ASTM a513

Bull Moose Tube Pipe

Bull Moose capably meets these 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 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 the 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 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


Common Applications Include

Health/Fitness Equipment

weightlifting gear

exercise and fitness machines

gym racks

Agriculture & Farm Machinery

hay combines

irrigation systems


Lawn & Garden Implements

lawn tractor components

mower handles

chainsaw handles

Industrial Environments

racking and storage structures

handrails and guardrails

HVAC components