Stainless Steel 304 I Beam Supplier Need Help Choosing the Right Stainless I Beam? Our team at Stainless Shapes is here to help you select the right material for your project. We offer fast quotes, Expert material consultation, and Nationwide shipping Why Choose 304 Stainless Steel I Beams Over 316? When selecting stainless steel I beams for your project, two of the most popular grades are 304 and 316. While both offer excellent strength and corrosion resistance, 304 stainless steel I beams provide several key advantages — especially when cost, availability, and broad performance are priorities. What’s the Difference Between 304 and 316 Stainless? Both 304 and 316 are austenitic stainless steels with high levels of chromium and nickel. The main difference? 316 stainless steel contains molybdenum, which enhances corrosion resistance — particularly against chlorides and acidic environments. However, that extra resistance comes at a price. When Should You Choose 316 Instead? While 304 is perfect for most structural and architectural uses, 316 may be the better choice if you’re dealing with Constant saltwater Marine environments Harsh chemical environments Aggressive acids or chlorides The best balance of performance and value is 304 over 316 stainles Benefits of 304 Stainless Steel I Beams Over 316 Lower Cost Ideal for budget-conscious projects without compromising quality 304 stainless is significantly more affordable than 316. For most structural applications that don’t involve harsh chemicals or saltwater exposure, 304 offers all the strength and corrosion resistance you need — at a much lower price point. Widely Available faster lead times 304 stainless is the most commonly used stainless alloy in the world. That means easier sourcing of custom sizes greater material availability for large or small orders. Excellent Structural Performance Excellent resistance to oxidation and atmospheric corrosion, high tensile strength, and ideal load-bearing capaity Easier to Fabricate 304 stainless is easier to Cut, Weld, and form compared to 316 it is more forgiving and versatile during fabrication. METAL WEIGHT ID & WALL METAL WEIGHT CALCULATOR Select Your Metal: 15-5 PH Stainless Steel 17-4 PH Stainless Steel Stainless 300 Series Stainless 400 Series Nickel 200 Nickel 201 Nickel 400 Nickel 600 Nickel 625 Nickel 718 Nickel X750 Nickel 800 Nickel 800H Nickel 825 Nickel 904L Titanium Monel Nitronic Select a Shape: Round Bar Square Bar Flat Bar Sheet Plate Circle Ring Hexagon Bar Round Tubing Square Tubing Rectangular Tubing Number of Pieces: Enter size information: in ft in ft in ft in ft Calculated Weights Approx. weight in lbs* *These weights should be used for estimation purposes only. Plate weight does not allow for kerf. Calculator to get ID from OD and Wall of stainless steel tube OD: Wall: ID Calculated Calculator to get Wall from OD and ID of stainless steel tube OD: ID: Wall Calculated *These results should be used for estimation purposes only. Contact us now! Whether you need a few feet or full truckloads, StainlessShapes.net delivers quality 304 stainless I beams. Standard and custom sizes available with fast shipping across the U.S. and expert service and quotes in under 24 hours. Δ Furthermore, for a prompt and accurate quote, call us today. Call - 800-748-9811 Frequently Asked Questions Do stainless steel I beams exist? + Yes, stainless steel I-beams exist and are available from specialty distributors like Stainless Shapes. While most structural I-beams are carbon steel, stainless steel I-beams are produced for applications requiring corrosion resistance -- food processing plants, chemical facilities, wastewater treatment, marine structures, and pharmaceutical manufacturing. What is the best material for an I beam? + For structural beam applications requiring corrosion resistance and the geometric efficiency of an I-beam shape, Grade 304 stainless is an excellent material -- combining the structural efficiency of the I-beam profile with stainless steels durability in aggressive environments. What are the disadvantages of stainless steel? + Stainless steels disadvantages for I-beam applications include significantly higher cost than carbon steel (4-8x material cost), lower yield strength than high-strength carbon steel beams of equivalent size, and more complex welding requirements. How far can a steel I beam span without support? + A stainless steel I-beam can span the same distance as a carbon steel beam of equivalent size -- both have the same elastic modulus (29 million psi). A structural engineer must calculate allowable spans based on loading, unbraced length, and connection conditions. What does IPE stand for in steel? + IPE (from the French Profil Europeen) refers to the European standard I-beam profile series defined by EN 10034. These are wide-flange profiles used in European structural steel construction and are available in stainless steel for architectural and industrial applications. What is the lifespan of an I beam? + The lifespan of an I-beam depends on the material and environment. Stainless steel I-beams in corrosive environments routinely achieve the full building life of 50+ years without significant degradation, whereas carbon steel beams in the same environment may require continuous maintenance or replacement. What size steel should I beam to span 25 feet? + A steel I-beam spanning 25 feet under typical floor loading would require a W8x31 or W10x22 in carbon steel as a minimum. For stainless equivalents, structural engineering review is required accounting for the specific load case. Stainless Shapes can provide beam dimensions and section properties for their stocked sizes. Are I-beams always steel? + No, I-beams are not always steel. They can be made from aluminum (for lightweight structures), stainless steel (for corrosive environments), wood (glulam beams), and fiber-reinforced polymers. However, carbon steel wide-flange and S-shape beams are the most common structural I-beam material by volume. Do steel I-beams rust? + Carbon steel I-beams will rust without protective coatings. Stainless steel I-beams are highly corrosion-resistant and do not rust under normal conditions. In marine or chemical environments, Grade 316 stainless I-beams provide maximum protection. How much does a 20 ft steel I beam cost? + A 20-foot standard stainless steel I-beam (e.g., S4x7.7) weighs approximately 154 lbs (7.7 lbs/ft x 20 ft). Larger beams cost significantly more per linear foot. Contact Stainless Shapes for current pricing on specific beam sizes and grades.