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Product Information: Grade Element composition (%) < Zr+Hf Hf Fe+Cr Sn H N C Nb O R60702 99.2 4.5 0.20 -- 0.005 0.025 0.05 -- 0.16 R60703 98 4.5 -- -- --0.005 0.025 -- -- -- R60704 97.5 4.5 0.20~0.40 ...