Premium Forged Grinding Balls Grade 45# with Low Breakage Rate

• 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

Exemplary Forged Steel Grinding Balls for Superior Milling Efficiency
Shandong Jinchi Heavy Industry Joint Stock Co., Ltd, a dedicated leader in grinding product manufacturing. Our company's primary offerings include: High-Performance GRINDING MEDIA FORGED steel BALLS and Durable CASTING STEEL BALLS,Reliable GRINDING RODS, Versatile GRINDING CYLPEBS, all meticulously crafted to meet international standards, supporting an impressive annual production capacity exceeding 100,000 tons.

WHY PARTNER WITH US
Superior quality inputs sourced from major steel mills
State-of-the-Art automated production processes
Robust quality management systems paired with exceptional after-sales support
Over two decades of industry expertise
Cutting-Edge and precise laboratory instrumentation
ISO9001,ISO14001, ISO45001, and SGS certifications
Strategically located just a four-hour reach from the Qingdao port

Chemical Composition 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

Specifications of Durable and Wear-Resistant 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

Advantages That Set Us Apart:

1. Material Quality Assurance: We procure steel materials directly from the renowned Laigang Group and JIYUAN, premier steel manufacturers in China specializing in grinding ball steel.

2. Diverse Product Range: Our offerings include a comprehensive range of cast & forged steel grinding balls tailored to customer specifications.

3. Production Capacity: Boasting a production capacity of approximately 100,000 MT, we ensure a seamless and uninterrupted supply chain.

4. Advanced Production Facility: Our cutting-edge automated production line guarantees unmatched quality consistency.

5. Swift Delivery: Thanks to our streamlined automated systems, we promise rapid delivery post-order confirmation, often within 14 days or as per requirement.

6. Rigorous Quality Control: Our in-house laboratory, equipped with advanced and precise instruments, ensures that every production phase adheres to stringent quality standards.


Manufacturing Process