Chemical and Mining Grinding Media Ball with <1% Breakage Rate

• Customization: Available
• Standard: JIS, GB, DIN, BS, ASTM, AISI
• Application: Loader, Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard
• Model NO.: diameter 20-150mm
• Material: Steel
• Type: Grinding Ball
• Usage: Chemical, Mines, Cement/ Power Plant, Ball Mill
• Breakage Rate: <1%
• Impact Toughness: >12ak.J/Cm2
• Hardness: 55-65HRC
• Heat Treatment: Quenching+Tempering
• Certification: TUV ISO 9001 / ISO14001 / ISO45001 / SGS
• Service: Free Samples
• Microstructure: M+C
• Transport Package: Bags or Steel Drum
• Specification: Diameter 20-150mm
• Trademark: JINCHI
• Origin: Shandong, China
• HS Code: 7326110000
• Production Capacity: 100000tons/Year

Product Description

Forged Grinding Media Ball/Grinding Media for Mine

DESCRIPTION

1. Grade: B2, B3, 45#, 50Mn, 60Mn, 65Mn, B2, B3, B6, BU
2. Diameter: 20mm-150mm
3. Hardness: 55-65HRC
4. Breakage Rate: <1%
5. Impact Value: >12j/Cm^2
6. Endurance impact test times: ≥20000s
7. Uniform hardness, high wear resistance, high impact value

Forged Grinding Media Steel Ball Chemical Composition:

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
BU	0.95-1.05	0.15-0.35	0.95-1.05	≤0.025	≤0.025	0.45-0.55
1090	0.90-1.10	0.17-0.37	0.60-0.90	≤0.025	≤0.025	≤0.025
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 of Forged Grinding Media Steel Ball:

Diameter(mm)	Diameter Tolerance(mm)	Surface Hardness(HRC)	Impact Toughness(j/cm2)
Φ20	+2, -1	>60HRC	≥12j/cm2
Φ25
Φ30
Φ40
Φ50
Φ60	+3, -2
Φ70
Φ80
Φ90
Φ100	+4, -2
Φ110
Φ120		>58HRC
Φ130
Φ140	+4, -3	>55HRC

Our Products:

Our Factory:

Shandong Jinchi Heavy Industry Joint-stock Co., Ltd stands at the forefront of the industry, specializing in the production of top-of-the-line forged and hot-rolled grinding balls, grinding steel rods, and grinding cylpebs. With a proud heritage of 28 years in China, our annual output exceeds a staggering 100,000 tons. Our production prowess is powered by 8 state-of-the-art forging and automatic rolling production lines, poised to fulfill even the most complex demands of our customers.
Shandong Jinchi is distinguished by its commitment to excellence, having earned prestigious international and industrial certifications such as TUV ISO900, ISO14001, and ISO45001. Moreover, we hold dual certifications from SGS and BV, affirming our status as a qualified factory. Our laboratory, equipped with cutting-edge testing equipment including spectrometers, hardness testers, drop testers, and impact testers, ensures rigorous quality control and traceability from raw materials entering our facility to the final product shipment.
Our esteemed clientele spans across Southeast Asia, Africa, and Latin America, encompassing over 40 countries. We are honored to maintain robust business relationships with renowned large mining companies, cement plants, thermal power plants, and chemical plants worldwide. These collaborations have garnered us favorable acclaim and enduring partnerships.



Packaging:

Testing Equipment:
Delivery:

FAQ

Q1: What is the advantage of your company?

A: As seasoned steel ball manufacturers, we boast 28 years of unrivaled production expertise, ensuring superior quality and performance in every product.

Q2. In which countries are your products sold?

A: Our global footprint extends to countries including Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, and Australia, where we operate branch offices.

Q3: Are you trading company or manufacturer?

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

Q4: How long is your delivery time?

A: Our typical delivery timeline is 10-15 days and may vary depending on order quantity.

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

A: Yes, we are pleased to offer samples free of charge. However, customers are responsible for the freight costs.

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)