Advanced 10mm/15mm/20mm/30mm /40mm /50mm /60mm/70mm/80mm/90mm/100mm/110mm Casting Balls with Breakage Rate Below 1% for Reliability

• 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: 10mm-130mm
• Material: Iron
• Type: Wear Resistant Casting
• Breakage Rate: <1%
• Impact Value: >4j/Cm^2
• Grade: Cr10--28
• Hardness: 58-65HRC
• Microstructure: M+C
• Falling Ball Times: >10000
• Cast Ball Chrome: Cr1.0-28.0
• Heat Treatment: Quenching +Tempering
• Transport Package: Container Ton Bags or Steel Drums
• Specification: Size: 10mm-150mm
• Trademark: JINCHI
• Origin: China
• HS Code: 73261100
• Production Capacity: 100000tons/Year

Product Description

Unveil the unparalleled excellence of JINCHI products and suppliers, all offered at unbeatable factory prices! Our exceptional Mines Equipment cast iron Ball Mill Grinding Media Steel Ball is meticulously engineered for optimum performance and unmatched reliability.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry stands as a prestigious leader and expert manufacturer in the domain of premium grinding products. We take immense pride in presenting an extraordinary spectrum of products, including: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Crafted with precision and in strict adherence to international standards, our state-of-the-art facilities achieve an impressive annual production capacity exceeding 100,000 tons.

We earnestly anticipate your inquiries regarding our superior grinding balls. Be assured, you'll receive the best price promptly, along with exceptional customer service. Thank you for your interest.

Why Choose Us
High Quality raw materials, sourced directly from prestigious large steel mills, ensure our products exhibit unparalleled excellence and reliability.
Advanced Our state-of-the-art automatic production lines ensure consistent and flawless manufacturing quality every time.
Strict Our rigorous quality management processes, paired with outstanding after-sales service, guarantee complete customer satisfaction.
More With over two decades of industry experience, we possess unparalleled expertise and in-depth knowledge.
Advanced Our precise laboratory equipment is devoted to meticulous testing and unwavering quality assurance.
ISO9001, ISO14001, ISO45001, and SGS certifications highlight our steadfast commitment to quality and superior environmental standards.
Our strategic location offers a fast four-hour reach to Qingdao port, ensuring efficient and seamless export logistics.

Chemical Composition of forged steel 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

Specification ofGood Wear Resistance 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:

1.Material Quality: By sourcing steel directly from Laigang Group and JIYUAN, China's leading steel companies in grinding ball steel, we ensure top-tier material integrity.

2. Product Range: Our extensive portfolio caters to diverse customer needs, offering both cast and forged types in a comprehensive range.

3. Capacity: With a robust production capacity of approximately 100,000 MT, we guarantee seamless and uninterrupted media delivery to our clients.

4. Production Facility: Our cutting-edge automatic production lines ensure exceptional quality consistency in every product, every time.

5. Delivery: Our streamlined automated production system guarantees swift delivery post-order confirmation, typically within just 14 days, tailored to customer-specific requirements.

6. Quality Control: Our dedicated laboratory is a beacon of quality assurance. Outfitted with cutting-edge and highly precise testing apparatus, it guarantees a steadfast commitment to quality standards at every stage of production, ensuring unparalleled excellence.


Manufacturing Process



JINCHI proudly delivers premium products directly from our renowned suppliers, ensuring customers access to exceptional factory prices on vital mining equipment. This includes our superior cast iron Ball Mill Grinding Media Steel Ball, designed for unmatched performance and durability.

Chemical Components
Type	Chemical components
	C	Si	Mn	Cr	Mo	Cu	P	S
Low-Cr	1.8-3.3	≤1.5	0.3-1.5	1-3	≤1.0	≤0.8	≤0.10	≤0.10
Medium-Cr	1.8-3.3	≤1.2	0.3-1.5	4-9	≤1.5	≤0.8	≤0.10	≤0.10
High-Cr	1.8-3.3	≤1.2	0.3-1.5	10-18	≤1.0	≤1.2	≤0.10	≤0.06
Superhigh-Cr	1.8-3.3	≤1.2	0.3-1.5	19-35	≤2.0	≤1.2	≤0.10	≤0.06

Nominal diameter (mm)	Weight of single ball  in average (g)	Quantity/ MT	Surface hardness	Endurance impact test (Times)
Φ15	13.8	72549	>60	>10000
Φ17	20.1	49838		>10000
Φ20	32.7	30607		>10000
Φ25	64	15671		>10000
Φ30	110	9069		>10000
Φ40	261	3826		>10000
Φ50	510	1959		>10000
Φ60	882	1134		>10000
Φ70	1401	714		>10000
Φ80	2091	478	>58	>10000
Φ90	2977	336		>10000
Φ100	4084	245		>8000
Φ120	7057	142		>8000
Φ130	8740	115		>8000

Certificates


FAQ

Q1: What is the advantage of your company?

A: Experience the hallmark of industry leadership with our 28 years of unmatched expertise as professional steel ball manufacturers, committed to elevating production excellence to new heights.

Q2. In which countries are your products sold?

A: Our products enjoy a robust international footprint, flourishing in markets from Mexico, Canada, Brazil to destinations across Africa, including Tanzania, Congo, South Africa, and beyond. We proudly operate a strategic branch office in Australia, ensuring seamless global distribution.

Q3: Are you trading company or manufacturer?

A: We are a powerhouse in manufacturing, confidently operating as a factory that stands at the forefront of innovation and production prowess.

Q4: How long is your delivery time?

A: Our delivery times are impressively swift, typically ranging from 10-15 days, tailored to the volume of your order to ensure timely satisfaction.

Q5: Do you provide samples? Is it free or extra?

A: Absolutely, we are delighted to provide samples free of charge. However, we kindly request the freight costs to be covered by the recipient as part of our seamless service approach.

Q6: What is your terms of payment?

We offer flexible and convenient payment terms: T/T with a 30% deposit upfront, and the remaining 70% balance due upon receipt of the B/L copy.
OR L/C: Engage in secure transactions with a 100% Irrevocable letter of credit at sight, guaranteeing peace of mind and reliability.