Hot Rolling Steel Cylpebs Forged Cylpebs

PRODUCT PARAMETERS

Type: Hot Rolling Steel Cylpebs
Demisions:(mm):

20×30

25×35

30×40

35×45

40×50

45×55

50×60

55×65

60×70

Application: mining, cement production, power plants, chemistry industries
High hardness
Good wear resistance
High impact toughness
Rear earth grinding ball available (HRC up to 60-65)

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Description

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FAQ

Description

Size and Tolerance:

Size (mm)	20×30	25×35	30×40	35×45	40×50	45×55	50×60	55×65	60×70
Diameter tolerance(mm)	±1
Length tolerance(mm)	±2

Technical specification:

Advantages

Increased Surface Contact: Their cylindrical shape provides more linear contact with material, improving grinding efficiency.
Enhanced Durability: The hot rolling and heat treatment process results in high hardness (HRC 60–65) and impact toughness, reducing wear rates.
Lower Consumption: Longer operational lifespan translates to cost savings in mining and cement industries.

Material	Breakage rate	Hardness(HRC)	Impact value(J/cm2 ）	Drop times(times)	Micro structure
45#	<1%	≥45	≥12	≥8000	M+C
60Mn	<1%	≥55	≥12	≥12000	M+C
65Mn	<1%	≥58	≥12	≥12000	M+C
B-2	<1%	≥60	≥12	≥15000	M+C

Chemical composition

Material	C（%）	Si（%）	Mn（%）	Cr（%）	Cu（%）	Mo（%）	P（%）	S（%）	Ni(%)
45#	0.42-0.50	0.17-0.37	0.5-0.80	0-0.25	0-0.25	0-0.30	0-0.035	0-0.035	0-0.30
60Mn	0.57-0.65	0.17-0.37	0.70-1.0	0-0.25	0-0.25	0-0.30	0-0.035	0-0.035	0-0.30
65Mn	0.62-0.70	0.17-0.37	0.90-1.0	0-0.25	0-0.25	0-0.30	0-0.035	0-0.035	0-0.30
B-2	0.70-0.80	0.17-0.37	0.70-0.80	0.50-0.60	0-0.25	0-0.30	0-0.035	0-0.035	0-0.30

Manufacturing Process

Heating: Steel billets are heated to 1,100–1,200°C to reach a malleable state.
Hot Rolling: The heated steel is passed through rollers to form cylindrical shapes with rounded edges, ensuring uniformity.
Heat Treatment: After rolling, Cylpebs undergo quenching (rapid cooling) and tempering to optimize hardness (for wear resistance) and toughness (to withstand impact).

Applications:

Mining: Grinding ores (e.g., copper, gold, iron) in ball mills.
Cement Production: Crushing clinker and raw materials.
Coal Processing: Pulverizing coal in thermal power plants.
Chemical Industry: Fine grinding of minerals and pigments.

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