鎳鉻絲 鎳鉻絲主要化學(xué)成分為鎳和鉻,形狀為絲狀,因此被稱(chēng)作鎳鉻絲。鎳鉻絲又叫鎳鉻元線.? 鎳鉻絲按截面形狀可分為鎳鉻園絲、鎳鉻扁絲等。? 鎳鉻絲的牌號(hào)有:Cr20Ni80,?Cr15Ni60,Cr20Ni35,?Cr20Ni30.? 圓絲絲徑:0.03-10mm 扁帶:厚度0.05-3mm?寬度0.1-100mm
? 性能?牌號(hào)Cr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30主要化學(xué)成分Ni余量余量55.0-61.034.0-37.030.0-34.0Cr20.0-23.028.0-31.015.0-18.018.0-21.018.0-21.0Fe≤1.0≤1.0余量余量余量元件使用溫度(oC)12001250115011001100室溫電阻率(Ωmm2/m)1.091.181.121.041.04密度?(g/cm3)8.48.18.27.97.9導(dǎo)熱系數(shù)(KJ/m·h·oC)60.345.245.243.843.8熔點(diǎn)(?oC)14001380139013901390延伸率()>20>20>20>20>20微觀組織奧氏體奧氏體奧氏體奧氏體奧氏體磁性與否無(wú)無(wú)無(wú)微微.jpg)


|