Construction & Heavy Equipment Steel Plate Supplier

Steel plate is a heavily used material in construction due to its high strength relative to weight, as well as its weldability, accessibility, and price. More versatile than concrete, steel not only serves as the backbone of infrastructure but makes up the tools and machines used to erect buildings, bridges, and more.

Construction's Most Experienced Steel Plate Supplier

Because there are so many uses for steel plate within the construction industry, Leeco® Steel’s construction customers choose to partner with Leeco because of our ability to supply a wide range of steel plate products in small, medium, and large quantities within short timeframes. Leeco has 11 distribution centers across North America, enabling us to offer competitive freight rates and quickly fulfill orders.

Additionally, Leeco is North America’s top supplier of heavy steel plate – or plate that is 3-inches thick or greater. Steel plate is all we do, and we do it better than anyone else.

Below is the composition of three popular grades of structural steel that are used in building and bridge construction, as well as in heavy equipment parts.

Grade Carbon Manganese Phosphorus Sulfur Silicone
A36 0.25-0.29% 0.80-1.20% 0.030% 0.030% 0.15-0.40%
A572 0.21-0.26% 1.35-1.65% 0.030% 0.030% 0.15-0.40%
A514* 0.10-0.21% 0.40-1.50%     0.15-0.80%


*A514 also contains 0.48% chromium, 0.2% molybdenum, 0.02% titanium, 0.05% vanadium and 0.003% boron.

Browse All Grades

construction industry steel plate

How Are Steel Plates Used In Construction?

Steel plate material is used in a variety of construction and heavy equipment applications, including – but not limited to – the following:

  • Structural (i.e. I-beams)
  • Crane booms
  • Buckets
  • Construction machinery
  • Ramps
  • Conveyors
  • Earthmovers
  • Industrial and commercial buildings
  • Bridges

In addition to being a versatile material for construction and building, steel is 100% recyclable and more price-stable than other building materials.

Steel Plate Value Added Services

In addition to providing quality steel plate products with outstanding customer service, Leeco® Steel also supplies customers with a suite of value-added services.

View All Value-Added Services


The Leeco Steel Difference

Just-in-Time delivery solutions
ISO 9001 certified for quality management
11 distribution centers across North America
Single dedicated sales representatives

Browse Steel Plate Products

Explore Leeco Steel’s selection of steel plates and build a quote for your next project.

Browse Products

Have a Question?

We are happy to answer any of your questions relating to our inventory, locations or the way we do business.

Looking for a quote? We recommend you use our quote builder or submit a request for quote document via our RFQ Form.

Quote Builder Submit an RFQ