Advanced Casting Grinding Media Iron Balls, Grade Cr10 to Cr28

• 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. Discover unbeatable factory prices for our Mines Equipment cast iron Ball Mill Grinding Media Steel Ball, where high-quality meets affordability.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry is a prestigious and renowned manufacturer of exceptional grinding products. We are committed to providing a diverse range of high-quality items, including: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Our meticulously crafted products meet rigorous international standards and are manufactured in cutting-edge facilities with a remarkable annual production capacity exceeding 100,000 tons.

We are truly eager to receive your inquiries about our premium grinding balls. Count on us for prompt responses with the best pricing. Thank you.

Why Choose Us
High Quality raw materials sourced directly from esteemed large-scale steel mills, ensuring unmatched product excellence and durability.
Advanced automatic production lines ensure consistent product quality and reliability across all manufacturing stages.
Strict quality management protocols, coupled with unparalleled after-sales support, ensure complete customer satisfaction.
More than two decades of industry expertise empower us to deliver superior products and insights.
Advanced and precise laboratory equipment facilitates thorough testing and quality assurance.
ISO9001, ISO14001, ISO45001, and SGS certifications highlight our dedication to maintaining superior quality and environmental standards.
Four -hour reach to Qingdao port for efficient and swift export logistics, ensuring timely delivery to global clients.

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 obtain our steel from Laigang Group and JIYUAN, the premier steel suppliers in China, renowned for their expertise in steel specifically for grinding balls, ensuring superior material integrity.

2. Product Range: Our extensive portfolio satisfies diverse customer needs by offering both cast and forged varieties in a comprehensive selection.

3. Capacity: With a robust production capacity of about 100,000 MT, we ensure continuous and reliable delivery of media to meet client demands.

4. Production Facility: Our state-of-the-art automatic production lines guarantee uniform quality and precision in every product we manufacture.

5. Delivery: Our highly efficient automated production system enables us to offer swift and reliable delivery, often within just 14 days post-order confirmation, based on specific requirements.

6. Quality Control: Our dedicated lab, equipped with cutting-edge testing technology, ensures each step of production adheres to the highest quality standards.


Manufacturing Process



Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd presents: JINCHI products/suppliers. Your destination for factory-direct, competitively-priced Mines Equipment, featuring our cast iron Ball Mill Grinding Media Steel Ball. Experience excellence in grinding technology with us!

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: Our expertise is unrivaled as we are esteemed steel ball manufacturers boasting an impressive 28-year legacy of production experience, setting benchmarks in quality and innovation.

Q2. In which countries are your products sold?

A: Our network spans the globe, reaching countries including Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Côte d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, Australia, and beyond. We even have a branch office in Australia to cater to local demands.

Q3: Are you trading company or manufacturer?

A: We proudly operate as a factory, ensuring direct control over quality and production.

Q4: How long is your delivery time?

A: Our delivery time is typically swift, ranging from 10-15 days, but it may vary depending on order quantity to ensure timely fulfillment.

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

A: Yes, we are pleased to offer samples at no extra charge, although the cost of freight will need to be covered by the recipient.

Q6: What is your terms of payment?

We accept T/T payments (30% in advance and the remaining 70% upon receipt of the Bill of Lading copy).
Alternatively, we accept L/C (100% Irrevocable letter of credit at sight) for secure transactions.