Forged Steel Grinding Media Steel Ball with High Hardness and Impact 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: Options include 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, BG
2. Diameter: Tailored from 20mm up to 150mm
3. Hardness: Exceptional HRC range of 55-65
4. Breakage Rate: Remarkably low, under 1%
5. Impact Value: Exceeds 12j/Cm^2 for robust performance
6. Falling ball times: Endures a minimum of 20,000 strikes

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. Ocean shipping for international reach
2. Tailored transport: As designated by customers.
3. Packing Details: A. Secure steel drums (850-930kgs/drum) B. Sturdy flexible container bags (1 ton/bag)
4. Delivery Details: Prompt dispatch within 15-20 days following payment or LC at sight.

Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. is a professional enterprise specializing in the manufacturing of forged and hot-rolled grinding balls, as well as alloy grinding steel rods for over a decade. With an impressive annual output of 100,000 tons, we boast 10 of the world's most advanced forging and automatic rolling production lines, artfully catering to diverse customer needs.

Shandong Jinchi has achieved prestigious international and industry certifications including TUV ISO900, ISO14001, and ISO45001. We are also doubly certified by SGS and BV as a qualified factory. Our state-of-the-art laboratory, equipped with advanced testing equipment like spectrometers, hardness testers, drop testers, and impact testers, ensures rigorous quality control and traceability at every stage, from raw materials to final product dispatch.
Our esteemed clientele spans across Southeast Asia, Africa, and Latin America, encompassing over 40 countries. We enjoy robust partnerships with prominent mining companies, cement plants, thermal power plants, and chemical plants globally, earning commendations for our reliable product quality and service.