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