China Forged Steel Grinding Media Balls with Superior Hardness and Toughness

• Customization: Available
• Standard: JIS, GB, DIN, BS, ASTM, AISI
• Application: Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant
• Model NO.: 20mm-150mm
• Material: Steel
• Type: Grinding Ball
• Breakage Rate: Below 1%
• Hardness: Hardness
• Impact Toughness: >12ak.J/Cm2
• Microstructure: M+C
• Customized: Customized
• Transport Package: Flexible Container Bags or Steel Drums
• Specification: 20mm-150mm
• Trademark: JINCHI
• Origin: Made in China.
• HS Code: 73261100
• Production Capacity: 100000tons/Year

Product Description

Product Description

1. Grade: Crafted to precision with options including 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, BG-ensuring a perfect match for diverse applications.
2. Diameter: Versatile sizing from 20mm to 150mm, designed to cater to a wide spectrum of industrial needs.
3. Hardness: Boasting an impressive hardness rating of HRC 55-65, these balls are engineered for superior durability.
4. Breakage Rate: Remarkably low, with a breakage rate of less than 1%, guaranteeing longevity and reliability.
5. Impact Value: Greater than 12j/Cm^2, these grinding balls deliver exceptional impact resilience.
6. Falling Ball Times: Proven endurance with falling ball times exceeding 20,000 seconds.

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

Detailed Photos

 

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

 

Certifications

 

Packaging & Shipping

1. Dependable Ocean shipping for global reach.
2. Customized transportation modes as per customer specifications.
3. Packing Details: A. Securely packed in steel drums (850-930kgs/drum) b. Robust flexible container bags (1 ton/bag)
4. Delivery Details: Timely delivery within 15-20 days post receipt of payment or LC at sight, ensuring swift service.

Located in the heart of Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. is a distinguished professional factory, specializing in the production of forged and hot-rolled grinding balls, alongside alloy grinding steel rods for over a decade. With an impressive annual output of 100,000 tons, we proudly run 10 state-of-the-art forging and automatic rolling production lines to adeptly fulfill complex client demands.

Shandong Jinchi has achieved international acclaim, with certifications like TUV ISO900, ISO14001, ISO45001, and dual endorsements from SGS and BV, marking it as a paragon of quality. Our sophisticated laboratory is replete with advanced testing machinery including spectrometers, hardness testers, drop testers, and impact testers, ensuring meticulous quality control and traceability across all stages-from raw material intake to final product dispatch.
Our esteemed clientele spans across Southeast Asia, Africa, and Latin America, encompassing over 40 countries. We have forged strong business partnerships with globally renowned mining enterprises, along with cement, thermal power, and chemical plants, consistently earning their commendations.