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What Is Steel Grit?

Steel grit is an abrasive material made from high-quality steel particles that are used for surface preparation, cleaning, and abrasive blasting applications. It is widely utilized in industries such as construction, manufacturing, shipbuilding, and foundries. Steel grit is distinct from steel shot in terms of shape and application.

Unlike steel shot, which has a spherical or rounded shape, steel grit is angular or shard-like in form. The manufacturing process involves crushing steel shot into smaller particles and then tempering them to achieve the desired hardness. This results in sharp-edged grits that are highly effective in removing tough coatings, rust, and scale from various surfaces.

Advantages of Steel Grit

High durability

Steel grits are extremely durable and can be reused multiple times, making them a cost-effective option for abrasive blasting.

Effective surface preparation

Steel grits are highly effective in removing rust, paint, and other surface coatings, providing an excellent surface preparation for subsequent coating or finishing processes.

High cleaning speed

Steel grits can clean surfaces quickly and efficiently, reducing downtime and increasing productivity.

Versatile

Steel grits can be used on a wide range of materials, including steel, concrete, and masonry.

Bearing Steel Sand
Bearing steel sand is a special sand material used for metal bearing processing and rust removal, mainly made of high-quality bearing steel, with high hardness, high density and wear resistance,
Steel Grit Blasting
Model: Steel grit, Secondary Quenching Steel Grit, China Precision Steel Grit.Specification grade: G10-G120.Material: High carbon steel, alloy steel.Scope of application: 40-60HRC.Size：2.0-0.2 mm or
Steel Shot Grit
Model: steel shot grit.Specification grade: GH10-GH120.Material: High carbon steel, alloy steel.Scope of application: 60-65HRC.Size：2.0-0.2 mm or can be customized according to customer
GL 25 Steel Grit
Model: Steel grit, Secondary Quenching Steel Grit, China Precision Steel Grit.Specification grade: GL25.Material: High carbon steel, alloy steel.Scope of application: 53-60HRC.Size：1.0 mm or can be
Steel Grit
Model: Steel grit, Secondary Quenching Steel Grit, China Precision Steel Grit.Specification grade: G10-G120.Material: High carbon steel, alloy steel.Scope of application: 40-65HRC.Size：2.0-0.2 mm or
Steel Abrasive Grit
Model: steel abrasive grit.Specification grade: G10-G120.Material: High carbon steel, alloy steel.Scope of application: 40-60HRC.Size：2.0-0.2 mm or can be customized according to customer
Single Quenched Steel Grit
Primary quenching steel grit is an abrasive used in the heat treatment of metals to increase the hardness and strength of metals. It has high wear resistance and high permeability, while also
Double quenched steel grit
Secondary quenching steel grit is quenched again by tempering martensite to change its internal structure and metallographic structure, which belongs to tempered bainite, high wear resistance and
Steel Shots And Grits
Model: Steel grit, Secondary Quenching Steel Grit, China Precision Steel Grit.Material: High carbon steel, alloy steel.Scope of application: 40-63HRC.Size：0.2mm-3.0mm or can be customized according
GH 40 Steel Grit
Model: Steel grit, Secondary Quenching Steel Grit, China Precision Steel Grit.Specification grade: GH40.Material: High carbon steel, alloy steel.Scope of application: 60-63HRC.Size：0.7mm or can be
GL 40 Steel Grit
Model: Steel grit, Secondary Quenching Steel Grit, China Precision Steel Grit.Specification grade: GL40.Material: High carbon steel, alloy steel.Scope of application: 56-60HRC.Size：0.7 mm or can be
Alloy Steel Grit
Alloy steel grit is a high-strength cleaning material, made of alloy steel, which has the characteristics of wear resistance and corrosion resistance. It is suitable for surface cleaning and

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Why Choose Us

Quality assurance

The company has a complete quality inspection procedure and modern inspection and control equipment to ensure that the quality indicators of the products meet national standards and exceed the standards of the american motorcycle engineering association.

Our services

Choose shengxiang photosynthetic metal abrasives, you can get the following services: The most perfect polishing shot quality, the best sandblasting effect, the highest production efficiency and the lowest production cost.

Our factory

Binbo expressway is 10 kilometers away, the factory area is 9,800 square meters, and there are 110 production and professional technicians of various types.

Advanced technology

Our factory has advanced production technology and adopts modern measurement and control methods. The product indicators meet or exceed the national gb6484-86 (cast steel shot) and gb6485-86 (cast steel sand) standards. The product has uniform particle size, high quality and low price, moderate hardness, fine structure and high strength.

Types of Steel Grit

Angular steel grit
A cast steel angular grain produced by crushing specially heat-treated oversized shot pellets. We thus obtain a grit media of martensitic steel. Specific crushers and a controlled process make it possible to obtain angular and efficient shapes abrasive, well within the characteristics required by the SAE J199 and ISO 11124 standards.

GP steel grit
40-51 HRc (per GS SAE Spec) / 470-550 HV (WA Spec)
Quenched and tempered, angular when new, this grit rapidly rounds off in use and is particularly suited to descaling applications.

GB steel grit
47-56 HRc (per GM SAE Spec)
More aggressive than GP grit, GB steel grit (on special order only) can be the perfect solution for surface preparation with a shot blasting machine.

GL steel grit
54-61 HRc (per GL SAE Spec) / 570-720 HV (WA Spec)
Quenched and tempered, although harder than GP & GB steel grit, GL also loses its sharp edges during shot blasting and is particularly suited to descaling and surface preparation applications.

GH steel grit
60 HRc minimum (per SAE GH Spec) / 770 HV min. (WA Spec)
Quenched with maximum hardness, GH always remains angular in its operating mix. These abrasives are particularly effective in surface treatment processes and produce a uniform, etched finish. For use mainly with compressed air equipment.

WGR steel grits
Steel grits WGR are special products used for the cutting of hard stone products such as granite. Ask our commercial-technical teams for more details.

Application of Steel Grit

Surface preparation
Steel grits are widely used for surface preparation before applying coatings, paints, or adhesives. They effectively remove rust, scale, old coatings, and contaminants from metal surfaces, ensuring proper adhesion of the subsequent materials.

Rust and corrosion removal
Steel grits are used to remove heavy rust, corrosion, and mill scale from metal surfaces, especially in industries such as shipbuilding, marine maintenance, and structural steel fabrication.

Preparation for welding
Prior to welding or other joining processes, steel grits can be used to clean and prepare surfaces, ensuring strong and clean weld joints.

Concrete and stone surface preparation
Steel grits can be used to clean and prepare concrete and stone surfaces, such as for restoration projects, where the removal of old coatings, stains, or contaminants is necessary.

Shot peening
While steel shots are more commonly used for shot peening, steel grits can also be utilized for this process. Shot peening involves bombarding a surface with abrasive particles to induce compressive stress, which enhances the material’s strength and fatigue resistance.

Deburring and deflashing
Steel grits are used to remove burrs, sharp edges, and excess material from metal parts, especially in manufacturing processes where precision and smoothness are required.

Foundry applications
Steel grits are used in foundries for cleaning and preparing casting surfaces, mold and core removal, and general metal surface treatment.

Surface profiling
Steel grits are employed to create specific surface profiles, especially in industries like construction and shipbuilding. These profiles improve coating adhesion and provide better grip for anti-slip surfaces.

Stone cutting and etching
In the construction and monument industries, steel grits are used for cutting and etching stones and other hard materials, creating intricate designs and patterns.

Oil and gas industry
Steel grits are utilized for surface preparation in the oil and gas industry, such as cleaning pipelines, tanks, and other equipment.

Automotive industry
Steel grits can be used for stripping paint and coatings from automotive parts, preparing surfaces for refinishing or restoration.

A Breakdown of the Main Differences Between Steel Shot and Steel Grit

Composition

Steel shot: Steel shot is made from high-quality, hardened, and spherical steel particles. It is typically produced through a process of cutting steel wire into small pellets and then rounding them off through a heat treatment process.
Steel grit: Steel grit is made from crushed steel media, often obtained by crushing steel shot. It has a more angular shape compared to steel shot.

Shape

Steel shot: Steel shot has a round and spherical shape. The spherical nature allows it to impact a surface evenly and produce a smoother finish.
Steel grit: Steel grit has a more angular and rough-edged shape. The angular particles provide aggressive cutting and etching action, making it suitable for applications where a rough surface profile is desired, such as in preparation for coatings or adhesives.

Hardness

Steel shot: Steel shot is available in different hardness levels, ranging from softer to harder options. This allows for various levels of surface cleaning and preparation, depending on the hardness of the shot.
Steel grit: Steel grit is typically harder than steel shot. The angular shape and hardness of steel grit contribute to its ability to remove tougher coatings and achieve a coarser surface profile.

Applications

Steel shot: Steel shot is often used for cleaning, peening, and polishing surfaces, where a smoother finish is required. It is commonly used in applications such as shot blasting, shot peening, and cleaning metal parts.
Steel grit: Steel grit is preferred for applications that require more aggressive surface cleaning and preparation, such as removing rust, scale, old coatings, and corrosion. It is commonly used in industries like shipbuilding, construction, and foundries.

Surface profile

Steel shot: Steel shot tends to create a smoother surface profile, making it suitable for applications where a fine or even surface finish is desired.
Steel grit: Steel grit generates a rougher surface profile due to its angular particles, which is advantageous for coatings to adhere better and provide improved mechanical bonding.

How to Choose a Steel Grit

Hardness
The hardness of the steel grit is an important factor to consider. Harder grits are generally more durable and long-lasting, but they can also be more aggressive and abrasive. Softer grits may be less aggressive, but they may wear out more quickly. The hardness of the steel grit is measured on the Rockwell C scale, with higher numbers indicating greater hardness.

Shape
The shape of the steel grit can also affect its performance. Angular grits are generally more aggressive and can remove material more quickly, while rounded grits are less aggressive but may leave a smoother surface. Beveled grits have a combination of angular and rounded edges, and may be a good compromise between aggression and smoothness.

Size
The size of the steel grit is another important factor to consider. Larger grits are generally more aggressive and can remove material more quickly, but they may also leave a rougher surface. Smaller grits are less aggressive and can leave a smoother surface, but they may take longer to remove material. The size of the grit is typically measured in mesh size, with larger numbers indicating smaller grits.

Material
The material you are blasting can also affect the choice of steel grit. For example, if you are blasting a soft material like aluminum, you may want to use a softer grit to avoid damaging the surface. If you are blasting a harder material like steel, you may want to use a harder, more aggressive grit.

Application
The application of the blasting is another important factor to consider. If you are blasting for a coating application, you may want to use a finer grit to achieve a smooth surface that will adhere well to the coating. If you are blasting for a cleaning application, you may want to use a more aggressive grit to remove all the dirt and rust from the surface.

How the Steel Grit Works

Steel grit is an abrasive that consists of small, randomly shaped particles that can be easily screened out. Its high hardness makes it useful for removing scale from steel parts and sand from castings. The process is simple, and composite companies offer a variety of hardness grades. You can choose from GL, GH, or HRC, depending on the level of aggressiveness you want. Whatever type of abrasive you choose, it's worth researching.

There are many ways to make steel grit, but the most common method is to crush steel shot. The resulting substance is usually jagged and can effectively grind materials. Its chemical composition varies depending on the application. The simplest method is to crush steel shot and then screen the resulting product to ensure that the particles are uniform in size. Once steel grit is produced, it goes through a screening process to determine the particle size and is then graded according to SAE standards.

Steel grit is a very versatile abrasive that can be used in the forging industry. Unlike steel shot, steel grit is highly abrasive and can be used to remove scale from steel parts. This material can also be used for sandblasting in the forging industry and has many other uses. If you want to use it in the forging industry, it's best to understand how steel grit is made and why it is so important.

Steel grit is an abrasive used in the forging industry. Its serrated shape and high abrasiveness make it ideal for the sandblasting industry. For example, it can be used to remove the oxide layer that protects metal parts. It can also be used in forging operations to remove sand from castings. It is an excellent choice for sharp edges.

Steel grit is used for sandblasting. It is serrated and abrasive and is used to remove sand from castings. Its uses in sandblasting include cleaning steel parts, removing burrs, and improving coating adhesion. When it comes to steel grit, the process is fairly simple. Basically, you will crush steel shot in a grinder and use it for sandblasting.

Safety Precautions When Using the Steel Grit

Personal protective equipment (ppe)
Using steel grit involves exposure to fine particles that can pose respiratory and skin hazards. Workers should wear appropriate ppe, including:
● Respirators: To prevent inhalation of dust and fine particles.
● Safety goggles: To protect eyes from flying debris.
● Gloves: To shield hands from abrasive particles.
● Protective clothing: To cover skin and reduce the risk of abrasions.

Ventilation and dust control
Adequate ventilation is crucial when working with steel grit, especially in enclosed spaces. Implementing local exhaust ventilation systems can help capture airborne particles at the source. Using dust collection systems will further minimize the spread of particulate matter, maintaining air quality and reducing respiratory risks.

Training and awareness
Workers should be trained in the correct handling and application of steel grit. Understanding the potential hazards associated with various steel shots and how to mitigate them is critical. Regular training sessions and safety briefings can ensure that safety protocols are followed meticulously.

Equipment maintenance
Regular maintenance of blasting equipment and protective gear is essential. Checking for wear and tear and replacing damaged components can prevent malfunctions and accidents. Ensuring that all equipment is functioning correctly reduces the risk of injury.

Proper storage and disposal
Steel grit should be stored in a dry, cool place to prevent moisture absorption, which can compromise its effectiveness and safety. Proper disposal methods must be followed to avoid environmental contamination. Used steel grit can contain hazardous substances from the materials it has blasted, requiring appropriate disposal procedures.

Risk assessments and safety plans
Conducting regular risk assessments can help identify potential hazards associated with the use of steel grit in different steel shots. Developing and implementing comprehensive safety plans tailored to specific operations can significantly enhance workplace safety.

Our Factory

Our company was founded in 2001, it's located in Zibo Luzhong Porcelain Capital, south of Jinan-Qingdao Expressway. The Binbo expressway is 10 kilometers each, the factory area is 9,800 square meters, and there are 110 various production and professional technical personnel. In accordance with the modern enterprise operation and management mode, the company adheres to the quality policy of zero defect, and has formed steel grit, steel shot, stainless steel. Our company has the perfect quality examine program and modern test-con-trol equipment guarateed that various quality index of the product reached the country standard, and even to go beyond the standard of american moto engineer society.

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FAQ

Q: What is steel grit?

A: Steel grit is a hard, angular abrasive material made from high-carbon steel, used primarily in blast cleaning and surface preparation processes.

Q: What are the typical applications of steel grit?

A: Steel grit is used in a variety of applications, including cleaning, descaling, deburring, and finishing metal surfaces, as well as in the preparation of surfaces for painting or coating.

Q: How is steel grit produced?

A: Steel grit is produced by melting steel in a furnace, casting it into ingots, and then crushing and screening the ingots to obtain the desired size and shape.

Q: What are the different types of steel grit?

A: The most common types of steel grit include G11, G25, G40, and G60, with the numbers indicating the hardness and particle size.

Q: What is the difference between steel grit and steel shot?

A: Steel grit has a sharp, angular shape, which makes it more aggressive and effective for removing coatings and rust. Steel shot is round and softer, making it suitable for more delicate finishing tasks.

Q: What is the hardness of steel grit?

A: The hardness of steel grit can vary, but it is typically around 50-60 on the Rockwell hardness scale, which makes it very durable and effective as an abrasive.

Q: Can steel grit be recycled?

A: Yes, steel grit can be recycled and reused many times in blasting operations, which makes it a cost-effective and environmentally friendly choice.

Q: What is the particle size range of steel grit?

A: Steel grit particle sizes can range from very fine (0.1 mm) to quite coarse (2.0 mm), depending on the specific application requirements.

Q: What is the impact of steel grit on the surface finish?

A: Steel grit produces a rougher surface finish compared to steel shot, which can be desirable for applications requiring high surface roughness.

Q: How is steel grit used in blast cleaning?

A: Steel grit is propelled at high velocity by a blast cleaning machine against the surface to be cleaned, effectively removing rust, scale, and other contaminants.

Q: What safety precautions should be taken when using steel grit?

A: Safety precautions include wearing appropriate personal protective equipment (PPE), such as gloves, goggles, and a dust mask, and ensuring proper ventilation.

Q: How does the shape of steel grit affect its performance?

A: The angular shape of steel grit allows it to cut into the surface, providing more efficient cleaning and surface preparation compared to round-shaped abrasives.

Q: What are the environmental considerations of using steel grit?

A: Steel grit is generally considered environmentally friendly due to its recyclability and the fact that it does not contain toxic materials.

Q: Can steel grit be used on non-metallic surfaces?

A: While steel grit is primarily used on metallic surfaces, it can be used on certain non-metallic surfaces, such as concrete, for cleaning and texturing purposes.

Q: How does the hardness of steel grit affect its performance?

A: Harder steel grit can remove tougher coatings and rust more effectively but may also result in deeper surface profiles, which may not be suitable for all applications.

Q: What factors should be considered when choosing the right steel grit for a specific application?

A: Factors to consider include the material being blasted, the desired surface finish, and the type of coating that will be applied after blasting.

Q: How is the quality of steel grit determined?

A: Quality is determined by factors such as hardness, particle size distribution, and the presence of impurities that could affect performance.

Q: Is steel grit suitable for all types of blast cleaning machines?

A: Steel grit can be used in most types of blast cleaning machines, including pressure and suction blast cabinets, but the specific requirements of the machine should be considered.

Q: What is the expected lifespan of steel grit in a blasting operation?

A: The lifespan of steel grit can vary widely depending on the application and the intensity of use, but it is generally reused multiple times before needing replacement.

Q: What precautions should be observed when blasting?

A: Sandblasting safety measures require that workers wear protective helmets, clothing, gloves, safety footwear, earplugs, safety goggles and other OSHA-recommended equipment. Provide workers with proper respiratory equipment.

We're well-known as one of the leading steel grit manufacturers and suppliers in China. Please feel free to buy high quality steel grit at competitive price from our factory. For quotation, contact us now.

Seconday quenching steel grit G120, Primary quenching steel grit GL25, Precision steel grit G50