Breakage Rate Under 1% Premium Quality 0.5inch/ 1inch/1.5inch/2inch /2.5inch/3inch/3.5inch/4inch/4.5inch /5inch Casting Iron Balls Grinding Media Ball

• 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

JINCHI offers a superior selection of factory-priced mining equipment with our cast iron ball mill grinding media steel balls, designed to enhance your operational efficiency.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry is renowned as a leading professional manufacturer of premium grinding products. We take immense pride in delivering a diverse and impressive range of products, including: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Our products are meticulously crafted to uphold international standards, and our ultra-modern facilities boast a remarkable annual production capacity surpassing 100,000 tons.

We eagerly anticipate your new inquiries regarding our grinding balls. Rest assured, our best pricing will be communicated promptly. Thank you.

Why Choose Us
High Our products boast premium excellence, thanks to high-quality raw materials sourced directly from renowned large steel mills.
Advanced Our automatic production lines ensure each product is manufactured with consistent and reliable quality.
Strict We combine rigorous quality management processes with exceptional after-sales service to guarantee complete customer satisfaction.
More With over two decades of industry expertise, we offer unmatched knowledge and skills in our field.
Advanced Our precise lab equipment facilitates meticulous testing and upholds our commitment to quality assurance.
ISO9001, ISO14001, ISO45001, SGS credentials affirm our dedication to quality and environmental standards.
Four -hour reach to Qingdao port ensures streamlined and efficient 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: Our steel is sourced directly from Laigang Group and JIYUAN, China's leading steel companies, ensuring the highest material integrity for grinding balls.

2. Product Range: Our portfolio is designed to meet diverse customer needs, offering both cast and forged options with a comprehensive range.

3. Capacity: With a robust production capacity of approximately 100,000 MT, we promise seamless, uninterrupted delivery of grinding media.

4. Production Facility: Our state-of-the-art automatic production lines guarantee exceptional quality consistency across all products.

5. Delivery: Thanks to our optimized automated production system, we assure swift delivery after order confirmation, often within just 14 days, tailored to specific needs.

6. Quality Control: Our dedicated laboratory, featuring advanced and precise testing apparatus, ensures strict adherence to quality standards at every production step.


Manufacturing Process



JINCHI proudly offers top-tier products and suppliers, featuring Factory Price Mines Equipment cast iron Ball Mill Grinding Media Steel Ball. Our premium quality ensures a breakage rate under 1%, making us the go-to choice for your mining and milling needs.

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 distinguishes your company from others in the industry?

A: With a legacy of 28 years in steel ball manufacturing, we are seasoned professionals dedicated to quality and innovation. Our experience sets us apart as leaders in the industry.

Q2. Can you list the countries where your products have a strong presence?

A: Our global reach extends to Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, Australia, and beyond. Notably, we maintain branch offices in Australia to better serve our international clientele.

Q3: Are you a trading company or do you manufacture your own products?

A: We are a dedicated manufacturing factory, ensuring complete control over the quality and craftsmanship of our products.

Q4: What is the expected delivery time for your products?

A: Our typical delivery timeframe is 10-15 days, subject to order quantity, ensuring timely and efficient service.

Q5: Is it possible to receive samples? If so, is there a cost involved?

A: Certainly, we offer samples free of charge to allow you to evaluate our product quality, although we kindly ask that you cover the freight costs.

Q6: What are your payment terms for transactions?

We accept T/T payments (30% upfront, with 70% upon receipt of the Bill of Lading copy);
Alternatively, we accept L/C (100% Irrevocable Letter of Credit at sight) to accommodate your financial arrangements.