Jul 15, 2025
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Product Description: Kovar 4J33 round bar Co257 round steel expansion alloy light bar iron nickel alloy bar. Chemical composition The main chemical components of 4J33 alloy include iron (Fe), nickel (Ni), cobalt (Co) and ...learn more
Electroplating Iron Nickel Alloy Co257 Kovar 4j33 Precision Round Steel Expansion Alloy

Electroplating Iron Nickel Alloy Co257 Kovar 4j33 Precision Round Steel Expansion Alloy

5000 tons per month
Price is negotiated based on the required specifications and quantity
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