4J33 4J335 steel ingot 1J117 hot rolled forged bar 33HK round steel plate custom processing Ni33Co17. 4J33 (Expansion Alloy Round Steel) 4J33 is an iron-nickel-cobalt alloy with a specific expansion ...View More
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High Strength 4J33 4J335 Steel Ingot 1J117 Hot Rolled Forged Rod 33HK Round Steel Plate Low Expansion Alloy