Welded Metals | McMaster-Carr

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822 Products

About Stainless Steel

Compare over 25 types of stainless steel to find the right material for you—all with material certificates for traceability.

About Metal Tubing

Multipurpose 304 Stainless Steel

From cookware to chemical-processing equipment, 304 stainless steel is a good all-around choice for a wide range of applications.

Polished Multipurpose 304 Stainless Steel

Polished to either a brushed or mirror-like finish, this material is often used to fabricate decorative enclosures and industrial workstations.

Textured Multipurpose 304 Stainless Steel

The textured surface hides fingerprints and dents. This material is widely used in decorative applications, such as partitions and handrails.

Corrosion-Resistant 316 Stainless Steel

The addition of molybdenum gives 316 stainless steel excellent corrosion resistance. Use it in a variety of marine and chemical-processing applications.

Metal Tubing for Flow

Welded Stainless Steel Tubing

When your application does not require a smooth interior, this tubing is an economical choice.

Precision Stainless Steel Tubing

This tubing is made to tighter tolerances than other stainless steel tubing.

Stainless Steel Tubing for Corrosive Gases

A thin layer of silicon on the interior provides a smooth surface and offers protection against corrosive gases.

Miniature Stainless Steel Tubing

Also known as hypodermic or needle tubing, this tubing has thin walls and is made to tight tolerances for use in precision applications.

Extreme-Pressure Miniature Stainless Steel Tubing

This tubing withstands high pressures up to 13,700 psi. It is also known as capillary tubing.

Miniature Stainless Steel
Tubing with Polished Exterior

The outside of this tubing is polished to a high-luster finish for a shiny appearance.

Miniature Stainless Steel Tubing with 90° Bend

This tubing has a 90° bend that holds its shape.

Miniature Stainless Steel Tubing for Corrosive Gases

A thin layer of silicon on the interior provides a smooth surface and offers protection against corrosive gases.

High-Polish Stainless Steel Tubing
for Food, Beverage, and Dairy

The interior and exterior are polished to a high-luster finish to resist particle buildup and allow for easy cleaning.

Ultra-High-Polish Stainless
Steel Tubing with Certification

Polished to a 10 Ra finish on the inside, this tubing has the smoothest interior of any tubing we offer. It is commonly used in semiconductor applications.

High-Polish Stainless Steel Tubing
for Pharmaceuticals with Certification

This premium-grade tubing is polished to a 20 Ra or 15 Ra finish on the inside to reduce particle buildup and allow for easy cleaning.

Welded Steel Tubing

Tubing is welded with a smoothed weld bead on the inside to reduce particle buildup. It is also known as DOM (drawn over mandrel) tubing.

Vacuum-Rated Large-Diameter Steel Tubing

This tubing has the strength to withstand vacuum applications up to 29" Hg.

Precision Steel Tubing

With the lowest OD tolerance of all our steel tubing, this tubing is designed for precision applications.