HUAMIN company produces φ 20 to p 150 forged steel balls ,select high queround steel,low-carbon alloy,high manganese steel,high carbon and high manese alloy steel as raw material produced by air hammer forging process.
We select high-quality round steel as raw materials, and adopts advanced éipment, unique heat treatment process and strict quality control system to m:our forged steel balls have a better performance in the overall hardness, surfhardness up to 58-65HRC, volume hardness up to 56-64HRC.
The hardness distribution is uniform, the impact toughness value is 12J/cand the crushing rate is far less than 1%. Forged steel ball chemical compcon: carbon content in 0.4-0.85,manganese content in 0.5-1.2,。
We can product different size according to customer's request.