High-Performance Casting Balls with Breakage Rate Less Than 1%

• 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

Experience the pinnacle of quality with JINCHI's exceptional products, available at unbeatable factory prices! Our supreme Mines Equipment cast iron Ball Mill Grinding Media Steel Ball is meticulously crafted for unmatched performance.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdAt Shandong Jinchi Heavy Industry, we pride ourselves as a vanguard in the premium grinding products sector, offering an unparalleled selection of top-tier products, including: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Manufactured with precision and in strict compliance with international standards, our cutting-edge facilities boast an impressive annual production capacity exceeding 100,000 tons.

We eagerly await your inquiries about our exceptional grinding balls. Be assured, you'll receive the most competitive pricing available, swiftly and efficiently. Thank you for your interest.

Why Choose Us
High The finest raw materials, sourced directly from the most reputable large steel mills, ensure our products achieve unrivaled excellence.
Advanced Our state-of-the-art automatic production lines ensure consistent and superior manufacturing quality.
Strict Through stringent quality management protocols and exceptional after-sales service, we aim for absolute customer satisfaction.
More With over twenty years of unrivaled industry expertise, we offer unmatched proficiency and insights.
Advanced Our sophisticated laboratory equipment is exclusively dedicated to rigorous testing and quality assurance.
ISO9001, ISO14001, ISO45001, and SGS certifications demonstrate our steadfast dedication to quality and sustainable practices.
Our prime location facilitates a swift four-hour access to Qingdao port, ensuring seamless 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: By directly sourcing steel from Laigang Group and JIYUAN, preeminent Chinese steel companies specializing in grinding ball steel, we ensure superior material quality.

2. Product Range: Our diverse portfolio meets a wide array of customer needs, offering both cast and forged types in a broad spectrum.

3. Capacity: With a robust production capability of approximately 100,000 MT, we promise reliable and uninterrupted delivery to our clientele.

4. Production Facility: Our advanced automatic production lines provide unparalleled quality consistency across every product.

5. Delivery: Our efficient automated production system guarantees prompt delivery after order confirmation, often within a mere 14 days, customized to specific needs.

6. Quality Control: Our dedicated laboratory, a hub of innovation and precision, is equipped with state-of-the-art testing apparatus. This ensures that we uphold the highest quality standards with unwavering commitment at every crucial step of our production process.


Manufacturing Process



JINCHI takes pride in delivering premium quality products, sourced directly from our trusted suppliers. We provide unbeatable factory prices on essential mining equipment, such as our renowned cast iron Ball Mill Grinding Media Steel Ball, all designed to enhance your operational efficiency.

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 excellence with our 28 years of unrivaled expertise. As professional steel ball manufacturers, we are committed to delivering superior quality in every aspect of production.

Q2. In which countries are your products sold?

A: Our products boast a robust global footprint, thriving in markets from Mexico to Canada, and across the globe to Brazil, Tanzania, Congo, South Africa, among others, with a strategic branch office prominently established in Australia.

Q3: Are you trading company or manufacturer?

A: We are not just a company; we are a manufacturing powerhouse, proudly operating our own factory.

Q4: How long is your delivery time?

A: Our delivery is impressively swift, typically within 10-15 days, though it may vary slightly with order volume.

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

A: Indeed, we are delighted to provide samples free of charge. However, we kindly request that the freight costs be covered.

Q6: What is your terms of payment?

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