Square Pipe | McMaster-Carr

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System of Measurement

Outside Width

Shape

Rectangular Tube

Outside Height

Wall Thickness

Material

Stainless Steel

Inside Width

Outside Corner Shape

Inside Height

Inside Corner Shape

Yield Strength

Less than 30,000 psi

30,000 psi to 32,999 psi

33,000 psi to 39,999 psi

40,000 psi to 69,999 psi

70,000 psi or greater

Specifications Met

Appearance

Width

Rail Height

Thickness

Bolt-Together Framing Component

Anti-Rotation Plate

Bracket Fastener Set

Concrete Anchor

Surface Bracket

Telescoping Rail

Fabrication

Performance

Chemical Resistant

Corrosion Resistant

Easy Thermoform

Electrically Insulating

High Temperature

Impact Resistant

Moisture Resistant

Thermally Stable

Weather Resistant

RoHS

Compliant with Exemptions

Rail Type

Square with Flange

REACH

Hardness Rating

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

418 Products

Raw Materials

Steel

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

Stainless Steel

Stainless Steel

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

Aluminum

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

Plastic

A lightweight alternative to metal and glass

Garolite

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

Fiberglass

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

Carbon Fiber

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

Rubber

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

Building and Machinery Hardware

Bolt-Together Framing and Fittings

Bolt-Together Framing and Fittings

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

Weld-Together Framing and Fittings

Weld-Together Framing and Fittings

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

Containers, Storage, and Furniture

Stacking Caps and Targets

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

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