60Mn and 65Mn Forged Steel Grinding Balls for Cement and Coal Mill Applications

Product Description

Product Description

60Mn & 65Mn Forged Steel Grinding Balls for Cement and Coal Mill Applications

Update:August 19th, 2026

Balanced Hardness, Toughness and Wear Resistance for Continuous Grinding

JUNDA 60Mn and 65Mn forged steel grinding balls are designed for continuous grinding applications in cement ball mills and coal grinding mills. Manufactured from selected carbon-manganese steel and processed through controlled forging and heat treatment, they provide a practical balance of hardness, toughness and wear resistance.

Available in multiple diameters, JUNDA grinding balls can be selected according to mill type, feed material, mill size and operating conditions.

Why Choose 60Mn & 65Mn Forged Grinding Balls?

01 Balanced Hardness
60Mn and 65Mn grinding balls provide a practical hardness level for continuous grinding applications, helping resist wear while maintaining sufficient toughness.

02 Good Wear Resistance
The carbon-manganese steel composition and controlled heat treatment provide stable wear performance during continuous grinding.

03 Good Toughness
The forged structure and controlled heat treatment help the grinding balls withstand repeated impact during mill operation.

04 Cost-Effective Grinding Media
Compared with higher-alloy grinding media, 60Mn and 65Mn can provide a balanced performance-to-cost solution for suitable cement and coal grinding applications.

60Mn vs. 65Mn Forged Grinding Balls

Feature	60Mn	65Mn
Material Type	Carbon-manganese steel	Higher-carbon manganese steel
Diameter	20–100 mm*	20–100 mm*
Surface Hardness	58–62 HRC*	57-62 HRC
Core Hardness	55-59 HRC	54-60 HRC
Hardness	Moderate–High	High
Wear Resistance	Good	Higher
Toughness	Good	Good
Cost Performance	Excellent	Excellent
Typical Selection	General continuous grinding	Higher wear-demand conditions
Application	Cement & Coal Grinding	Cement & Coal Grinding
60Mn is suitable when a balanced combination of wear resistance, toughness and cost is required. 65Mn can be considered when higher hardness and wear resistance are preferred. The final selection should be based on mill conditions, material abrasiveness, ball size and actual grinding media consumption. Final hardness values should be based on JUNDA's actual inspection standard for each diameter.

Technical Parameters — 60Mn / 65Mn Forged Steel Grinding Balls
Size (mm)	Inch Equiv.	Weight (kg)	Tolerance (mm)	Grade	Surface HRC	Core HRC
Ø20	3/4"	0.037 ± 0.005	±1	60Mn	58–62	55–59
Ø25	1"	0.072 ± 0.010	±1	60Mn	58–62	55–59
Ø30	1-1/4"	0.130 ± 0.020	±1	60Mn	58–62	55–59
Ø40	1-1/2"	0.300 ± 0.040	±1	60Mn / 65Mn	58–62	55–59
Ø50	2"	0.600 ± 0.050	±1.5	65Mn	59–62	56–60
Ø60	2-1/2"	1.000 ± 0.050	±1.5	65Mn	59–62	56–60
Ø70	2-3/4"	1.600 ± 0.060	±2	65Mn	58–62	55–59
Ø80	3"	2.100 ± 0.060	±2	65Mn	58–62	55–58
Ø90	3-1/2"	3.000 ± 0.070	±2	65Mn	58–61	55–58
Ø100	4"	4.100 ± 0.150	±2	65Mn	57–61	54–57
Chemical Composition
Grade	C%	Si%	Mn%	Cr%	P%	S%
60Mn	0.57–0.65	0.17–0.37	0.70–1.00	≤0.25	≤0.035	≤0.035
65Mn	0.62–0.70	0.17–0.37	0.90–1.20	≤0.25	≤0.035	≤0.035

Applications in Cement Grinding

Applications in Coal-Fired Power Plants

60Mn & 65Mn Grinding Balls for Cement Ball Mills
Cement grinding requires grinding media that can maintain stable performance during continuous operation. 60Mn and 65Mn forged steel balls can be used in suitable cement ball mill applications where balanced wear resistance, toughness and cost efficiency are important.
 
Suitable for:
Cement clinker grinding
Cement finish grinding
Cement ball mills
Continuous ball mill grinding
Cement grinding circuits

Product benefits:
Stable grinding performance
Controlled hardness
Good wear resistance
Reduced risk of premature breakage
Cost-effective media selection

60Mn & 65Mn Grinding Balls for Coal Grinding
For coal-fired power plants equipped with ball mills or tube mills, grinding media must withstand repeated impact and abrasion during coal pulverization. 60Mn and 65Mn forged steel balls can be considered for suitable coal grinding systems where reliable wear performance and cost control are important.
 
Suitable for:
Coal ball mills
Ball-and-tube mills
Coal pulverization systems
Thermal power plant coal grinding
Continuous coal grinding

When Are 60Mn and 65Mn a Good Choice?

60Mn and 65Mn are practical choices when the grinding circuit requires a balance of wear resistance, toughness and cost. For highly abrasive ores or severe high-impact conditions, higher-alloy grades may be considered depending on the actual operating conditions.

How to Choose Between 60Mn and 65Mn?

Operating Condition	Recommended Consideration
General cement grinding	60Mn
Standard continuous grinding	60Mn
Higher wear demand	65Mn
More abrasive feed material	65Mn
Cost-sensitive applications	60Mn / 65Mn
Higher hardness requirement	65Mn
Need for balanced toughness	60Mn
The actual selection should be verified through mill operating data, feed characteristics and grinding media consumption.

What does Jinan Junda Industrial Technology Co., Ltd. do?

Jinan Junda Industrial Technology Co., Ltd. is a manufacturer and supplier specializing in sandblasting abrasives, equipment, and surface treatment solutions. Established in 2005, the company produces a wide range of products, including Steel Shot, Steel Grit, Garnet Sand, Glass Beads, Copper Slag, Brown Fused Alumina, White Fused Alumina, Black Silicon Carbide Powder, Forged Steel Balls, Cast Steel Balls, Chrome Steel Balls, Carbon Steel Balls, Stainless Steel Balls, Paint Sprayer Machines, Air Compressors, Air Storage Tanks, Sandblasting Machines, and related spare parts.

We also provide customized engineering support and OEM/ODM services. The company has obtained ISO 9001 and KOC certifications, as well as CE certification for applicable products. Serving customers worldwide across industries such as surface preparation and corrosion control, Jinan Junda is recognized for its quality products, professional service, and competitive pricing.

Our products are sold throughout China and exported to customers in more than 100 countries and regions, including the USA, Canada, Chile, Peru, Argentina, Australia, Germany, the UK, Denmark, Norway, Russia, Saudi Arabia, Japan, Malaysia, and South Africa. We also welcome OEM and ODM orders.

Whether you are selecting a product from our existing catalog or seeking engineering assistance for your application, our customer service team is available to discuss your sourcing requirements and provide professional support.

What is the quality of service and support provided by Jinan Junda Industrial Technology Co., Ltd.?

We are located in Jinan, China, with convenient transportation access. Dedicated to strict quality control and thoughtful customer service, our experienced team is always available to discuss your requirements and provide professional support to ensure customer satisfaction across various industries, including sandblasting, surface preparation, and corrosion control.

Adhering to the principle of mutual benefit, we have built a reliable reputation among our customers through our professional services, quality products, and competitive prices. We warmly welcome customers from China and around the world to cooperate with us for mutual success.

Which certifications has our company obtained?

Our operations and products are backed by key international certifications, including ISO 9001 for quality management, CE for the European market, and KOC for South Korea. These credentials are not just badges of compliance but essential enablers of our global reach, supporting our exports to a network of over 100 countries and reinforcing our clients' trust in our professional standards.

FAQ

Q1: What is the advantage of your company?

A: JUNDA's experience combines with technical expertise.. With 20+ years devoted to the art of crafting premium steel balls, we stand at the forefront of the industry, delivering unmatched quality and innovation.
Q2. In which countries are your products sold?
A: Our global footprint spans continents! From the Americas to Africa and beyond,our products reach Mexico, Canada, Brazil, and nations across Africa like Tanzania and Ghana, extending to the dynamic markets of Asia and Australia. 
Q3: Are you trading company or manufacturer?
A: Proudly, we are a factory, where superior craftsmanship meets industrial prowess,giving birth to products that set benchmarks.
Q4: How long is your delivery time?
A: Typically, our efficient processes ensure a delivery window of 10-15 days, though this can vary with order volumes to better suit your needs.
Q5: Do you provide samples? Is it free or extra?
A: Absolutely! We are pleased to offer samples at no charge, although we request that you handle the freight cost.
Q6: What is your terms of payment?
A:We offer convenient T/T payment options: 30% upfront and 70% upon the copy of B/L.Alternatively, we accept L/C: a 100% Irrevocable letter of credit at sight, combiningflexibility with security in transactions.