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Forged steel ball
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Forged steel ball

[Introduction]: The Forged ball is made by direct heating at high temperature and forging, and it does not need melting and casting. So this steel ball is called Forged steel ball.

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Advantages

1. The defects produced in smelting process will be eliminate by forging which optimizes the microstructure and preserves the integrity of metal flow. The mechanical properties of forgings are better than those of the same materials.

2. The wear-resistance of Forged steel ball completely depends on the material. Xinhai wear-resistant steel ball adopts excellent quality steel which has the advantages of good impact resistance, strong toughness, and good wear resistance, etc.

Application

Iron ore, copper, gold, Cu-Pb-Zn and other wet grinding field.

Production Process Flow of Forging Steel Ball

Inspection of raw materials--Heating and melting of Intermediate frequency furnace---Spin into ball --- Quenching----Tempering----Testing---Package

The mechanical properties of forged steel balls

Diameter of Steel  Ball (MM)A MaterialB MaterialC MaterialD Material
Core HardnessInternal HardnessImpact IndexCore HardnessInternal HardnessImpact IndexCore HardnessInternal HardnessImpact IndexCore HardnessInternal HardnessImpact Index
φ2560-6558-63≥12J/CM2 — — — — — — — — —
φ3060-6555-60≥12J/CM2 — — — — — — — — —
φ3560-6555-60≥12J/CM2 — — — — — — — — —
φ4060-6555-63≥12J/CM260-6560-65≥12J/CM2 — — — — — —
φ5060-6545-50≥12J/CM260-6560-65≥12J/CM2 — — — — — —
φ6060-6542-47≥12J/CM260-6560-65≥12J/CM2 — — — — — —
φ7060-6540-45≥12J/CM260-6560-65≥12J/CM2 — — — — — —
φ7560-6540-45≥12J/CM260-6560-65≥12J/CM2 — — — — — —
φ8060-6537-42≥12J/CM260-6560-65≥12J/CM2 — — — — — —
φ9060-6537-42≥12J/CM258-6352-60≥12J/CM2 — — — — — —
φ10058-6337-42≥12J/CM253-5842-58≥12J/CM258-6258-60≥14J/CM260-6560-65≥14J/CM2
φ11055-6335-40≥12J/CM253-5845-50≥12J/CM258-6258-60≥14J/CM260-6560-65≥14J/CM2
φ12055-6335-40≥12J/CM253-5845-50≥12J/CM255-6258-60≥14J/CM260-6560-65≥14J/CM2
φ12550-5535-40≥12J/CM253-5845-50≥12J/CM255-6252-58≥14J/CM260-6558-63≥14J/CM2
φ13050-5535-40≥12J/CM253-5840-45≥12J/CM255-5850-55≥14J/CM260-6558-63≥14J/CM2
φ140 — —≥12J/CM253-5840-45≥12J/CM255-5845-55≥14J/CM260-6555-60≥14J/CM2
φ150 — —≥12J/CM253-5840-45≥12J/CM255-5840-45≥14J/CM260-6553-58≥14J/CM2

Try to improve the hardness until the ball is broken.

The ball with diameter 100mm is used in impact fatigue test; the test height is 7.5m; the impact times of the ball with other diameter are calculated by this formula.

N=10000×100/D, N is test time, and D is diameter

Successful case

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