詳細介紹 產品說明 牌 號Cr20Ni80Cr15Ni60GH140Cr25Ni20Si2主要化學成分%Cr20152024.5AI--0.35-Fe--RestRestReRestRestRestRest 元件zui高使用溫度℃1200115011001100熔點℃1400140014001400密度g/cm38.38.28.18.1電阻率μΩ·m,20℃1.091.111.040.98抗拉強度Mpa750750750750延伸率%25252525反復彎曲次數>5>5>5>5快速壽命h/℃50505050磁性NilWeakWeakNil三、設計參數 線徑mm截面積mm2每米表面積cm2/mCr20Ni80Cr15Ni60Cr25Ni20Si2每米重量kg/m每米電阻Ω/m,20℃每米重量kg/m每米電阻Ω/m,20℃每米重量kg/m每米電阻Ω/m,20℃850.32514170.02174120.02214100.01957.544.22363670.02473620.02513600.0222738.52203190.02833160.02883100.02556.533.22042750.03282720.03352700.0295628.31882350.03862320.03932290.03475.523.81731970.04591950.04671900.0412519.61571630.05551610.05651580.04994.515.91411320.06851300.06981250.0616412.61261040.08671030.0883980.07803.59.6211079.90.11378.90.115750.101937.0794.258.70.154580.157510.13862.54.9178.540.70.22240.30.22636.50.199623.1462.826.10.34725.80.353200.31191.51.7747.121.10.42814.50.62811.50.5546 三、產品規格 冷拉合金線材直徑φ1.0-φ10.0mm熱軋合金盤元直徑φ8.0-φ12.0mm冷軋合金帶材厚度0.5-3.5mm 寬度5.0-45.0mm熱軋合金帶材厚度3.0-6.0mm 寬度12.0-45.0mm繞軸光亮細絲直徑φ0.1-φ1.0mm繞軸光亮扁絲厚度0.08-1.50mm 寬度0.5-5.0mm 四、注意事項1、電爐絲在設計時應根據功率接線方法,合理的表面負荷,正確選用絲徑;2、電爐絲在安裝前應對爐膛全面檢查,清除鐵素體,結碳,與電爐上接觸的隱患,避免短路,以防造成爐絲擊穿;3、電爐絲在安裝時應按設計的接線方法正確連接;4、在使用電爐絲前應檢查控溫系統的靈敏度,以防溫失靈,造成電爐絲燒毀。