Grade A36 Steel | McMaster-Carr

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552 Products

About Steel

Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.

Multipurpose Low-Carbon Steel

Low-Carbon Steel Sheets and Bars

Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength.

Tight-Tolerance Low-Carbon Steel Bars

Sometimes called flat stock, these bars have a thickness and width that are precision ground to a tight tolerance.

Zinc-Galvanized Low-Carbon Steel Rods

These rods are zinc galvanized for good corrosion resistance.

Low-Carbon Steel 90° Angles

Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as frames, supports, and edge protectors.

Zinc-Galvanized Low-Carbon Steel 90° Angles

These 90° angles are zinc galvanized for good corrosion resistance.

Low-Carbon Steel U-Channels

Also known as mild steel, low-carbon steel is easy to machine, form, and weld.

Zinc-Galvanized Low-Carbon Steel U-Channels

These U-channels are zinc galvanized for good corrosion resistance.

Low-Carbon Steel T-Bars

Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength.

Low-Carbon Steel Triangles

Weld these steel triangles to strengthen joints in structural applications.

Low-Carbon Steel Half-Round Bars

A ready-to-use alternative to cutting a rod in half.

Grid Fixture Plates

Precision ground to the tightest parallel tolerance, these steel plates have threaded and unthreaded holes in a grid pattern to support precise positioning and repeatability when machining.