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specification: diameter 60---1500; length≤6000; weight≤50T
material: 9Cr2Mo, 9Cr3Mo,86CrMoV7,MC3,MC5,GCr15,EN19, SAE 52100,etc.
barrel hardness: HSD80----102 (higher hardness)barrel hardness evenness: ≤3HSD
hardness depth (one side) 12---35mm
standard: GB/T13314-2008; GB/T15547-1995
used for: cold rolling mill
manufacturing process: ingot-forging-UT-rough machining-UT-QT-2th rough machining-UT
-magnetic particle test-quenching-magnetic particle test-finished machining-UT
-magnetic particle test-oiling-packing-shiping
mill roll