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4J32

 

Chemical composition

 

(Steel No)   (Chemical Composition  %)
C P S Mn Si Ni Co Cu Fe
≤ 　 　 　
4J32 (Super Invar) 0.05 0.02 0.02 0.20~0.60 0.2 31.5~33.0 3.20~4.20 0.40~0.80 balance

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