 60%, Chrome 16%, haearn 24% |
RW60 | UNS NO6004 | Nicel 60%, Chrome 16%, haearn 24% |
RW80 | W.Nr 2.4869 | Nicel 80%, Chrome 20% |
RW80 | UNS NO6003 | Nicel 80%, Chrome 20% |
RW125 | W.Nr 1.4725 | BAL Haearn, Chrome 19%, Alwminiwm 3% |
RW145 | W.Nr 1.4767 | BAL Haearn, Chrome 20%, Alwminiwm 5% |
RW155 | BAL Haearn, Chrome 27%, Alwminiwm 7%, Molybdenwm 2% |