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Guangzhou Zhongli Technology Co., Ltd

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City:guangzhou

Country/Region:china

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China Industrial Precision Hardened Stainless Steel Grinding Balls Media HRC60 wholesale

Industrial Precision Hardened Stainless Steel Grinding Balls Media HRC60

Name: Industrial Precision Hardened Stainless Steel Grinding Balls Media HRC60
Brand: Zhongli
Price: 1 USD

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Brand Name :Zhongli

Model Number :SGB-01

Certification :CE ISO

Place of Origin :China

MOQ :1kg

Payment Terms :L/C,T/T,Western Union,MoneyGram

Supply Ability :15-20ton per month

Delivery Time :within 15days

Packaging Details :plastic+drum

Corrosion Resistance :Ideal for wet grinding

Hardness (HRC) :20–25 (annealed) / 50–58 (hardened)

Density (g/cm³) :7.9 (304/316L) / 7.7 (440C)

Max Temp. Resistance :800°C (316L) / 540°C (440C)

Cost Efficiency :Good

Materials :Stainless Steel

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Product Description

Precision Hardened Grinding Balls HRC 60+ for Maximum Wear Life: The Ultimate Guide

In the world of industrial milling and grinding, the choice of grinding media can significantly impact the efficiency and cost-effectiveness of operations. Precision hardened grinding balls HRC 60+ are at the forefront of maximizing wear life and reducing operational costs.

What Are Precision Hardened Grinding Balls HRC 60+?

Precision hardened grinding balls are metallic spheres used in various grinding and milling processes. These balls are renowned for their high hardness levels, typically exceeding HRC 60, which ensures maximum wear life. Made from high-alloy steel with chromium content ranging from 11% to 19%, these balls are designed to withstand the rigors of industrial grinding applications.

Key Features of Precision Hardened Grinding Balls

High Hardness: Achieving hardness levels of HRC 60 to 65, these balls are engineered to resist wear and abrasion.
Chromium Content: With chromium levels between 11% and 19%, these balls offer enhanced corrosion resistance and durability.
Optimized Alloy Composition: Years of research have led to alloy compositions that meet market demands, ensuring optimal performance.
Manufacturing Process: Produced using horizontal casting processes and subjected to regular chemical and microscopic examinations, these balls guarantee fracture strength and a geometrically round shape.

Applications of Precision Hardened Grinding Balls

These grinding balls are versatile and find applications across various industries, including:

Cement Industry: Particularly useful in the 2nd and 3rd chambers of tube mills for cement and raw meal grinding.
Mining Industry: Utilized in ore processing to reduce wear and improve efficiency.
Automotive Industry: Employed in manufacturing processes requiring high precision and durability.
Aerospace and Defense: Used in critical bearings and guidance systems where precision is paramount.

Benefits of Using Precision Hardened Grinding Balls

Enhanced Wear Resistance

One of the primary advantages of precision hardened grinding balls is their exceptional wear resistance. The high chromium content and optimized alloy composition ensure that these balls can withstand extreme grinding conditions, resulting in longer service life and reduced replacement costs.

Improved Efficiency

With their high hardness and durability, these grinding balls contribute to more efficient grinding processes. They minimize energy consumption by maintaining consistent performance over time, leading to cost savings and improved productivity.

Versatility

The wide range of applications for precision hardened grinding balls makes them a versatile choice for industries requiring reliable grinding media. Whether in cement mills or aerospace bearings, these balls offer consistent performance and reliability.

Comparing Precision Hardened Grinding Balls to Other Grinding Media

Hardened Steel Balls

While hardened steel balls are commonly used in various applications, they typically have lower hardness levels compared to precision hardened grinding balls. This results in reduced wear resistance and shorter service life, making precision hardened grinding balls a superior choice for demanding applications.

Alloyed White Cast Iron Balls

Alloyed white cast iron balls offer excellent abrasion resistance but often suffer from issues like breaking and spalling under high-impact conditions. Precision hardened grinding balls, with their optimized alloy composition, provide a balanced solution with both high abrasion resistance and impact durability.

Physical Parameters

Technical Parameters of 304 Stainless Steel Mill Balls
Items	Data
Tensile Strength	100,000-180,000 psi
Yield Strength	50,000-150,000 psi
Tensibility	55%-60%
Modulus of Elasticity	29,000,000 psi
Chemical Composition Content of 304 Stainless Steel Mill Balls
Chemical Element	Percentage of Content (%)
Fe	67.4-70.6
C	0.1
Si	1
Mn	2
P	0.045

Features

1. Anti-erosion and corrosion resistance.
2. No magnetic and demagnetization character, HRC≤26.
3. It applies to grinding of various materials.
4. Good shape of ball with Smooth and gloss surface.
5. Its one of the most Cost- effective ball mill media.

Property	Stainless Steel (304/316L)	Stainless Steel (440C)	Ceramic (ZrO2/Si3N4)	Chrome Steel (52100)
Hardness (HRC)	20–25 (annealed) / 50–58 (hardened)	58–62	60–70 (ZrO2) / 75+ (Si3N4)	60–66
Density (g/cm³)	7.9 (304/316L) / 7.7 (440C)	7.7	6.0 (ZrO2) / 3.2 (Si3N4)	7.8
Corrosion Resistance	⭐⭐⭐⭐⭐ (316L) / ⭐⭐⭐ (440C)	⭐⭐⭐	⭐⭐⭐⭐⭐	⭐⭐
Wear Resistance	⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐⭐	⭐⭐⭐⭐⭐
Impact Toughness	⭐⭐⭐⭐	⭐⭐⭐	⭐⭐ (brittle)	⭐⭐⭐⭐
Max Temp. Resistance	800°C (316L) / 540°C (440C)	540°C	1,400°C (Si3N4)	300°C
Cost Efficiency	⭐⭐⭐⭐	⭐⭐⭐	⭐⭐ (expensive)	⭐⭐⭐⭐

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FAQ

1. What are stainless steel mill balls?

Stainless steel mill balls are spherical components made from stainless steel, used primarily in grinding, milling, and mixing applications. They are known for their durability, corrosion resistance, and ability to withstand high-stress environments.

2. What materials are stainless steel mill balls made from?

Common materials include:

304 Stainless Steel: General-purpose, corrosion-resistant.
316 Stainless Steel: Higher corrosion resistance, ideal for harsh environments.
420 Stainless Steel: Harder and more wear-resistant.
440C Stainless Steel: High hardness and wear resistance, suitable for heavy-duty applications.

3. What are the primary uses of stainless steel mill balls?

Grinding and milling media in industries like mining, chemicals, and pharmaceuticals.
Mixing and dispersing in paint, ink, and food production.
Precision components in bearings, valves, and pumps.
Decorative or functional elements in furniture and art.

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