Durable Forged Grinding Balls 40cr with High Impact Resistance

• Customization: Available
• Standard: JIS, GB, DIN, BS, ASTM, AISI
• Application: Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard
• Model NO.: DIA: 20mm-150mm
• Material: Steel
• Type: Grinding Ball
• Breakage Rate: <1%
• Impact Value: >12j/Cm^2
• Grade: 45#,40cr ,50mn,60mn,65mn,B2,B3
• Hardness: 55-65HRC
• Microstructure: M+a
• Falling Ball Times: >12000
• Transport Package: Container Ton Bags or Steel Drums
• Specification: Size: 20mm-150mm
• Trademark: JINCHI
• Origin: China
• HS Code: 73261100
• Production Capacity: 100000tons/Year

Product Description

Premium Forged Steel Grinding Balls Designed for Maximum Milling Efficiency
Shandong Jinchi Heavy Industry Joint Stock Co., Ltd: Innovators in Industrial PerformanceAs a renowned specialist in grinding solutions, Shandong Jinchi is dedicated to manufacturing high-performance products. Our core range includes: FORGED GRINDING MEDIA crafted from top-tier STEEL BALLS, alongside our expertly engineered CASTING STEEL BALLS,GRINDING RODS, and GRINDING CYLPEBS, all precision-made to meet rigorous international standards, with a robust annual production capacity surpassing 100,000 tons.

WHY TRUST US
Superior quality raw materials sourced from leading steel mills
State-of-the-art automated production facilities
Uncompromising quality control procedures and dedicated after-sales support
Over two decades of expertise
Cutting-edge and precise laboratory technology
Proudly certified with ISO9001, ISO14001, ISO45001, and SGS credentials
Convenient location with a four-hour transit to Qingdao port

Chemical Composition: Optimized for Superior Wear Resistance in Forged Grinding Media Steel Mill Balls

Materials	C%	Si%	Mn%	P%	S%	Cr%
B2	0.70-0.85	0.17-0.37	0.70-1.00	≤0.035	≤0.035	0.4-0.6
B2-1	0.55-0.70	0.15-0.30	0.65-0.85	≤0.020	≤0.020	0.70-1.10
High Carbon B2	0.85-1.10	0.15-0.45	0.40-1.20	≤0.035	≤0.035	0.20-1.10
B3	0.58-0.66	1.70-1.90	0.68-0.80	≤0.030	≤0.030	0.78-0.90
45#	0.42-0.50	0.17-0.37	0.5-0.8	≤0.035	≤0.035	0.25max
B4	0.65-0.75	1.20-1.40	0.50-0.70	≤0.025	≤0.025	0.85-1.00
B6	0.75-0.90	0.17-0.37	0.8-1.02	≤0.035	≤0.035	0.88-0.98
B6-1	0.82-0.90	0.15-0.35	0.90-1.05	≤0.020	≤0.020	0.88-0.98
42CrMo	0.38-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.90-1.20
40Cr	0.37-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.80-1.10
65MN	0.62-0.70	0.17-0.37	0.90-1.20	≤0.035	≤0.035	≤0.25
60MN	0.57-0.65	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25
50MN	0.48-0.56	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25

Comprehensive Specification of our High Durability Forged Grinding Media Steel Mill Balls

Diameter(mm)	Diameter Tolerance(mm)	Surface Hardness(HRC)	Impact Toughness(j/cm2)
Φ20	+2, -1	>60HRC	≥12
Φ25
Φ30
Φ40
Φ50
Φ60	+3, -2
Φ70
Φ80
Φ90
Φ100	+4, -2
Φ110
Φ120		>58HRC
Φ130
Φ140	+4, -3	>55HRC
Φ150

Distinctive Advantages:

1. Material Excellence: Our steel materials are sourced directly from Laigang Group and JIYUAN, among China's largest steel producers specializing in grinding ball steel.

2. Versatile Product Range: We cater to custom demands for both cast and forged types, offering a comprehensive selection.

3. Vast Production Capacity: A formidable 100,000 MT production capacity ensures a seamless and steady media supply chain.

4. Advanced Production Facilities: With cutting-edge automated production lines, we guarantee consistently high-quality output.

5. Swift Delivery Times: Thanks to our automated systems, delivery can be expedited to as little as 14 days depending on your needs.

6. Rigorous Quality Control: Equipped with an independent laboratory and sophisticated equipment, we ensure every production stage upholds our stringent quality standards.


Manufacturing Process: