Tube piercing mill roll
Diameter Range of roller:
≤ φ1000mm
Material of roller & shaft:
42CrMo or 40Cr;45 or 55; 50Mn,65Mn, 60CrMnMo, 70Mn Alloy Casting Iron, Adamite
Fabricate:
Centrifugal composite or satic casting
Hardness:
200-240HB
Tensile Strength:
≥500Mpa
Material of roll shaft:
34CrNi3Mo
Shaft hardness:
302-341HBW
Testing method:
UT testing according to GB/T6402
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