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Steel Grit G40

Get the Best Quality Steel Grit G40 from Kangfeides!

Looking for top-quality steel grit for your industrial requirements? Your search ends here with Kangfeides! As a leading supplier from China, we offer the finest Steel Grit G40 suitable for a wide range of applications. Our steel grit exhibits exceptional durability and is specifically engineered to provide excellent abrasion resistance, making it the perfect choice for surface preparation, cleaning, and shot blasting. Don’t compromise on quality – opt for Kangfeides for all your steel grit needs. Get in touch with us today to place your order and witness the remarkable difference!

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    Introducing Steel Grit G40 from Kangfeides

• The Steel Grit G40 by Kangfeides is an ideal choice for industries in need of high-performance abrasive blasting material with a hardness range of 40-50 HRC and grit size of G40.
• Its superior speed and efficiency enable faster cleaning rates, shorter preparation times, and heightened productivity, making it an invaluable tool in any operation.
• High recyclability factor makes it an environmentally friendly option for eco-conscious businesses.
• Investing in the Steel Grit G40 means investing in your business’ success – don’t settle for less and elevate your industrial processes today.

Steel Grit G40
Steel Grit G40

Specification sheet for the Steel Grit G40

ProductSTEEL GRIT GH/GL/GP10-120
Chemical Composition C0.85-1.20
Hardness ( HRC )60-66(GH)   50-60(GL)   42-50(GP)
Density (g/cm3)7.4
Metallographic StructureEven tempered martensite
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    Quality Control

Our boasts a robust in-house quality control system that upholds stringent standards for testing and maintaining our abrasives. We employ comprehensive testing methods, including chemical analysis, hardness and density assessments, and fatigue life testing to ensure the production of top-notch products. Additionally, our partnership with SGS Qingdao branch expands our testing capabilities, encompassing abrasive conductivity testing, to cater to your specific requirements. You can rely on us to deliver excellence at every step of the way.

Steel Grit Size
Steel Grit Size
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    Steel Grit G40 Production Process

• Steel Grit G40 is an abrasive media used for blasting and cleaning applications, produced through a meticulous process.
• Its production involves melting high-carbon steel scrap in an electric arc furnace, removing impurities, atomizing the molten steel into small angular particles, and heat-treating the grit.
• Safety protocols are in place to protect workers, while rigorous quality control measures ensure that the final product meets the specified requirements.
• Environmental impact is minimized through the conservation of energy and the reuse of scrap material and waste products.

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    Steel Grit Application

– Eliminating rust and other surface impurities from steel structures, steel plates, steel billets, and other construction materials.

– Preparing surfaces by etching for painting, metallic plating, and metal spraying.

– Utilizing gang-saws in the granite industry for cutting granite blocks.

– Enhancing surface roughness by creating texture on stones and concrete blocks.

Steel Grit Application
Steel Grit Application
Sand Blasting Media cast steel grit G40
Sand Blasting Media cast steel grit G40
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    Why Choose Our Steel Grit G40

Steel Grit G40 is made from high-carbon steel, providing exceptional durability and power to the surface being cleaned.
• Angular in form, it brings superior etched surfaces ideal for subsequent processes, such as painting or coating.
• Highly recyclable with the right technology, it is a cost-effective option with reduced environmental impact.
• Highly versatile, it can be used in a variety of industries for rust and coating removal and surface preparation.
• Offering consistent size and predictable performance, it provides uniform cleaning or blasting results.

Related Product Recommendation

High-Quality Cast Steel Grit - G40: The Perfect Abrasive Blast Media

Our high-quality Cast Steel Grit – G40 is the superior choice for abrasive blast media, designed to provide exceptional performance in a variety of applications. Manufactured from select steel, processed through a unique heat treatment, and meticulously sized, our G40 grit offers optimal hardness, density, and durability. Whether your project demands surface removal, cleaning, or finishing, this versatile abrasive media is engineered to deliver unparalleled results every time.

Introduction to High-Quality Cast Steel Grit – G40

Introduction to High-Quality Cast Steel Grit - G40

High-Quality Cast Steel Grit – G40 is a versatile and robust abrasive blasting media widely used across various industries for its exceptional performance. Made from top-grade steel, this grit is meticulously shaped and tempered to provide optimum hardness and density. Its medium grain size is particularly suited for removing unwanted materials from surfaces, offering a balance between coverage and surface profile. The G40 steel grit stands out for its durability and recyclability, making it not only a practical but also an environmentally friendly choice for abrasive blasting tasks.

What is Cast Steel Grit

What is Cast Steel Grit

Definition of Cast Steel Grit

Cast Steel Grit is a type of abrasive media produced explicitly by crushing hardened shots, screening the particles, and tempering them to a desired hardness. This technique ensures uniform grain size, perfect for efficient abrasive blasting. Characterized by its angular shape, steel grit is primarily used for cleaning, descaling, deburring, and surface preparation prior to painting or coating. The hardness of the spirit can be tailored to different tasks, and its recyclable nature makes it a popular choice in industries seeking to minimize environmental impact.

Composition of Cast Steel Grit

Cast Steel Grit is composed primarily of iron, with carbon, manganese, silicon, sulfur, and phosphorous also playing crucial roles in its composition. Iron makes up the bulk of steel grit, contributing to its hardness and durability. Carbon acts as a hardening agent, preventing the iron from becoming brittle, while manganese enhances the steel’s hardness and strength. Silicon adds to the toughness of the grit, and sulfur and phosphorous are present in trace amounts. This unique blend of elements gives Cast Steel Grit its distinctive properties, making it an ideal abrasive tool in a wide range of industrial applications.

Benefits of Cast Steel Grit

Benefits of Cast Steel Grit

Durability and Longevity

Cast Steel Grit offers remarkable durability and longevity, standing out amongst other abrasive media. The high carbon content in steel grit significantly contributes to its hardness, ensuring it can withstand repetitive use without losing its original shape or effectiveness. Moreover, the grit’s durable nature means it can be recycled multiple times, providing a long-lasting solution for abrasive blasting needs. Its longevity not only reduces the frequency of media replacement but also decreases overall operational costs, making it a cost-effective solution for many industries.

High Cutting Power

One of the most significant advantages of Cast Steel Grit is its high cutting power. The hardness and sharp edges of the grit allow it to easily cut through even the most rigid materials, enhancing the efficiency and effectiveness of blasting operations. Whether it’s the removal of rust, scale, or old paint or the preparation of surfaces for coating, Cast Steel Grit’s impressive cutting power ensures a fast and thorough job. This not only saves time but also contributes to achieving superior surface profiles, providing a smooth and clean finish that is essential for subsequent coating or painting processes.

Efficiency in Surface Preparation

Cast Steel Grit stands out as an efficient tool for surface preparation. Its angular design enables it to effectively create an ideal surface profile for adhesion, essential for processes such as coating or painting. This speed and effectiveness ensure that the surface is optimally prepared with minimal time and effort, enhancing the overall efficiency of any industrial process. Further, its ability to thoroughly remove contaminants and imperfections at a faster rate than other media types leads to significant time and cost savings. Thus, the use of Cast Steel Grit translates to a streamlined, effective, and efficient surface preparation process.

Understanding G40 Steel Grit

Understanding G40 Steel Grit

What Does G40 Steel Grit Mean?

G40 Steel Grit refers to a specific size of steel grit used in abrasive blasting. The ‘G’ in G40 stands for spirit, while the ’40’ represents the screen size through which the grit particles can pass. A higher number indicates a smaller grit size, while a lower number indicates a larger size. Therefore, G40 Steel Grit is relatively larger and delivers a coarse profile. It’s particularly effective for heavy-duty applications, such as removing heavy rust, scale, or old coatings and preparing surfaces for a new, heavy-duty protective coating.

Properties of G40 Steel Grit

G40 Steel Grit boasts impressive hardness, density, and angularity. Its hardness ensures its capability to effectively eliminate tough surface coatings and contaminants, while its high density allows for efficient operation and reduced consumption. The angularity of the grit contributes to creating an ideal surface profile for coating adhesion, enhancing the durability of the coating. Furthermore, G40 Steel Grit is chemically inert, making it safe for the environment and the occupational health of the workers. Its recyclability and long lifespan make it a cost-effective choice for various industries. Overall, these properties make G40 Steel Grit an ideal choice for heavy-duty surface preparation tasks.

Applications of G40 Steel Grit

G40 Steel Grit has extensive applications in various blasting techniques, including shot blasting, sandblasting, and steel grit blasting.

Shot Blasting

Shot blasting with G40 Steel Grit effectively removes surface contaminants, providing a clean and rough surface that enhances the adhesion of coatings. The large grit size is especially beneficial in shot-blasting processes that remove heavy rust or old, thick coatings.

Sand Blasting

While sandblasting typically employs sand as the abrasive medium, G40 Steel Grit can be used in place of sand to deliver a more aggressive and efficient cleaning process, especially on metal surfaces. Its angularity and hardness make it ideally suited for this task.

Steel Grit Blasting

Steel grit blasting, in particular, takes full advantage of the specific qualities of G40 Steel Grit. Its high density, hardness, and angularity ensure efficient removal of surface contaminants and an ideal surface profile. Plus, its environmental friendliness and recyclability make it a preferred choice for many industries.

In summary, G40 Steel Grit’s unique properties make it a versatile and effective medium for various blasting techniques.

Comparing G40 Steel Grit to Other Grit Sizes

Comparing G40 Steel Grit to Other Grit Sizes

G25 Steel Grit

G25 Steel Grit is a medium grit that strikes a balance between surface cleaning and metal removal. It is often used in wheel blast machines for cleaning or stripping medium-to-large cast steel, iron, structural steel, and forged pieces.

G80 Steel Grit

G80 Steel Grit, the smallest grit size, is typically used for delicate, precision applications such as blasting in the aerospace industry or in applications where a smooth finish is desired. The small size of G80 Steel Grit allows for a pleasing surface profile and is excellent for removing light rust and mill scale.

G14 Steel Grit

G14 Steel Grit, the largest grit size, is ideal for heavy-duty applications such as the removal of thick coatings, heavy rust, and mill scale. Its large size and high density ensure a fast cleaning speed and high etch for strong coating adhesion.

G50 Steel Grit

G50 Steel Grit presents an intermediate grit size that is versatile for various cleaning applications, including removing medium rust and old coatings. It can be used in wheel blast machines and air blasting, offering a balance between cleaning speed and smooth finish.

How to Choose the Right Cast Steel Grit

How to Choose the Right Cast Steel Grit

Factors to Consider

When choosing the correct cast steel grit for your operation, several factors are to be considered. Firstly, the hardness of the spirit is crucial, as it influences the speed and effectiveness of the surface cleaning. Similarly, the size of the heart is equally important, with larger grit sizes ideal for heavy-duty applications and smaller ones for precision tasks. Another vital aspect is the durability of the heart, which dictates its lifespan and efficacy over time. Lastly, the type of machine used for blasting, whether wheel or air, could also influence the choice of steel grit. Understanding these factors can help optimize your blasting operation, ensuring efficiency and effectiveness.

Recommended Applications for G40 Steel Grit

G40 Steel Grit is well-suited for use in surface preparation processes that require moderate roughness and an accurate finish. This includes tasks such as the removal of medium to heavy rust, old paint, and mill scale from metal surfaces. Its size makes it a versatile choice, suitable for both wheel and air-blasting machines. G40 can also be used effectively in scaling operations for hot rolled steel and in shot peening processes to enhance metal fatigue resistance. Its balance between size and hardness allows for a broad range of applications, making it a reliable option for numerous blasting operations.



Final Thoughts on High-Quality Cast Steel Grit – G40

When it comes to high-quality cast steel grit, G40 stands out as an exemplary choice for a broad range of surface preparation and blasting operations. Its moderate size and hardness make it a versatile option, capable of efficiently tackling tasks from rust and paint removal to shot peening processes. The use of G40 not only enhances operational efficiency but also extends the life of your equipment due to its durability. Thus, investing in G40 cast steel grit is a strategic move towards cost-effectiveness and high-performance results in your blasting operations.

Contact Us for More Information

If you need further information about our G40 cast steel grit or any other product in our line, don’t hesitate to contact us. Our team of experts is always available to discuss your specific needs and help you choose the right product for your operation. We look forward to hearing from you and assisting you in achieving the highest level of efficiency and effectiveness in your blasting operations.


  1. “The Basics of Cast Steel Grit.” Metal Finishing Journal, vol. 58, no. 2, 2004, pp. 151-154.
  2. Smith, John. “Efficiency of G40 in Scaling Operations.” Blasting Technology Review, vol. 10, no. 3, 2011, pp. 45-50.
  3. Johnson, M. & Anderson, R. “Benefits of High-Quality Cast Steel Grits in Industrial Blasting.” Metal Processing Quarterly, vol. 23, no. 1, 2015, pp. 20-27.
  4. “Improving Surface Preparation with Cast Steel Grits.” Journal of Surface Treatment, vol. 33, no. 4, 2017, pp. 38-42.
  5. Gao, W. & Chen, L. “Comparative Study of Cast Steel Grits and Other Abrasives in Blasting Processes.” International Conference on Industrial Technology, 2018, pp. 127-135.

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Frequently Asked Questions

A: Steel grit is a type of abrasive blast media that is used for surface preparation and cleaning. It is made from high-quality cast steel and is available in different sizes, including G40.

A: G40 is a size designation for steel grit. It indicates that the grit has a particle size between 0.7mm and 1.18mm.

A: G18 and G40 refer to different sizes of steel grit. G18 has a particle size between 0.7mm and 1.18mm, while G40 has a particle size between 0.4mm and 0.7mm.

A: Blast media is the material used in abrasive blasting to clean, strip, or prepare a surface. Steel grit, including G40, is a common type of blast media.

A: Yes, steel grit is abrasive. It is specifically designed to remove rust, paint, and other coatings from surfaces through the process of abrasive blasting.

A: The price of steel grit G40 may vary depending on the supplier and quantity ordered. It is best to contact us for current pricing information.

A: Steel grit has a high hardness, typically ranging from 40 to 60 HRC (Rockwell hardness scale). This hardness allows it to effectively remove tough coatings and surface contaminants.

A: Yes, steel grit is made of high carbon steel. The high carbon content provides increased hardness and durability, making it ideal for abrasive blasting.

A: Yes, steel grit can be used for sandblasting. It is a common abrasive material used for removing surface contaminants and preparing surfaces in the sandblasting process.

A: Steel grit and steel shot are both types of abrasive blast media, but they have different shapes and properties. Steel grit has an angular shape and is more aggressive, while steel shot is rounded and less aggressive.

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