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.
IHI Top Roller for CCH500-2 Crawler Crane
The detailed infos as following :
The material : 42CrMo
The main process : heat treatment
The N.W is 32KG/PC
Pls check our catalogue of undercarriage parts for crawler crane , as following :
Your sample or your dimension , any one is appreciated.
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