McMaster-Carr

The galvannealed coating allows these steel sheets to be painted without prepping the surface. They're easier to weld and more scratch resistant than zinc-galvanized steel sheets. Use them for outdoor signs, cabinets, and doors.

Zinc-Galvanized Low-Carbon
Steel Sheets and Bars

These sheets and bars are zinc galvanized for good corrosion resistance.

Mold- and Mildew-Resistant
Low-Carbon Steel Sheets

A silver-filled resin coating on one side of these sheets protects from degradation caused by bacteria and fungi.

High-Temperature Aluminized
Low-Carbon Steel Sheets

Coated with an aluminum-silicon alloy, these sheets resist corrosion while withstanding long-term exposure to high temperatures. Use in drying ovens, furnaces, and smokestacks.

Nickel-Coated Low-Carbon Steel Bars

In addition to good corrosion resistance, the nickel coating provides better wear resistance than the zinc-galvanized coating.

Low-Carbon Steel Wire

Also known as black-annealed wire.

Low-Carbon Steel Round Tubes

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 Hex 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.

Zinc-Galvanized Low-Carbon
Steel 90° Angles

These 90° angles 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 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.

Chrome-Plated
Low-Carbon Steel Rods

The matte plating on these rods increases corrosion resistance and wear resistance.

Low-Carbon Steel U-Channels

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 Rectangular Tubes

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.

Zinc-Galvanized Steel Wire

This wire is zinc galvanized for good corrosion resistance.

Low-Carbon Steel Half-Rounds

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 Half-Ovals

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.

PVC-Coated Steel Wire

Coated with PVC for corrosion resistance, this carbon steel wire will stand up to outdoor use.

Tight-Tolerance
Low-Carbon Steel Rods

These rods are precision ground and held to a strict straightness tolerance, so they're ready for turning in a lathe.

Zinc-Galvanized
Low-Carbon Steel Rods

These rods are zinc galvanized for good corrosion resistance.

Low-Carbon Steel Rods and Discs

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.

Wear-Resistant AR400 Carbon Steel

The nickel and molybdenum content gives AR400 carbon steel the ability to resist wear better than all other carbon steel. It's often used as wear strips, liners, and deflector plates.

Impact-Resistant A516 Carbon Steel

Even in low temperatures, A516 carbon steel resists breaking upon impact. Also known as pressure-vessel-quality (PVQ) steel, it is mostly used for boilers, storage tanks, and pressure vessels.

Ultra-Wear-Resistant AR500 Carbon Steel

Ultra-Wear-Resistant
AR500 Carbon Steel

Exceptional hardness makes AR500 carbon steel more resistant to wear and impact than other carbon steel.

Easy-to-Machine Carbon Steel

Ultra-Strength Easy-to-Machine
1144 Carbon Steel Rods

Also known as Fatigueproof, these rods have enhanced strength and resistance to breaking from repeated impact compared to High-Strength Easy-to-Machine 1144 Carbon Steel Rods.

Easy-to-Machine 1215
Carbon Steel Rods

A lead-free alternative to 12L14, 1215 carbon steel contains the same amount of sulfur and phosphorus for excellent machinability. It is often used for shaft couplings, studs, and pins.

Easy-to-Machine 1117 Carbon Steel

1117 carbon steel responds to surface-hardening heat treatment better than other easy-to-machine carbon steels. Use it to fabricate shaft couplings, studs, pins, and universal joints.

Ultra-Machinable 12L14
Carbon Steel Rods

The lead additive acts as a lubricant, which allows 12L14 carbon steel to withstand very fast machining. It's used to fabricate a wide variety of machine parts.

Tight-Tolerance Ultra-Machinable
12L14 Carbon Steel Rods

Ready for turning in a lathe, these rods are precision ground and held to a strict straightness tolerance.

Ultra-Machinable 12L14
Carbon Steel Hex Bars

The lead additive acts as a lubricant, which allows 12L14 carbon steel to withstand very fast machining. It's used to fabricate a wide variety of machine parts.

High-Strength Easy-to-Machine
1144 Carbon Steel Rods

Often called Stressproof, these rods are stress-relieved to minimize warping during machining.

Easy-to-Machine 1215
Carbon Steel Hex Bars

A lead-free alternative to 12L14, 1215 carbon steel contains the same amount of sulfur and phosphorus for excellent machinability. It is often used for shaft couplings, studs, and pins.

Tight-Tolerance High-Strength
Easy-to-Machine 1144
Carbon Steel Rods

These rods are precision ground and held to a strict straightness tolerance, so they're all set for turning applications in your lathe.

Tight-Tolerance Easy-to-Machine
1215 Carbon Steel Rods

Precision ground and held to a strict tightness tolerance, these rods are ready for turning in a lathe.

Easy-to-Machine 1215
Carbon Steel Bars

A lead-free alternative to 12L14, 1215 carbon steel contains the same amount of sulfur and phosphorus for excellent machinability. It is often used for shaft couplings, studs, and pins.

Ultra-Machinable 12L14
Carbon Steel Bars

The lead additive acts as a lubricant, which allows 12L14 carbon steel to withstand very fast machining. It's used to fabricate a wide variety of machine parts.

High-Strength 1045 Carbon Steel

High-Strength 1045 Carbon
Steel Rods and Discs

Stronger than low-carbon steel with equally good machinability, 1045 carbon steel is widely used for bolts, studs, and shafts.

High-Strength 1045 Carbon Steel Bars

Stronger than low-carbon steel with equally good machinability, 1045 carbon steel is widely used for bolts, studs, and shafts.

Ultra-Strength Carbon Steel

Ultra-Strength Carbon Steel
(AHSS) Round Tubes

The same steel used in automobile bodies, this AHSS (advanced high-strength steel) allows you to fabricate high-strength parts using thinner material than you could with other types of steel. It is formable, weldable, and more economical than alloy steel.

Ultra-Strength Carbon
Steel (UHSS) Sheets

This UHSS (ultra high-strength steel) allows you to fabricate high-strength parts using thinner material than you could with other types of steel. It is formable, weldable, and more economical than alloy steel.

Shim Stock

Cut this stock into custom shapes to fit your application.

Shim Stock Sets

Keep shim stock in a variety of thicknesses on hand with these sets. Cut into custom shapes to fit your application.

Peel-Away Layered Shim Stock

Cut this shim stock into custom shapes to fit your application. Stock is made of layers of material bonded with adhesive; remove layers with a utility knife until you get the thickness you need.

Rebar

Protect concrete from cracking due to tensile force, such as expansion caused by temperature changes.

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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron

Multipurpose Low-Carbon Steel

Low-Carbon Steel Sheets and Bars

Low-Carbon Steel Barswith Rounded Edges

Tight-ToleranceLow-Carbon Steel Bars

Paintable GalvannealedLow-Carbon Steel Sheets

Zinc-Galvanized Low-CarbonSteel Sheets and Bars

Mold- and Mildew-ResistantLow-Carbon Steel Sheets

High-Temperature AluminizedLow-Carbon Steel Sheets

Nickel-Coated Low-Carbon Steel Bars

Low-Carbon Steel Wire

Low-Carbon Steel Round Tubes

Low-Carbon Steel Hex Bars

Zinc-Galvanized Low-CarbonSteel 90° Angles

Low-Carbon Steel T-Bars

Low-Carbon Steel 90° Angles

Chrome-PlatedLow-Carbon Steel Rods

Low-Carbon Steel U-Channels

Low-Carbon Steel Rectangular Tubes

Zinc-Galvanized Steel Wire

Low-Carbon Steel Half-Rounds

Low-Carbon Steel Half-Ovals

PVC-Coated Steel Wire

Tight-ToleranceLow-Carbon Steel Rods

Zinc-GalvanizedLow-Carbon Steel Rods