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. | |
Y tymheredd gweithio mwyaf (ºC) | 1200 | 1250 | 1150 | |
Gwrthsefyll 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 | 1390 | |
Elongation (%) | > 20 | > 20 | > 20 | |
Micrograffig | austenite | austenite | austenite | |
Eiddo Magnetig | nonmagnetig | nonmagnetig | nonmagnetig |
Priodweddau/Gradd | NICR 35/20 | NICR 30/20 | Karma | Evanohm | |
Prif gemegyn Cyfansoddiad (%) | Ni | 34.0-37.0 | 30.0-34.0 | Balau | Balau |
Cr | 18.0-21.0 | 18.0-21.0 | 19.0-21.5 | 19.0-21.5 | |
Fe | Bal. | Bal. | 2.0-3.0 | - | |
Y tymheredd gweithio mwyaf (ºC) | 1100 | 1100 | 300 | 1400 | |
Gwrthsefyll 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 | |
Micrograffig | austenite | austenite | austenite | austenite | |
Eiddo Magnetig | nonmagnetig | nonmagnetig | nonmagnetig | nonmagnetig |
Gyfansoddiad cemegol | Nicel 80%, crôm 20% |
Cyflyrasoch | Lliw llachar/asid gwyn/ocsidiedig |
Diamedrau | 0.018mm ~ 1.6mm mewn sbŵl, pacio 1.5mm-8mm mewn coil, 8 ~ 60mm mewn gwialen |
Gwifren gron Nichrome | Diamedr 0.018mm ~ 10mm |
Rhuban Nichrome | Lled 5 ~ 0.5mm, trwch 0.01-2mm |
Stribed nichrome | Lled 450mm ~ 1mm, trwch 0.001m ~ 7mm |
Diamedrau | Pacio 1.5mm-8mm mewn coil, 8 ~ 60mm mewn gwialen |
Raddied | Ni80cr20, ni70/30, ni60cr15, ni60cr23, ni35cr20fe, Ni30cr20 ni80, ni70, ni60, ni40, |
Manteision | Strwythur metelegol nichrome yn eu rhoi plastigrwydd da iawn iddynt pan yn oer. |
Nodweddion | Perfformiad sefydlog; Gwrth-ocsidiad; Ymwrthedd cyrydiad; Sefydlogrwydd tymheredd uchel; Gallu coilforming rhagorol; Cyflwr arwyneb unffurf a hardd heb smotiau. |
Nefnydd | Elfennau gwresogi gwrthiant; deunydd mewn meteleg, Offer cartref; gweithgynhyrchu mecanyddol a diwydiannau eraill. |
Gwifrau Gwrthiant | ||
RW30 | W.NR 1.4864 | Nicel 37%, crôm 18%, haearn 45% |
RW41 | UNS N07041 | Nicel 50%, crôm 19%, cobalt 11%, molybdenwm 10%, titaniwm 3% |
RW45 | W.NR 2.0842 | Nicel 45%, copr 55% |
RW60 | W.NR 2.4867 | Nicel 60%, crôm 16%, haearn 24% |
RW60 | UNS NO6004 | Nicel 60%, crôm 16%, haearn 24% |
Rw80 | W.NR 2.4869 | Nicel 80%, crôm 20% |
Rw80 | UNS NO6003 | Nicel 80%, crôm 20% |
RW125 | W.NR 1.4725 | Iron Bal, Chrome 19%, Alwminiwm 3% |
RW145 | W.NR 1.4767 | Bal haearn, crôm 20%, alwminiwm 5% |
RW155 | Bal haearn, crôm 27%, alwminiwm 7%, molybdenwm 2% |