FIELD: metallurgy.
SUBSTANCE: flat roll product has a determinate surface structure, which has a large number of recesses with a depth in the range of 2 to 14 microns, wherein the recesses are I-shaped, H-shaped, cross-shaped, C-shaped or x-shaped. The surface structure has peak number RPc ranging from 45 to 180 1/cm, mean arithmetic roughness Ra ranging from 0.3 to 3.6 mcm and mean arithmetic waviness Wsa ranging from 0.05 to 0.65 mcm. The roll is textured using a laser and has a determinate surface structure with a large number of overlapping cup-shaped recesses of the corresponding shape. The roll surface pattern measured in the roll direction is characterized by the number of RPc peaks in the range from 80 to 180 1/cm, mean arithmetic roughness Ra ranging from 2.5 to 3.5 mcm and mean arithmetic waviness Wsa ranging from 0.08 to 1.0 mcm.
EFFECT: improved tribological properties and conditions for application of varnish coating.
17 cl, 15 dwg
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