High-Quality Casting Grinding Media Iron Balls 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: 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: 73259100
• Production Capacity: 100000tons/Year

Product Description

JINCHI products/suppliers. Unlock exceptional value with our Factory Price Mines Equipment cast iron Ball Mill Grinding Media Steel Balls. Experience the pinnacle of quality and performance that sets industry standards.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry is a distinguished and renowned professional manufacturer of premium grinding products. Our esteemed company takes great pride in presenting a remarkable array of products that include: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, These exceptional products are crafted with utmost precision to meet and exceed international standards. Our state-of-the-art facilities boast an impressive and robust annual production capacity exceeding 100,000 tons.

Sincerely looking forward to your new inquiry about our premium grinding balls. We assure you that the best competitive price will be sent promptly. Thank you for considering us.

Why Choose Us
High We source high-quality raw materials directly from renowned large steel mills, ensuring unparalleled excellence in our premium products.
Advanced Our advanced automatic production lines ensure consistent and reliable manufacturing quality, setting the benchmark in the industry.
Strict Our rigorous quality management processes, combined with exceptional after-sales service, guarantee complete customer satisfaction.
More With more than two decades of industry experience, we possess unparalleled expertise and knowledge in the field.
Advanced Our advanced and precise laboratory equipment ensures meticulous testing and uncompromised quality assurance in every product.
ISO9001Our ISO9001, ISO14001, ISO45001, and SGS certifications validate our unwavering commitment to superior quality and environmental standards.
Four A strategic four-hour reach to Qingdao port enables swift and efficient logistics for export, ensuring timely delivery.

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: We source steel directly from Laigang Group and JIYUAN, the leading steel companies in China, ensuring top-notch material integrity specifically for grinding balls.

2. Product Range: Our diverse portfolio caters to varied customer requirements, offering both cast and forged types with a comprehensive range of options.

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

4. Production Facility: Our cutting-edge automatic production lines ensure exceptional quality consistency across every product we manufacture.

5. Delivery: Thanks to our streamlined and automated production system, we promise swift delivery post-order confirmation, often within just 14 days, tailored to specific client requirements.

6. Quality Control: Our dedicated laboratory, equipped with state-of-the-art and precise testing apparatus, ensures each step in production adheres strictly to rigorous quality standards.


Manufacturing Process



JINCHI products/suppliers. Discover exceptional value with our Factory Price Mines Equipment cast iron Ball Mill Grinding Media Steel Balls, defining performance excellence and reliability.

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: As seasoned steel ball manufacturers with a remarkable 28 years of production expertise, we stand out in the industry.

Q2. In which countries are your products sold?

A: Our high-quality products have reached global markets, including Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, and Australia. With a robust network, we have established branch offices in Australia to ensure seamless service.

Q3: Are you trading company or manufacturer?

A: We are a dedicated manufacturing factory, committed to delivering excellence with every product.

Q4: How long is your delivery time?

A: Typically, our efficient processes allow a delivery timeframe of 10 to 15 days, with variations depending on order quantities.

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

A: Absolutely! We offer samples free of charge, although the cost of freight must be covered by the requester.

Q6: What is your terms of payment?

T/T (30% in advance and 70% against copy of B/L);
OR L/C(100% Irrevocable letter of credit at sight )