Reliable High Chrome /Middle Chrome/Low Chrome Casting Balls with Grade Cr10-28 and 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: Casting Balls
• 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

Immerse yourself in the unmatched quality of JINCHI products and suppliers, available at competitive factory prices! Our elite Mines Equipment cast iron Ball Mill Grinding Media Steel Ball is meticulously designed to deliver superior performance in every application.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry is a beacon of excellence, serving as a leading manufacturer in the premium grinding products sector. Our esteemed company proudly offers an exceptional collection of products, meticulously crafted for optimal performance, including: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Our precision-engineered products, crafted to meet international standards, are manufactured in our state-of-the-art facilities, boasting a staggering annual production capacity that surpasses 100,000 tons.

We eagerly anticipate your inquiries about our stellar grinding balls, and we assure you of receiving the most competitive pricing without delay. We appreciate your interest and look forward to serving you.

Why Choose Us
High Our high-quality raw materials, sourced directly from the most reputable large steel mills, ensure that our products stand out for their exceptional excellence and superior performance.
Advanced Our state-of-the-art automatic production lines are the hallmark of our commitment to consistent, reliable, and high-quality manufacturing processes.
Strict Our strict quality management processes, coupled with our exceptional after-sales service, are designed to guarantee complete customer satisfaction.
More With over two decades of industry experience, we have amassed unparalleled expertise and knowledge, making us leaders in the field.
Advanced Our ultra-modern lab equipment is dedicated to precise testing and quality assurance, ensuring that every product meets our high standards.
ISO9001, ISO14001, ISO45001, and SGS certifications exemplify our steadfast commitment to quality and environmental standards, underscoring our dedication to excellence.
Strategically located, we offer efficient logistics with a quick four-hour reach to Qingdao port, facilitating seamless and effective export operations.

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 procuring steel directly from the industry giants Laigang Group and JIYUAN, renowned for their expertise in grinding ball steel, we ensure supreme material quality and integrity.

2. Product Range: Our vast portfolio is designed to meet diverse customer needs, offering both cast and forged types across a comprehensive spectrum of products.

3. Capacity: With an impressive production capacity of approximately 100,000 MT, we assure seamless and uninterrupted delivery of media to our esteemed clients.

4. Production Facility: Our cutting-edge automatic production lines guarantee exceptional quality consistency in each and every product we manufacture.

5. Delivery: Our efficient automated production system ensures prompt delivery post-order confirmation, often within a mere 14 days, customized to meet specific requirements.

6. Quality Control: Our state-of-the-art laboratory is a testament to our commitment to quality. Equipped with the latest and most precise testing apparatus, we ensure that every step of our production process meets the highest standards, offering you products that exemplify excellence.


Manufacturing Process



At JINCHI, we take pride in delivering top-tier products straight from our reputable suppliers. Enjoy unmatched factory prices on vital mining equipment, including our premium cast iron Ball Mill Grinding Media Steel Balls, designed for durability and performance.

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 incomparable advantage of our 28-year legacy in steel ball manufacturing, where we uphold a tradition of excellence and superior production standards, ensuring that you receive only the best.

Q2. In which countries are your products sold?

A: Our products enjoy a robust global footprint, reaching beyond borders from Mexico, Canada, and Brazil, to across continents in regions like Tanzania, Congo, South Africa, and more, proudly supported by a strategic branch office in Australia.

Q3: Are you trading company or manufacturer?

A: We are a distinguished manufacturing entity, confidently positioned as a leading factory in the industry.

Q4: How long is your delivery time?

A: Our delivery schedule is impressively swift, with typical times ranging from just 10 to 15 days, depending on the volume of the order, ensuring you receive your goods promptly.

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

A: Certainly, we are delighted to provide complimentary samples. We kindly ask, however, for the freight charges to be covered by the requester.

Q6: What is your terms of payment?

Our payment terms are designed for your convenience: T/T with a 30% advance payment and the remaining 70% settled upon receipt of the B/L copy.
OR L/C: Enjoy the peace of mind with a 100% Irrevocable Letter of Credit at sight, ensuring secure and reliable transactions.