Carbon Steel Shot is a general-purpose manufactured abrasive used to remove mill scale and molding sand. Its round shape cleans by hammering the surface, leaving a uniform surface profile. Carbon Steel Shot’s high bulk density, low friability, consistent sizing, and low dust levels provide superior production rates. Carbon Steel Shot is most commonly used in wheel blast equipment and closed circuit blast systems for steel plate blasting, cleaning castings and forgings, and ship and railcar manufacturing and maintenance.


The low friability of Carbon Steel Shot allows it to be recycled hundreds of times. Unlike mineral or slag abrasives, Carbon Steel Shot will not completely shatter when it hits a surface, keeping its relative size. Recycling Carbon Steel Shot increases profitability by reducing abrasive consumption, and shipping, clean-up, and disposal costs.


Carbon Steel Shot’s high bulk density and high hardness results in more energy being transferred to the work surface than mineral or slag abrasives, easily removing mill scale and molding sand. Carbon Steel Shot’s uniform particle size provides consistent coverage and surface finish, increasing production rates.


Carbon Steel Shot’s durability and low friability produces lower dust levels than most mineral or slag abrasives. Low dust levels improve the operator’s visibility of the work surface, increasing production rates. Lower dust levels also reduce clean up costs on the worksite.

Carbon Steel Shot Screen Analysis


Shape: Round
Hardness: Rockwell C (HRC) 40–51 HRC
Bulk Density: 289–298 lbs./cu. ft.
Specific Gravity: 4.8 g/cc
Free Silica: No Free Silica
Manufactured Abrasive


SAE J444 (Sizing)
SAE J827 (Hardness, Microstructure, Density, etc.)


Drum: 2000 lbs. Steel
Bags: 50 lbs.


S70 - Typical Profile: <.5 mils
S110 - Typical Profile: 1.0 mils
S170 - Typical Profile: 2.0 mils
S230 - Typical Profile: 2.5 mils
S280 - Typical Profile: 3.0 mils
S330 - Typical Profile: 3.5 mils
S390 - Typical Profile: 4.0 mils
S460 - Typical Profile: 5.0 mils
S550 - Typical Profile: 5.5 mils
S660 - Typical Profile: 6.0 mils
S780 - Typical Profile: 6.5 mils

Optional Accessories

Blast Hose

Blastmaster® Abrasive Blasting Hose

Blastmaster® Abrasive Blasting Hose is available in standard lengths of 50, 100 and 400 feet, and custom lengths up to 200 feet.

Blast Nozzles

Abrasive Blasting Nozzles

A wide variety of blast nozzles are available to meet even the most challenging work site requirements.

Blastmaster® Abrasive Metering Valves

Blastmaster® Abrasive Metering Valves

Marco’s wide selection of Blastmaster® Abrasive Metering Valves give you variable and instant abrasive control for great results on every work site.

Couplings and Blast Nozzle Holders

Couplings and Nozzle Holders

Marco offers several types of couplings and blast nozzle holders to meet the needs of a wide variety of applications.


Technical Information


Inhaling dusts from abrasive blasting may result in serious injury, disease, or death.
According to OSHA, only a Type CE NIOSH-certified blasting airline respirator with positive pressure blasting helmet should be used for abrasive blasting.

Product details are based on published information at the time of publication. Product details are subject to change without notice. Contact Marco for more information.