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4 Inch forged steel ball

The 4 Inch Forged Steel Ball is produced using high-carbon alloy steel and precision forging technology, resulting in a dense internal structure and exceptional toughness. This process ensures that the 4 Inch Forged Steel Ball can withstand repeated impact and abrasion in SAG and ball mills without cracking or deforming.

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Product Details

Product Details

With strict heat treatment control, the 4 Inch Forged Steel Ball achieves a highly uniform hardness profile from surface to core. This consistent hardness improves wear resistance and reduces ball consumption, allowing the 4 Inch Forged Steel Ball to deliver long-lasting performance in continuous grinding operations.

Application Industries

Machines	Industries
·Ball mills	·Mining industry
·SAG mills	·Power stations
·Tower mills	·Cement industry
·Coal grinding machine	·Steel Industry
·Bearing	·Chemical Industry
	·Metallurgical industry

Technical Specifications Sheet

Chemical Composition (%)
Steel Specification	C	Mn	Si	Cr	S	P
40Cr	0.37-0.44	0.50-0.80	0.17-0.37	0.80-1.15	≤0.035	≤0.035
42CrMo	0.38-0.45	0.50-0.80	0.17-0.37	0.90-1.25	≤0.035	≤0.035
60Mn	0.57-0.65	0.70-1.00	0.17-0.37	≤0.25	≤0.035	≤0.035
65Mn	0.62-0.72	0.90-1.20	0.17-0.37	≤0.25	≤0.035	≤0.035
ZT-4	0.44-0.72	0.50-0.90	0.17-0.37	≤0.50	≤0.035	≤0.035
ZT-10	0.60-0.78	0.65-1.33	0.25-0.65	≤0.45	≤0.035	≤0.035
B2	0.70-0.92	0.70-1.00	0.17-0.37	0.40-0.70	≤0.035	≤0.035
B3	0.52-0.65	0.66-1.00	1.30-1.90	0.74-1.20	≤0.030	≤0.030
B4	0.65-0.75	0.50-0.70	1.20-1.40	0.85-1.00	≤0.025	≤0.025
B6	0.75-0.90	0.80-1.02	0.17-0.37	0.88-0.98	≤0.035	≤0.035
BU	0.95-1.05	0.95-1.05	0.15-0.35	0.45-0.55	≤0.035	≤0.035
BL	0.55-0.75	0.65-0.85	0.15-0.35	0.70-1.20	≤0.035	≤0.035
BG	0.90-1.05	0.35-0.95	0.15-0.35	1.00-1.70	≤0.035	≤0.035

Physical Features
Diameter (mm) (inches)	Surface Hardness (HRC)	Diameter Tolerance (mm)	Impact Value (J/cm²)	Breakage Rate (%)	Drop Test (times)
20 (0.79)	>60	+2.0 -1.0	≥12	≤1	>15000
25 (0.98)
30 (1.18)
40 (1.57)
50 (1.97)
60 (2.36)		+3.0 -1.5
65(5.56)
70 (2.76)
75 (3.00)
80 (3.15)
90 (3.54)
100 (3.94)		+4.0 -2.0
120 (4.72)	>58
125 (4.92)
140 (5.51)	>55	+5.0 -3.0
150 (5.91)

Quality Control Framework

Manufacturing Overview

Plants and Production Equipment

Exhibition Portfolio

Exhibitions

Partnership Strengths

Every 4 Inch Forged Steel Ball undergoes rigorous inspection for diameter accuracy, roundness, and surface integrity. The precise 100mm size and smooth surface help the 4 Inch Forged Steel Ball maintain stable movement within the mill, promoting efficient ore grinding and reducing energy loss.