Kev piav qhia
Chemical Composition thiab Propertes: | ||||
Propertes / Qib | NiCr 80/20 | NCV 70/30 | NCV 60/15 | |
Lub ntsiab Chemical Composition (%) | Ni | Bal. | Bal. | 55.0-61.0 Nws |
Cr | 20.0-23.0 Nws | 28.0-31.0 Nws | 15.0-18.0 Nws | |
Fe | ≤ 1.0 | ≤ 1.0 | Bal. | |
Max ua haujlwm kub (ºC) | 1200 | 1250 | 1150 | |
Resistivity ntawm 20ºC (μ Ω·m) | 1.09 Nws | 1.18 | 1.12 | |
Qhov ceev (g / cm3) | 8.4 | 8.1 | 8.2 | |
Thermal conductivity (KJ / m · h · ºC) | 60.3 | 45.2 ib | 45.2 ib | |
Coefficient ntawm Thermal Expansion (α × 10-6 / ºC) | 18 | 17 | 17 | |
Melting Point (ºC) | 1400 | 1380 | 1390 ib | |
Elongation (%) | > 20 | > 20 | > 20 | |
Micrographic Structure | austenite | austenite | austenite | |
Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic |
Propertes / Qib | NiCr 35/20 | NiCr 30/20 | Karma | Evanohm | |
Main tshuaj Kev sib xyaw (%) | Ni | 34.0-37.0 Nws | 30.0-34.0 Nws | Bal | Bal |
Cr | 18.0-21.0 Nws | 18.0-21.0 Nws | 19.0-21.5 Nws | 19.0-21.5 Nws | |
Fe | Bal. | Bal. | 2.0-3.0 Nws | - | |
Max ua haujlwm kub (ºC) | 1100 | 1100 | 300 | 1400 | |
Resistant ntawm 20ºC (μΩ · m) | 1.04 ib | 1.04 ib | 1.33 | 1.33 | |
Qhov ceev (g / cm3) | 7.9 ib | 7.9 ib | 8.1 | 8.1 | |
Thermal conductivity (KJ/m· h· ºC) | 43.8 ib | 43.8 ib | 46 | 46 | |
Coefficient ntawm Thermal Kev nthuav dav (α × 10-6 / ºC) | 19 | 19 | - | - | |
Melting Point (ºC) | 1390 ib | 1390 ib | 1400 | 1400 | |
Elongation (%) | > 20 | > 20 | 10-20 | 10-20 | |
Micrographic Structure | austenite | austenite | austenite | austenite | |
Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic |
Tshuaj muaj pes tsawg leeg | Nickel 80%, Chrome 20% |
Qhov xwm txheej | Bright / Acid dawb / Oxied Xim |
Txoj kab uas hla | 0.018mm ~ 1.6mm hauv spool, 1.5mm-8mm packing hauv coil, 8 ~ 60mm hauv pas nrig |
Nichrome Round Hlau | Txoj kab uas hla 0.018mm ~ 10mm |
Nichrome Ribbon | Dav 5 ~ 0.5mm, thickness 0.01-2mm |
Nichrome Sawb | Dav 450mm ~ 1mm, thickness 0.001m ~ 7mm |
Txoj kab uas hla | 1.5mm-8mm packing nyob rau hauv kauj, 8 ~ 60mm hauv pas nrig |
Qib | Ni80Cr20, Ni70/30, Ni60Cr15, Ni60Cr23, Ni35Cr20Fe, Ni30Cr20 Ni80, Ni70, Ni60, Ni40, |
Qhov zoo | Lub metallurgical qauv ntawm nichrome confers lawv ib tug zoo heev plasticity thaum txias. |
Yam ntxwv | Kev ua haujlwm ruaj khov; Anti-oxidation; Corrosion tsis kam; Kub kub stability; Zoo heev coilforming peev xwm; Uniform thiab zoo nkauj saum npoo yam tsis muaj pob. |
Kev siv | Resistance cua sov ntsiab; Khoom siv hauv metallurgy, Cov khoom siv hauv tsev; Mechanical manufacturing thiab lwm yam kev lag luam. |