鋼電加熱管

四. 鋼 管 類 1.量表計算(熱彎,高溫鎂砂配鎳鉻絲) 2.鋼管常用規格及整形后外形尺寸: 鋼管(304,316)一般用Φ7.94X0.5 縮到Φ6.6 X 0.5 (最小R8) 縮管率:1.16~1.18 縮管電阻系數: Φ0.25~Φ0.29一般為1.36~1.38 Φ0.30~Φ0.32一般為1.34~1.36 Φ0.32~Φ0.35一般為1.32~1.34 Φ0.35~Φ0.40一般為1.30~1.32 Φ7.94×0.5縮到Φ6.6X0.5 (最小R13.5) 縮管率:1.16~1.18 Φ9.5×0.5縮到Φ8.0X0.5 (最小R13.5) 縮管率:1.15~1.16 縮管電阻系數:1.12~1.15 3.常用鎂砂及發熱絲(發熱絲一般均用Cr20Ni80 產地一般為上海宇宙和北京首剛) U-00P1—產地:進口 價格:8000/噸 特性:高溫,易吸潮 Three. Four. Steel tube sheet calculation class 1 (bending, high-temperature magnesia with nichrome wire) dimension common specifications and plastic 2 pipe: steel pipe (304316) is generally used Φ 7.94X0.5 Φ 6.6 X 0.5 (reduced to the minimum R8) pipe shrinkage rate: 1.16~1.18 pipe resistance coefficient: Φ 0.25~ Φ 0.29 general 1.36~1.38 Φ 0.30~ Φ 0.32 general 1.34~1.36 Φ 0.32~ Φ 0.35 general 1.32~1.34 Φ 0.35~ Φ 0.40 general 1.30~1.32 Φ 7.94×0.5 Φ 6.6X0.5 (reduced to the minimum R13.5) pipe shrinkage rate: 1.16~1.18 Φ 9.5×0.5 Φ 8.0X0.5 (reduced to the minimum R13.5) pipe shrinkage rate: 1.15~1.16 pipe resistance coefficient: 1.12~1.15 3 common magnesia and heater (heating wire are generally used for Cr20Ni80 production for Shanghai and Beijing Shougang universe) U-00P1 – origin: import prices: 8000/ tons of characteristics: high temperature, easy to absorb moisture and drying tube (140 ° C-160 ° C400min
鋼電加熱管