ASTMs
Bull Moose capably meets the ASTM A513 specs with square, rectangular and round mechanical steel tubing suitable for a broad range of heavy-duty product applications. Our A513-compliant mechanical tubing is available in hot-rolled, hot-rolled pickled & oiled, cold-rolled matte, and cold-rolled plating-quality finishes, as well as in coated steels, including Galvanized and Galvalume®. In addition, high-strength, low-alloy (HSLA) grades are available.

Our steel tubes offer some of the industry’s best strength-to-weight ratios—which enables you to build cost-effective products that can endure tough applications. Other advantages of Bull Moose steel tube:
- Leading availability and fast delivery through eight North American plants
- Special rolling options
- Broad range of finishing services
- Special packaging choices
- Potential for product-development collaboration
Our A513 mechanical tubing is at work in an extraordinary range of markets and applications, including:
- Solar torque tube
- Seat framing
- Furniture
- Exercise equipment
- Lawn & garden equipment
- Display cases
- Fabric structures
- Greenhouse heater tubes
- Utility trailers
Relevant Documentation
Environmental Product Declarations
Common Applications Include
Health/Fitness Equipment
Weightlifting Gear
Exercise and Fitness Machines
Gym Racks
Agriculture & Farm Machiner
Hay combines
Irrigation systems
Planters
Lawn & Garden Implements
Lawn Tractor Components
Mower Handles
Chainsaw Handles
Industrial Environments
Racking and Storage structures
Handrails and Guardrails
HVAC Components