Hollow Bars | McMaster-Carr

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	System of Measurement System of Measurement

	OD OD

	ID ID

	Wall Thickness Wall Thickness

	Shape Shape


Round Tube	Rectangular Tube

Hex Tube

	Material Material

Stainless
Steel

	Appearance Appearance

	Outside Width Outside Width

	Outside Height Outside Height

	Fabrication Fabrication

Stress
Relieved

	Length Length

	Tolerance Rating Tolerance Rating

	Yield Strength Yield Strength

Less than 20,000 psi

20,000 to 29,999 psi

30,000 to 39,999 psi

40,000 to 99,999 psi

100,000 psi or greater

	Heat Treatable Heat Treatable

	Elongation Elongation

1%
3.5%
6%
7%
8%
9%
10%
11%

12%
12.5%
13%
14%
15%
17%
18%
21%

23%
26.5%
27%
35%
39%
50%
Not Rated

	Inside Width Inside Width

	Color Color

	Black		Clear
	Amber		White
	Off-White		Brown
	Green		Yellow
	Gray		Red
	Beige

	Hardness Rating Hardness Rating

	Heat Treatment Heat Treatment

Annealed (Softened)

Stress Relieved

	Inside Height Inside Height

	Outside Corner Shape Outside Corner Shape

	Temper Temper

	Performance Properties Performance Properties

Chemical Resistant

Easy to Thermoform

Electrical Insulator

High Temperature

Impact Resistant

Low Thermal Expansion

Low Water Absorption

Weather Resistant

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2,558 Products

Hollow Bars

Steel

Steel is known for its strength, machinability, and weldability, yet it lacks corrosion resistance.

Aluminum

This lightweight material is corrosion resistant, easy to machine, and a good conductor of heat and electricity.

Stainless Steel

With a minimum of 10% chromium content, stainless steel is known for corrosion resistance. It's typically not as strong as steel and can be more difficult to machine.

Copper, Brass, and Bronze

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Commonly called red metals, each of these alloys has a high copper content that provides good weather resistance. They're also excellent conductors of heat and electricity.

Easy-to-Weld Grade 9 Titanium

Grade 9 titanium has less aluminum and vanadium than Grade 5, so it's easier to weld but not as strong.

Plastic

Plastic

This opaque and semi-clear plastic is often used in place of metal where a lightweight material is desired, such as for signs, equipment housings, and gears.

Clear Plastic

Clear Plastic

Use clear plastic for windows, instrument covers, display cases, and other applications where visibility is essential.

Weld-Together Framing and Fittings

Weld-Together Framing and Fittings

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

Composites

Composites, such as Garolite, carbon fiber, and fiberglass, are reinforced so they’re stronger than plastic but lighter than metal. They are also called plastic laminate and thermosets.

Rubber

Rubber compresses and bounces back to shape. Use it for sealing, cushioning, and shock absorbing.

Foam

Pockets of air make foam lighter in weight than rubber. Use it for packing, insulating, sealing, and shock absorbing.

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)