After normalizing, the forging roller of top roller need overall heating ,spraying and quenching , the surface hardness HRC52-58. So the internal and external of roller have better impact resistance and wear resistance.
If you're looking for the Kobelco Crawler Crane OEM track link, welcome to contact us. As one of the most professional manufacturers in this field, we must be your best choice.
Hot Tags: Kobelco Crawler Crane OEM track link, manufacturers