мягкая CuNi44 сплава электрическое отопление проволока

the characteristics of product: small resistance temperature coefficient;good stability; high mechanical strength. It can be used into circuit breakers,thermal overload relay. It is one of the key materials in the low-voltage electrical products. My company can provide good products. Pass:ISO9001:2008 SpeciesPerformanceNC003NC005NC010NC012MC012NC015NC020NC025NC030NC035NC040NC050Main Chemical ComponentsNi1268-1014.21923303444Mn----3-0.30.50.51.01.01.0CurestrestrestrestrestrestrestrestrestrestrestrestMax.continuous service temp.of element(°C)-200220250200250300300300350350400Melting point(°C)108510901095109710501100111511351150117011801280Density(g/cm3)8.98.98.98.98.88.98.98.98.98.98.98.9Resistivity at20°C(μΩm)0.03±10%0.05 ±10%0.10 ±10%0.12±10%0.12±10%0.15±10%0.20±5%0.25±5%0.30±5%0.35±5%0.40±5%0.49±5%Tensile strength (Mpa)≥210≥220≥250≥270≥290≥290≥310≥340≥350≥400≥400≥420Elongation at repture%(Φ>1.0)≥25≥25≥25≥25≥25≥25≥25≥25≥25≥25≥25≥25Resistance temp. coefficient<100<120<60<57<38<50<38<25<16<10<-0<-6Thermal EMF to copper(μV/0 100°C)-8-12-18-22--25-28-32-34-37-39-43package: coil,spool,wooden case ,carton Spools have different weights as follows: The weight of one spool:3-4KG, 4-6KG, 7-10KG, 15-25KG