How to choose a good wear resistant steel ball

Apr 22,2025

Summary: Ball three: they are forged steel balls, casting steel balls, and hot-rolled steel balls.Forging Ball: Use round cut after forged with air hammer, forging steel ball wear and the material used for round and round impurities or quality of a great relationship.

Ball three: they are forged steel balls, casting steel balls, and hot-rolled steel balls.

Forging Ball: Use round cut after forged with air hammer, forging steel ball wear and the material used for round and round impurities or quality of a great relationship.

Forging Ball Material: 45 # steel, 65mn and 50mn and 60mn or more, wear resistance and high chrome ball currently comparable to 75mncr material. Forging Ball Benefits: Broken less than 1%, good wear resistance, cheap, cost-effective.

Casting steel ball, the chrome, the ball is the main component of the casting, oxidation resistance and anti-sulfur diesel fuel, water resistance is poor, the strength of lower density than forged steel ball, breaking ball was relatively higher than many other processes . According to the level of the amount of chromium, wear the ball can be divided under the following categories:
1, 1% -3% chromium content, hardness HRC≥45. This standard wear-resistant steel balls called low-chromium alloy casting ball low chrome balls are medium frequency furnace melting metal mold or sand casting mode of production. Its performance is suitable for grinding less precision, less wear and tear of some of the metallurgical and mining, slag and other industries.
2, 4% -6% chromium content, hardness HRC≥47. This standard is called multi-alloy ball low chrome steel balls than strength, abrasion resistance slightly higher.
3, 7% -10% chromium content, hardness HRC≥50 for the chromium alloy casting ball, and performance than the multi-alloy steel ball.
4, the chromium content ≥10% -14%, hardness HRC≥58, high-chromium alloy casting ball, the higher the cement industry usage, wear a wear-resistant ball good, broad range of applications, but the price cause good reason resulting in low cost high performance forged products to replace caused a gradual decline in the market.
5, the chromium content exceeds 14%, the hardness HRC≥58. This is a special high chrome steel balls for grinding more detailed, large consumption of industry, of course, its price is high, the price is slightly lower than the high chromium ball.

Hot-rolled steel ball: Depending on the selection of raw materials, steel ball performance vary. Can be roughly divided into so few to 100mm Ball Case
Surface HRC55-60, core hardness 20-25.
The surface hardness of 55-60, 30-35 hardness of heart.
The surface hardness of 58-63, 40-45 hardness of heart.
The surface hardness of 58-63, 55-60 hardness of heart.
The surface hardness of 60 or more, 58 or more hardness of heart.

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