上海蒙鎳特種合金有限公司為您提供cr20ni80/uns no60031.5-2.0鋼帶現貨--蒙鎳合金銷售部。cr20ni80/uns no60031.5-2.0鋼帶現貨--蒙鎳合金銷售部
cr20ni80/2.4869/uns n06003/nicr8020/nicr20電阻電熱合金
cr20ni80是電阻電熱合金，此類合金組織穩定，電氣物理性穩定、高溫力學好，冷變形塑性好，焊接性好，長期使用不會產生脆性斷裂。多用于制造家用電器和工作溫度在1000℃以下的加熱元件，使用---。
執行標準gb/t1234-2012
c ≤0.08%；
mn ≤0.6%；
p ≤0.02%；
s ≤0.015%；
si：0.75－1.60%；
cr：20.0－23.0%；
ni：余量。
fe ≤ 1.0%
al≤ 0.5%
元件---使用溫度 1200℃
快速壽命:不小于80h
熔點 1400℃
密度 8.4克/立方厘米
電阻率:軟態絲材
公稱直徑<0.50mm 1.09±0.05μω m (20℃)
公稱直徑0.50～3.00mm 1.13±0.05μω m (20℃)
公稱直徑>3.00mm 1.14±0.05μω m (20℃)
軟態帶材
合金帶厚度≤0.80mm 1.09±0.05μω m (20℃)
合金帶厚度>0.80～3.00mm 1.13±0.05μω m (20℃)
合金帶厚度>3.00mm 1.14±0.05μω m (20℃)
比熱容 0.46j/g.k)
延伸率 ***20
抗拉強度：不小于650 rm/mpa
導熱系數: 15 w/(m.k) (20℃)
線脹系數 18
顯微組織 奧氏體
磁性 無
cr20ni80/2.4869 /uns n06003/nicr8020/nicr20 resistance electrothermal alloy
cr20ni80 is a resistance electrothermal alloy, this kind of alloy has stable structure, stable electrical&physical properties, good mechanical properties at high temperature, good cold deformation plasticity, good weldability, long-term use will not produce brittle fracture. it is mainly used for manufacturing household appliances&heating elements whose working temperature is below 1000℃, with long service life. because of the high nickel content, the price is higher.
implement standard gb/t1234-2012
the chemical co-ition is:
c 0.08%/less;
mn 0.6%/less;
p 0.02%/less;
s 0.015%/less;
si: 0.75 1.60%;
cr: 20.0 23.0%;
ni: margin.
fe 1.0%/less
al 0.5%/less
the maximum operating temperature of components is 1200℃
fast life: not less than 80h
melting point is 1400 ℃
density 8.4 g/cc
resistivity: soft silk
nominal diameter <0.50mm 1.09±0.05μ ω m (20℃)
nominal diameter 0.50 ~ 3.00mm 1.13±0.05μ ω m (20℃)
nominal diameter >3.00mm 1.14±0.05μ ω m
soft state strip
thickness ≤0.80mm 1.09±0.05μ ω m (20℃)
1.13±0.05μ ω m (20℃)
1.14±0.05μ ω m (20℃)
specific heat capacity 0.46j/ (g.k)
elongation of 20/higher
tensile strength: not less than 650 rm/mpa
thermal conductivity: 15 w/(m.k) (20℃)
linear expansion coefficient 18
microstructure austenite
---ic
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