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

Specifications Met

ANSI/MSS SP-58 Type 23

ASTM Standard

EN 10305-5

Fed. Spec. WW-H-171 Type 23

SAE AMS-T-6736

UL 2034

Yield Strength

Less than 31,000 psi

31,000 psi to 33,999 psi

34,000 psi to 39,999 psi

40,000 psi to 59,999 psi

60,000 psi or greater

Performance

Electrically Insulating

Appearance

Fabrication

Rail Type

I-Slotted/Single Flanged

Diameter

Temper Designation

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

2,785 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

61 products

Plastic

A lightweight alternative to metal and glass

21 products

Brass

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

11 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

Bolt-Together Framing and Fittings

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

111 products

Weld-Together Framing and Fittings

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

41 products

Strut Channel Framing and Fittings

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

1,655 products

T-Slotted Framing and Fittings

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

289 products

Press-Fit Framing and Fittings

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

80 products

Locking-Slotted Framing and Fittings

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

12 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