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40mm Grinding Steel Ball

40mm Grinding Steel Ball is manufactured from premium carbon steel or alloy steel through advanced forging or hot rolling processes, followed by precise heat treatment. The optimized manufacturing process ensures uniform hardness, a dense internal structure, and reliable mechanical properties for long-term industrial use.

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Product Details

Product Overview

40mm Grinding Steel Ball is designed to provide efficient grinding performance for fine and medium grinding applications. With excellent hardness, high impact resistance, and consistent wear behavior, it helps improve milling efficiency while reducing grinding media consumption and operating costs.

40mm Grinding Steel Ball

Applications in Grinding Machinery and 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

40mm Grinding Steel Ball is widely used in ball mills processing gold ore, copper ore, iron ore, limestone, cement clinker, and other mineral materials. The 40mm diameter is suitable for various grinding stages, providing stable milling performance in both wet and dry grinding systems.

Technical Specifications

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)

Advanced Quality Control and Inspection Systems

Every batch of 40mm Grinding Steel Ball undergoes comprehensive quality inspections, including chemical composition analysis, hardness testing, impact testing, drop testing, and dimensional verification. Strict quality control throughout production ensures consistent quality and dependable field performance.

Facilities and Production Machinery

Plants and Production Equipment

Exhibitions

Exhibitions

40mm Grinding Steel Ball is regularly showcased at international mining and industrial exhibitions, where we present our latest grinding media technologies, discuss application solutions with industry professionals, and strengthen cooperation with customers worldwide.

Why Choose Us

Choosing 40mm Grinding Steel Ball from ZenTi means partnering with a manufacturer that combines advanced production technology, strict quality management, and efficient global supply. With over 150,000 tons of annual production capacity, customizable specifications, and fast delivery, we provide reliable grinding media solutions for mining and industrial customers worldwide.

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