Nickel Chromium Resistance Alloy Resistohm 40 Resistance Ribbon Ni40cr20 hluav taws xob cua sov hlau
Ni40Cr20yog ib qho austenitic nickel-chromium alloy (NiCr alloy) rau kev siv ntawm qhov kub txog li 1100 ° C (2010 ° F). Cov alloy no yog tus cwj pwm los ntawm kev tiv taus siab thiab kev tiv taus oxidation zoo. Nws muaj kev ua haujlwm zoo tom qab siv thiab weldability zoo heev.
Cov ntawv thov ib txwm muaj rauNi40Cr20yog cov cua sov cia khoom hmo ntuj, cov cua sov convection, cov rheostats hnyav thiab cov cua sov kiv cua. Cov hlau no kuj siv rau kev cua sov cov cables thiab cov cua sov hlua hauv cov khoom defrosting thiab de-icing, cov pam hluav taws xob thiab cov ntaub qhwv, lub rooj zaum hauv tsheb, cov cua sov baseboard thiab cov cua sov hauv pem teb, cov resistors.
TSHUAJ TXHUAM XYUAS
| C% | Si% | Mn% | Cr% | Ni% | Fe% | |
| Cov Qauv Nominal | Bal. | |||||
| Tsawg kawg | - | 1.6 | - | 18.0 | 34.0 | |
| Qhov siab tshaj plaws | 0.10 | 2.5 | 1.0 | 21.0 | 37.0 |
COV KHOOM SIV TXUJ CI
| Qhov Loj Hlau | Lub zog tawm los | Lub zog tensile | Kev ntev | Qhov nyuaj |
| Ø | Rρ0.2 | Rm | A | |
| mm | Mpa | MPa | % | Hv |
| 1.0 | 340 | 675 | 25 | 180 |
| 4.0 | 300 | 650 | 30 | 160 |
COV KHOOM SIV LUB CEV
| Qhov ceev g/cm3 | 7.90 |
| Hluav taws xob resistivity ntawm 20 ° C Ω mm / m | 1.04 |
| Qhov kub siab tshaj plaws siv °C | 1100 |
| Qhov kub yaj °C | 1390 xyoo |
| Khoom Siv Sib Nqus | Tsis yog-Sib nqus |
Qhov kub thiab txias ntawm kev tiv taus
| Kub thiab txias °C | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | 1100 |
| Ct | 1.03 | 1.06 | 1.10 | 1.112 | 1.15 | 1.17 | 1.19 | 1.04 | 1.22 | 1.23 | 1.24 |
COEFFICIENT NTAWM THERMAL EXPANSION
| Kub thiab txias °C | Kev Nthuav Dav Kub x 10-6 / K |
| 20-250 | 16 |
| 20-500 | 17 |
| 20-750 | 18 |
| 20-1000 | 19 |
150 0000 2421