McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Thickness Thickness

	Width Width

	Length Length

	Diameter Diameter

	Shape Shape


Sheet and Bar	Rod and Disc

Rectangular Tube	Round Tube

Foil	90° Angle

Wire	Hex Bar

U Channel	Half Round

T Bar

	Material Material

	Low-Carbon Steel Grade Low-Carbon Steel Grade

	Fabrication Fabrication

Cold Worked

Hot Rolled

Cold Drawn

	Tolerance Rating Tolerance Rating

	Yield Strength Yield Strength

100,000 psi or greater

Not Rated

	Heat Treatable Heat Treatable

Yes

	Appearance Appearance

Plain

Matte

	Hardness Rating Hardness Rating

	Hardness Hardness

	Elongation Elongation

	Maximum Hardness After Heat Treatment Maximum Hardness After Heat Treatment

	Wall Thickness Wall Thickness

	Heat Treatment Heat Treatment

	Outside Width Outside Width

	Outside Height Outside Height

	Specifications Met Specifications Met

ASTM

AMS

Mil. Spec.

	Mechanical Finish Mechanical Finish

Precision Ground

Ground

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1,792 Products

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

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

With a thickness that's precision ground to a tight tolerance, these bars are sometimes called flat stock.

Low-Carbon Steel Bars
with Rounded Edges

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 Sheets and Bars

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

Nickel-Coated Low-Carbon Steel Bars

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

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.

Paintable Galvannealed
Low-Carbon Steel Sheets

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.

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.

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.

Zinc-Galvanized
Low-Carbon Steel Rods

These rods are zinc galvanized for good corrosion resistance.

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.

Chrome-Plated
Low-Carbon Steel Rods

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

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.

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 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.

Zinc-Galvanized Low-Carbon
Steel 90° Angles

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

PVC-Coated Steel Wire

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

Zinc-Galvanized Steel Wire

This wire is zinc galvanized for good corrosion resistance.

Low-Carbon Steel Wire

Also known as black-annealed wire.

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.

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 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.

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.

Easy-to-Machine Carbon Steel

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.

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.

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 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.

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.

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 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.

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.

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.

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

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

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.

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.

High-Strength 1045 Carbon Steel

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.

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.

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.

Ultra-Strength Carbon 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.

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-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.

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.

Weld-Together Framing and Fittings

Create strong structures by welding this framing together. Add metal panels to close off openings.

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

Multipurpose Low-Carbon Steel

Low-Carbon Steel Sheets and Bars

Tight-ToleranceLow-Carbon Steel Bars

Low-Carbon Steel Barswith Rounded Edges

Zinc-Galvanized Low-CarbonSteel Sheets and Bars

Nickel-Coated Low-Carbon Steel Bars

Mold- and Mildew-ResistantLow-Carbon Steel Sheets

Paintable GalvannealedLow-Carbon Steel Sheets

High-Temperature AluminizedLow-Carbon Steel Sheets

Low-Carbon Steel Rods and Discs

Zinc-GalvanizedLow-Carbon Steel Rods

Tight-ToleranceLow-Carbon Steel Rods

Chrome-PlatedLow-Carbon Steel Rods

Low-Carbon Steel Rectangular Tubes

Low-Carbon Steel Round Tubes

Low-Carbon Steel 90° Angles

Zinc-Galvanized Low-CarbonSteel 90° Angles

PVC-Coated Steel Wire

Zinc-Galvanized Steel Wire

Low-Carbon Steel Wire

Low-Carbon Steel Hex Bars

Low-Carbon Steel U-Channels

Low-Carbon Steel Half-Rounds

Low-Carbon Steel Half-Ovals

Low-Carbon Steel T-Bars

Easy-to-Machine Carbon Steel

Easy-to-Machine 1215Carbon Steel Bars

Easy-to-Machine 1215Carbon Steel Rods

Tight-Tolerance Easy-to-Machine1215 Carbon Steel Rods

Easy-to-Machine 1215Carbon Steel Hex Bars

Ultra-Machinable 12L14Carbon Steel Bars

Tight-Tolerance Ultra-Machinable12L14 Carbon Steel Rods

Ultra-Machinable 12L14Carbon Steel Rods

Ultra-Machinable 12L14Carbon Steel Hex Bars

Ultra-Strength Easy-to-Machine1144 Carbon Steel Rods

High-Strength Easy-to-Machine1144 Carbon Steel Rods

Tight-Tolerance High-StrengthEasy-to-Machine 1144 Carbon Steel Rods

Easy-to-Machine 1117 Carbon Steel

High-Strength 1045 Carbon Steel

High-Strength 1045 Carbon Steel Bars