Rectangular Tubing | McMaster-Carr

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System of Measurement

Outside Width

Outside Height

Shape

Wall Thickness

Length

Inside Width

Material

Outside Corner Shape

Inside Height

Inside Corner Shape

Width

Thickness

Performance

Electrical Insulating

Flame Retardant

Formable

Specifications Met

ANSI/MSS SP-58 Type 23

Rail Type

I-Slotted/Single Flanged

Yield Strength

30,000 psi to 32,999 psi

33,000 psi to 39,999 psi

40,000 psi to 59,999 psi

60,000 psi or greater

Rail Height

Fabrication

Temper Designation

Appearance

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

2B999

9A991

EAR99

DFARS Specialty Metals

Help me decide (beta)

5,104 Products

Raw Materials

Steel

Strong, machinable, and weldable—all with material certificates for traceability

141 products

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

114 products

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

185 products

Brass

More machinable than copper and bronze—all with material certificates for traceability

11 products

Plastic

A lightweight alternative to metal and glass

21 products

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

4 products

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

22 products

Carbon Fiber

The strongest composite we offer; comparable in strength to 6061 aluminum but lighter in weight

6 products

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

21 products

Building and Machinery Hardware

Weld-Together Framing and Fittings

Permanently join rails and fittings to assemble heavy duty racks, shelving, and work tables

32 products

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

124 products

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

1,651 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

2,362 products

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

12 products

Press-Fit Framing and Fittings

Set up temporary partitions, guards, and displays using only a hammer

76 products

Material Handling

Shipping Tubes

Protect rods, rolled-up blueprints, and other long, thin objects during shipping

191 products

Electrical Power, Networking, and Controlling

Electrical Enclosure Mounting Channels

Position components inside electrical enclosures without drilling holes, which can leak

9 products