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What is the difference between Nickel 200 and Nickel 201?

April 26, 2017difference nickel

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What is the difference between Nickel 200 and Nickel 201?

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A. Nickel 201 is the low carbon version of Nickel 200, which should be specified for service above 550F(288C). Above this temperature, graphitization can occur in Nickel 200, over a long period of time at temperature. This is particularly pertinent for fused caustic service.