Forged Grinding Media Ball 76mm with Superior Performance Rating

• 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

Premium Forged Grinding Media Ball/Grinding Media for Mine

DESCRIPTION

1. Grade: B2, B3, 45#, 50Mn, 60Mn, 65Mn, B2, B3, B6, BU
2. Diameter Range: 20mm-150mm
3. Hardness Rating: 55-65 HRC
4. Breakage Rate: Less than 1%
5. Impact Value: Greater than 12j/Cm^2
6. Endurance Impact Test: Over 20,000 cycles
7. Features: Uniform Hardness, High Wear Resistance, Superb Impact Value

Forged Grinding Media Steel Ball-Chemical Composition Excellence:

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 is renowned for its expertise in manufacturing premium forged and hot-rolled grinding balls, grinding steel rods, and grinding cylpebs. With 28 years of industry experience in China, our annual output exceeds 100,000 tons. We boast 8 state-of-the-art forging and automatic rolling production lines, adept at fulfilling even the most complex customer requirements.
Shandong Jinchi has achieved acclaim with prestigious international and industrial certifications including TUV ISO900, ISO14001, Iso45001, and dual certifications from SGS and BV, affirming our status as a qualified establishment. Our world-class laboratory, furnished with cutting-edge testing equipment like spectrometers, hardness testers, drop testers, and impact testers, ensures comprehensive quality control and traceability through every stage from raw materials to final shipment.
Our clientele spans across Southeast Asia, Africa, and Latin America, covering more than 40 nations. We foster robust business collaborations with both Chinese and globally prominent mining companies, as well as cement, thermal power, and chemical plants, consistently earning favorable reviews from our esteemed partners.



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FAQ

Q1: What are the competitive advantages of your company?

A: As expert steel ball manufacturers with 28 years of experience, we deliver unparalleled quality and reliability.

Q2. Which countries have you expanded your market to?

A: Our market presence extends to Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, Australia, and beyond, with branch offices in Australia.

Q3: Are you a trading company or a manufacturer?

A: We are a manufacturing factory.

Q4: What is your standard delivery timeframe?

A: Delivery typically takes 10-15 days, subject to order quantity.

Q5: Are samples available? Are they free?

A: Yes, we provide samples free of charge, excluding freight costs.

Q6: What are your payment terms?

T/T (30% upfront and 70% upon receiving the copy of B/L);
OR L/C (100% Irrevocable Letter of Credit at sight)