Tubing • Stainless Steel Tubing • 304 Stainless Steel Tubing

304SS tubing is available in varying sizes and shapes, and manufactured to your specifications.

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  • Penn Stainless Products, Inc.

    304/304L stainless steel seamless tubing supplied by Penn Stainless Products Inc. features gauges of 1/16" to 14", with light and heavy wall thickness available.

  • Online Metals

    Online Metals distributes round welded T-304/304L stainless steel tubing available in sizes ranging from 0.25" x 0.028" x 0.194" to 6" x 0.12" x 5.76".

  • Metals Depot

    Metals Depot's tubing inventory includes 304 stainless steel square tubing and rectangular tubing used frame, structure, rack, ornamental work, and railing applications. Tubing sizes range from 1/2 x 1/2 x 16GA to 6 x 6 x 1/4GA.

  • Stainless & Alloy Piping

    Stainless & Alloy Piping offers 304 stainless steel tubing in A269 seamless, A269 welded, rectangular, and square configurations. A269 seamless and A269 welded tubes range in size from 1/4 inch x 0.020 to 8 inch x 0.120.

  • BBL Co.

    BBL Co. manufactures 304 stainless steel tubing for general corrosion-resisting and high-temperature applications. Tubing can be custom packaged, painted, marked, stenciled, saw cut (up to 24" OD), torch cut (up to 26" OD), welded, and galvanized.

  • Metal Supermarkets

    Metal Supermarkets supplies 304 stainless steel round tubing that resists most oxidizing acids and salt sprays. Available in sizes ranging from 0.063" x 0.01" to  12.25" x 1.25", the tubing is used in a number of applications including beer kegs, bellows, chemical equipment, cooking equipment, cryogenic vessels, food processing equipment, valves, pressure vessels, nuclear vessels, and surgical equipment.

  • Swagelok Company

    Swagelok offers 304/304L seamless instrumentation grade tubing that can be ordered in 20 foot increments. Available tubing sizes include 1/4" x 0.035" x 20 ft., 3/8" x 0.035" x 20 ft., and 1/2" x 0.035" x 20 ft.

  • Continental Steel & Tube Co.

    Continental Steel & Tube Co. distributes 304 rectangular stainless steel tubing, 304 round stainless steel tubing, and 304 square stainless steel tubing that meets ASTM A554 specifications. Depending on shape, the tubing is available with outer diameters ranging from 0.750" to 1.625" or 1" x 2" to 2" x 4". The company also offers 304 seamless or welded tubing in 20' random lengths. This tubing meets ASTM A269, A213, and A249 specifications.


  • Snappy Materials

    Snappy Materials stocks 304 stainless steel round tubing that meets AMS 5560, 5565, 5566, 5567, 5639, and 5695 specifications. Available with .125" outer diameters, the tubing also meets ASTM A249 and A269, and MIL-T-6845, 8504, and 8506 specifications.

  • Evansville Sheet Metal Works, Inc.

    Evansville Sheet Metal Works Inc. distributes 304 stainless steel round tube in 20' lengths, with outside dimensions of 1/4" to 4".

  • PAC Stainless Ltd.

    304/304L stainless steel instrumentation and hydraulic tubing supplied by PAC Stainless Ltd. is stoked in 20 foot dead cut lengths in welded and seamless production forms. The tubing is available in outside diameters of 1/16" through 4", and with wall thickness of .010" to .250".

  • Arch City Steel & Alloy, Inc.

    Arch City Steel & Alloy Inc. provides 304, 304H, and 304L seamless stainless steel tubing and welded stainless steel tubing that meets numerous ASTM, AMS, and MIL-T specifications. The tubing is available with outer diameters ranging from 1/6" to 15".

  • Action Stainless & Alloys, Inc.

    304 and 304L round and square stainless steel tubing provided by Action Stainless & Alloys Inc. feature wall thickness from 22 gage wall to 1/2" wall, and outside diameters from 1/8" to 16".

  • New England Small Tube Corp.

    New England Small Tube Corp's maintains an inventory of 304 and 304L stainless steel tubing. The 304 tubing features oxidation resistance up to approximately 1600 F, while the 304L tubing is used for service below the lower sensitizing temperature of 800F.

  • RathGibson

    Rath Gibson supplies 304, 304L, 304 LN, and 304H tubing. Types of tubing include welded, steel boiler, super heater, heat exchangers, condenser, pressure and corrosion, beverage, instrumentation, food/dairy, pharmaceutical, high purity, and ultra high purity.

  • Zoro Tools

    Zoro Tools provides 304 stainless steel welded tubing in 50 foot lengths, and with inside diameters ranging from 0.085" to 0.460". The tubing meets ASTM 269 standards, and is available with outside diameters ranging from 1/8" to 1/2".

  • Stainless Tubular Products

    Stainless Tubular Products stokes 304 and 304L ornamental stainless steel tubing that is welded, seamless, or mechanical. The tubing meets ASTM A-554 and A-778 specifications, and is available in rectangle, square, ornamental pipe, and round types. The tube are also available with thicknesses from .028" to .500".

  • Plymouth Tube Co.

    Aerospace stainless steel tubing produced by Plymouth Tube Co. includes 304L seamless tubing with outer diameters ranging from .125" to 1", a wall range of .016" to .065", and maximum length of 50 feet. The tubing is used in fuel lines, hydraulic lines, bleed lines, cooling lines, structural components, ducting, landing gear, and engine components.

  • American Tube Technology, Inc.

    American Tube Technology Inc. produces small diameter, 304 stainless steel tubing that features excellent cold working properties and strength for use with fabricated parts.

  • Future Metals, Inc.

    304 stainless steel tubing offered by Future Metals meets a number of specifications including AMS 5560, AMS 5565, AMS 5566, AMS 5567, AMS 5639, AMS 5695, ASTM A249, ASTM A269, MIL-T-6845, MIL-T-8504, and MIL-T-8506.