SAE Steel Grit Abrasive for Machine Part Sandblasting Steel Grit Abrasive

Product Description

Product Description

SAE Steel Grit Abrasive for Machine Part sandblasting
update:January 13, 2026
The only factory in China have Cr element production technology, the fatigue life time can reach 2700-2800 times, longer  than the standard type(2000-2500 times)

Steel grit meet American SAE standard, have Moderate hardness, toughness, impact resistance, long lifetime, good elasticity and adhesion, low consumption, good technical effect.
I.Product Types & Characteristics

Type	Hardness	Wear Characteristic	Primary Application
GP Steel Grit	Standard	New: pointed and ribbed. Edges round quickly during use.	Ideal for steel surface pretreatment, especially for oxide removal.
GL Steel Grit	Higher than GP	Harder than GP, but still loses edges/corners during blasting.	Especially suitable for removing oxide scale on steel surfaces.
GH Steel Grit	Very High	Maintains sharp edges and corners throughout blasting operation.	Effective for creating a uniform, anchor-profile (dense, regular roughness).

II. General Product Information

• Production Process: Junda Steel Grit is manufactured by crushing steel shot into angular particles, which are then tempered to achieve different hardness levels for various applications. The grit is sized according to SAE standard specifications.

• Material Structure: It features a tight structure and uniform particle size.

• Primary Use: A common abrasive material for processing metal workpieces.

III. Key Advantages of Using Steel Grit/Shot

1. Increases Surface Stress: Treating metal surfaces with steel grit/shot enhances the surface compressive stress, thereby improving the workpiece's fatigue resistance.

2. Fast Cleaning Speed: Enables rapid cleaning of surfaces.

3. Excellent Rebound & Coverage: Good recyclability and ability to clean internal corners and complex-shaped workpieces uniformly and quickly.

4. Improves Efficiency: Shortens surface treatment time and boosts overall work efficiency.

1.Production Description

Steel Grit Size: G10 G12 G14 G16 18 G25 G40 G50 G80 G120 
Steel Grit Hardness: GP:40-51HRC(399509HV) / GL:50-55HRC(620713HV) /GH:60-68HRC(795889HV)

2.Specification 

Project		Quality
Chemical composition%	Cr	0.26%
	Si	0.4-1.2%
	Mn	0.6-1.2%
	S	<0.05
	P	<0.05
Hardness	steel shot	GP 40-51HRC;GL 50-55HRC;GH 60-68HRC
Density	steel shot	7.6g/cm3
Micro structure		Martensite  structure
Appearance		Angular
Type		G120,G80,G50,G40,G25,G18,G16,G14,G12,G10
Diameter		0.2mm,0.3mm,0.5mm,0.7mm,1.0mm,1.2mm,1.4mm,1.6mm,2.0mm,2.5mm
Application		1.Blast cleaning: Used for blast cleaning of casting, die-casting,forging; sand removal of  casting, steel plate, H type steel, steel structure.  2..Rust removal: Rust removal of casting, forging, steel plate, H type steel,steel structure.  3.Shot peening: Shot peening of gear, heat treated parts.  4.Shot blasting: Shot blasting of profile steel, ship board, steel board, steel material,steel structure.

3.product process
 
4.Steel grit test equipment and  test report

5.Steel shot Applications
(1)Sandblasting for Shipbuilding
 With grit blasting, oxygenated surface of ship hull is descaled,then improved the coating quality.
(2)Castings Surface Pre-treatment
 Steel grit can also be used for surface pre-treatment,cleaning and descaling for casting parts.
(3)Bridge and Steel Construction
 Pre-treatment and descaling for metal surface,increasing coating quality and antisepsis ability.
(4)Cleaning 
 Blast cleaning, forging, casting deoxidization, cleaning H section steel, stainless steel structure.
(5)Derusting 
 Casting rust, forgings, rust removing, iron removal, steel derusting, h-steel derusting, steel structure derusting.
(6)Reinforcement
Heat treatment part shot shot strengthening, gear shot strengthening.

SAE	Application
G-12 G-14 G-16	Blasting/descaling medium-to-large cast steel, cast iron, forged pieces,steel plate and rubber adhered work pieces.
G-18 G-25 G-40	Cutting/grinding stone; Blasting rubber adhered work pieces; Descaling steel plate, container, ship hall before painting; Cleaning small-to-medium cast steel, cast iron, forged pieces, etc.
G-50 G-80 G-120	Blasting/descaling steel wire, spanner, steel pipe before painting process; Cleaning precision castings (eg. golf blocks)

6.Steel grit package 

1). 25kg per bag,then 40 bags put in a 1000kg bulk bag. 

2). 25kg per bag,then 40 bags shrink wrapped onto a 1000kg pallet. 

3). 1000kg loose in one ton bulk bag. 

All packages are lined with waterproof materials. We can also pack according to your requirement.



7.Company profile

What does Jinan Junda Industrial Technology Co., Ltd. do?
Jinan Junda Industrial Technology Co., Ltd. is a manufacturer and supplier specializing in sandblasting abrasives and equipment, as well as surface treatment solutions. Established in 2005, the company produces a 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 Ball,Cast Steel Ball,Chrome Steel Ball,Carbon Steel Ball,Stainless Steel Ball,Paint Sprayer Machine,Air Compressor,Air Storage Tank,Sandblasting machines, and related spare parts. It also offers customized engineering support, OEM/ODM services, and holds international certifications such as ISO 9001 and CE. Serving clients worldwide across industries like surface preparation and corrosion control, Jinan Junda is recognized for its quality products, professional service, and competitive pricing.

In addition, we have obtained lS0 901 certification, CE certification, and KOC certification. Selling well in all cities and provinces around China,our products are also exported to clients in more than 100 countries and regions as the USA,Canada, Chile, Peru, Argentina, Australia, Germany, UK, Denmark, Norway,Russia,Saudi Arabia,Japan, Malaysia and South Africa. We also welcome OEM and ODM orders. Whether selecting acurrent product from our catalog or seeking engineering assistance for your application, you cantalk to our customer service center about your sourcing requirements.

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

We are located in Jinan with convenient transportation access.Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements to ensure full customer satisfaction in many different Sand Blasting,Surface Preparation, and Corrosion Control industries.

Adhering to the business principle of mutual benefits, we have a reliable reputation among ourcustomers because of our professional services, quality products and competitive prices. We warmly welcome customers from at home and abroad to cooperate with us for common success.

8. Bearing Steel Grit Certificate


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.

9. Our services
1.we can supply sample for free.
2.Customized Service
    a.Product---We can produce various size abraisve according to the customers' requirements.
    b.Package---The products can be packaged as customers' requirements.
3.After-sales Service
    a.Our products passed ISO9001 standard, and we control the testing procedure strictly.
    b.If there are quantity problems,package problems,delivery problems,or any other problems,our
company will seriously investigate the event and give customers a satisfying reply.

10.FAQ

Q1. What is the mode of your payment?
T/T: 50% advance payment and the rest 50% payment oay us when you get the scanned B/L from our E-mail.
L/C:100% irrevocable L/C at sight.

Q2. What's the MOQ of your product?
As usual MOQ is 5TONS.Or as your require, we need to calculate the new price to you.
 
Q3. Can you provide the free samples?
Yes, we can send free samples less than 500g to you. Normally, we can send samples to customer by
express, such as DHL,TNT,Fedex,Aramex, etc.

Q4. What atandars you carring out for your products?
SAE standard and ISO9001, SGS.

If any need, please do not hesitate to contact us.