Grad tan-nikil | Ni + ko | Cu | Si | Mn | C | Cr | S | Fe | Mg |
≥ | ≤ | ||||||||
NI201 | Bal. | .25 | .3 | .35 | .02 | .2 | .01 | .3 | - |
Ni200 | Bal. | .25 | .3 | .35 | .15 | .2 | .01 | .3 | - |
Liga | Kostruzzjoni ta 'Strand Standard, MM | Reżistenza, ω / m | Dijametru tal-linja nominali, MM | Meter kull kilo |
NICR 80/20 | 18 × 0.544 + 1 × 0.574 | 0.252-0.278 | 2.67 | 26 |
NICR 80/20 | 19 × 0.61 | 0.205-0.250 | 3.05 | |
NICR 80/20 | 18 × 0.523 + 1 × 0.574 | 0.271-0.299 | 2.67 | 30 |
NICR 80/20 | 19 × 0.574 | 0.227-0.251 | 2.87 | 25 |
NICR 80/20 | 36 × 0.385 + 1 × 0.45 | 0.265-0.293 | 2.76 | 26 |
NICR 60/15 | 19 × 0.508 | 0.286-0.318 | 2.54 | |
NICR 60/15 | 18 × 0.523 + 1 × 0.574 | 0.276-0.305 | 2.76 | 30 |
Ni200 / NI201 | 19 × 0.574 | 0.019-0.021 | 2.87 | 21 |
N6 | Chromel C, Ni 60, N6, Hai-Nicr 60, Tophet C, Resistohm 60, Cronifer II, |
Electroloy, Nichrome, Alloy C, Ni 6, MWS-675, Stablohm 675 | |
N7 | Ni 70, Chromel 70/30, N7, Hytemco, Hai-Nicr 70, Balco, Tophet 30, |
Resistohm 70, Cronix 70, Stablohm 710 | |
N8 | Chromel A, Ni 80, N8, Nichrome V, Hai-Nicr 80, Tophet A, Resistohm |
80, Cronix 80, Protoloy, Ni 8, Alloy A, MWS-650, Stablohm 650 |
Propertes / Grad | CR20NI80 | CR30NI70 | CR15NI60 | CR20NI35 | CR20NI30 | |
Kompożizzjoni kimika ewlenija | Ni | Mistrieħ | Mistrieħ | 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 | Mistrieħ | Mistrieħ | Mistrieħ | |
Massimu. Temp kontinwu tas-servizz. ta 'element | 1200 | 1250 | 1150 | 1100 | 1100 | |
Reżistività f'20oC (μ ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
Densità (g / cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Konduttività termali (KJ / M · H · OC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Koeffiċjent ta 'espansjoni ta' linji (α × 10-6 / OC) | 18 | 17 | 17 | 19 | 19 | |
Punt ta 'tidwib (appross.) (OC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Titwil fil-ftuħ (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
Struttura mikrografika | Austenite | Austenite | Austenite | Austenite | Austenite | |
Propjetajiet manjetiċi | mhux magnetiku | mhux magnetiku | mhux magnetiku | mhux magnetiku | mhux magnetiku |