Disgrifiadau
Aloi | Adeiladu llinyn safonol, mm | Gwrthiant, ω/m | Enwol diamedr llinyn, mm | Metr y cilo |
NICR 80/20 | 19 × 0.544 | 0.233-0.269 | 26 | |
NICR 80/20 | 19 × 0.61 | 0.205-0.250 | ||
NICR 80/20 | 19 × 0.523 | 0.276-0.306 | 2.67 | 30 |
NICR 80/20 | 19 × 0.574 | 2.87 | 25 | |
NICR 80/20 | 37 × 0.385 | 0.248-0.302 | 2.76 | 26 |
NICR 60/15 | 19 × 0.508 | 0.286-0.318 | ||
NICR 60/15 | 19 × 0.523 | 0.276-0.304 | 30 | |
Ni | 19 × 0.574 | 0.020-0.027 | 2.87 | 21 |
Manylion
Priodweddau/Gradd | Cr20ni80 | Cr30ni70 | Cr15ni60 | Cr20ni35 | Cr20ni30 | |
Prif Gyfansoddiad Cemegol | Ni | Gorffwysa ’ | Gorffwysa ’ | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | |
Fe | ≤ 1.0 | ≤ 1.0 | Gorffwysa ’ | Gorffwysa ’ | Gorffwysa ’ | |
Max. temp gwasanaeth parhaus. o elfen | 1200 | 1250 | 1150 | 1100 | 1100 | |
Gwrthsefyll ar 20oC (μ ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
Dwysedd (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Dargludedd thermol (kj/m · h · oc) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Cyfernod ehangu llinellau (α × 10-6/oc) | 18 | 17 | 17 | 19 | 19 | |
Pwynt toddi (tua) (OC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Elongation ar Rupture (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
Micrograffig | austenite | austenite | austenite | austenite | austenite | |
Priodweddau Magnetig | nonmagnetig | nonmagnetig | nonmagnetig | nonmagnetig | nonmagnetig |
Gyfansoddiad cemegol | Nicel, crôm |
Cyflyrasoch | Lliw llachar/asid gwyn/ocsidiedig |
Raddied | NI80CR20, NI70/30, NI60CR15, NI60CR23, NI35CR20FE, NI30CR20 NI80, NI70, NI60, NI40, |
Manteision | Mae strwythur metelegol Nichrome yn eu rhoi plastigrwydd da iawn iddynt pan yn oer. |
Nodweddion | Perfformiad sefydlog; Gwrth-ocsidiad; Ymwrthedd cyrydiad; Sefydlogrwydd tymheredd uchel; Gallu rhagorol sy'n ffurfio coil; Cyflwr arwyneb unffurf a hardd heb smotiau. |