{"id":6026,"date":"2026-07-09T10:00:00","date_gmt":"2026-07-09T03:00:00","guid":{"rendered":"https:\/\/onggiosaoviet.vn\/?p=6026"},"modified":"2026-07-22T00:38:52","modified_gmt":"2026-07-21T17:38:52","slug":"so-sanh-ong-gio-ton-ma-kem-va-ong-gio-inox-201-304-nha-thau-nen-lua-chon-vat-lieu-nao","status":"publish","type":"post","link":"https:\/\/onggiosaoviet.vn\/en\/so-sanh-ong-gio-ton-ma-kem-va-ong-gio-inox-201-304-nha-thau-nen-lua-chon-vat-lieu-nao\/","title":{"rendered":"Comparing galvanized steel ducting and stainless steel (201 & 304) ducting: Which material should contractors choose?"},"content":{"rendered":"
\"\"<\/figure>\n\n\n\n

In HVAC systems, material selection for duct manufacturing<\/strong> It is one of the factors that directly affects the lifespan of a building, investment costs, and operational efficiency. However, many investors and contractors are still hesitant between the three popular options currently available: galvanized steel, stainless steel 201 and stainless steel 304<\/strong>.<\/p>\n\n\n\n

From the perspective of air duct manufacturing plant<\/strong>, There is no single best material for every construction project. Each type has its own advantages and is suitable for different environments.<\/p>\n\n\n\n

Common materials used in duct manufacturing<\/h1>\n\n\n\n

Currently, most ventilation and air conditioning systems in Vietnam use three main types of materials:<\/p>\n\n\n\n

    \n
  • Galvanized steel<\/li>\n\n\n\n
  • Stainless steel 201<\/li>\n\n\n\n
  • 304 stainless steel<\/li>\n<\/ul>\n\n\n\n

    The choice will depend on:<\/p>\n\n\n\n

      \n
    • Installation environment<\/li>\n\n\n\n
    • Level of corrosion<\/li>\n\n\n\n
    • Hygiene requirements<\/li>\n\n\n\n
    • Desired lifespan<\/li>\n\n\n\n
    • Project investment budget<\/li>\n<\/ul>\n\n\n\n

      1. Galvanized steel ducting \u2013 A popular solution for most construction projects.<\/h1>\n\n\n\n

      Galvanized steel is the most commonly used material in duct manufacturing due to its reasonable cost and ability to meet the requirements of typical HVAC systems.<\/p>\n\n\n\n

      Advantage<\/h3>\n\n\n\n
        \n
      • Optimal cost.<\/li>\n\n\n\n
      • Easy to process and available in various sizes.<\/li>\n\n\n\n
      • Production is progressing quickly.<\/li>\n\n\n\n
      • Stable supply of materials.<\/li>\n\n\n\n
      • Suitable for most civil and industrial construction projects.<\/li>\n<\/ul>\n\n\n\n

        Limit<\/h3>\n\n\n\n
          \n
        • Its corrosion resistance is lower than that of stainless steel.<\/li>\n\n\n\n
        • Not suitable for environments with high levels of chemicals, humidity, or salt spray.<\/li>\n\n\n\n
        • Life expectancy will be reduced if working in harsh conditions.<\/li>\n<\/ul>\n\n\n\n

          Application<\/h3>\n\n\n\n

          Galvanized steel sheets are commonly used for:<\/p>\n\n\n\n

            \n
          • Office building<\/li>\n\n\n\n
          • Shopping mall<\/li>\n\n\n\n
          • Apartment<\/li>\n\n\n\n
          • Factory<\/li>\n\n\n\n
          • School<\/li>\n\n\n\n
          • Central air conditioning system<\/li>\n<\/ul>\n\n\n\n

            2. Stainless Steel 201 Ducts \u2013 Balancing Cost and Rust Resistance<\/h1>\n\n\n\n

            Compared to galvanized steel, stainless steel 201 offers superior oxidation resistance and aesthetics, while maintaining a reasonable cost.<\/p>\n\n\n\n

            Advantage<\/h3>\n\n\n\n
              \n
            • It offers better rust resistance than galvanized steel.<\/li>\n\n\n\n
            • The surface is bright and beautiful.<\/li>\n\n\n\n
            • High mechanical strength.<\/li>\n\n\n\n
            • Suitable for environments with moderate humidity.<\/li>\n<\/ul>\n\n\n\n

              Limit<\/h3>\n\n\n\n
                \n
              • Its corrosion resistance is not as good as that of 304 stainless steel.<\/li>\n\n\n\n
              • Long-term use is not recommended in coastal areas or environments with strong chemicals.<\/li>\n<\/ul>\n\n\n\n

                Application<\/h3>\n\n\n\n

                Stainless steel 201 is often chosen for:<\/p>\n\n\n\n

                  \n
                • Restaurant<\/li>\n\n\n\n
                • Industrial kitchen<\/li>\n\n\n\n
                • Food processing area<\/li>\n\n\n\n
                • The area requires high standards of hygiene, but the budget is limited.<\/li>\n<\/ul>\n\n\n\n

                  3. 304 Stainless Steel Ducting \u2013 A Solution for Special Environments<\/h1>\n\n\n\n

                  For projects requiring high corrosion resistance and long lifespan, stainless steel 304 is the preferred choice.<\/p>\n\n\n\n

                  Advantage<\/h3>\n\n\n\n
                    \n
                  • It has very high antioxidant and anti-corrosion properties.<\/li>\n\n\n\n
                  • Suitable for environments with chemicals or salt vapors.<\/li>\n\n\n\n
                  • Long lifespan.<\/li>\n\n\n\n
                  • Meets all hygiene requirements in production.<\/li>\n<\/ul>\n\n\n\n

                    Limit<\/h3>\n\n\n\n
                      \n
                    • The cost is higher than stainless steel 201 and galvanized sheet metal.<\/li>\n\n\n\n
                    • Processing costs are also higher due to the material's properties.<\/li>\n<\/ul>\n\n\n\n

                      Application<\/h3>\n\n\n\n

                      304 stainless steel ducting is commonly used in:<\/p>\n\n\n\n

                        \n
                      • Food factory<\/li>\n\n\n\n
                      • Pharmaceutical factory<\/li>\n\n\n\n
                      • Clean room<\/li>\n\n\n\n
                      • Hospital<\/li>\n\n\n\n
                      • Electronics factory<\/li>\n\n\n\n
                      • Coastal construction<\/li>\n\n\n\n
                      • Chemical plant<\/li>\n<\/ul>\n\n\n\n

                        Quick comparison of materials<\/h1>\n\n\n\n
                        Criteria<\/th>Galvanized steel<\/th>Stainless steel 201<\/th>304 stainless steel<\/th><\/tr><\/thead>
                        Cost<\/td>\u2605\u2605\u2605\u2605\u2605<\/td>\u2605\u2605\u2605\u2605\u2606<\/td>\u2605\u2605\u2606\u2606\u2606<\/td><\/tr>
                        Rust resistance<\/td>\u2605\u2605\u2606\u2606\u2606<\/td>\u2605\u2605\u2605\u2606\u2606<\/td>\u2605\u2605\u2605\u2605\u2605<\/td><\/tr>
                        Life expectancy<\/td>Good<\/td>High<\/td>Very high<\/td><\/tr>
                        Aesthetics<\/td>Rather<\/td>Good<\/td>Very good<\/td><\/tr>
                        Chemical environment<\/td>Not suitable<\/td>Medium<\/td>Very suitable<\/td><\/tr>
                        Coastal environment<\/td>Not recommended<\/td>Limit<\/td>Fit<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

                        Not all construction projects should use 304 stainless steel.<\/h1>\n\n\n\n

                        Many customers believe that 304 stainless steel is the optimal choice in all cases. However, from a manufacturer's perspective, this may not necessarily be the most economically efficient option.<\/p>\n\n\n\n

                        For example:<\/p>\n\n\n\n

                          \n
                        • Air conditioning systems for offices or shopping malls typically only require the use of galvanized steel<\/strong>, This ensures both technical requirements are met and investment costs are optimized.<\/li>\n\n\n\n
                        • For industrial kitchens or food processing areas, 201 stainless steel<\/strong> It can perform well if the environment does not contain strong corrosive chemicals.<\/li>\n\n\n\n
                        • For food, pharmaceutical, electronics, or coastal construction projects, 304 stainless steel<\/strong> It is a suitable choice due to its superior corrosion resistance and long lifespan.<\/li>\n<\/ul>\n\n\n\n

                          Choosing the right materials right from the design stage will help investors avoid wasting budget while ensuring long-term usability.<\/p>\n\n\n\n

                          Sao Viet Air Ducting \u2013 Fabrication of various materials according to requirements<\/h1>\n\n\n\n
                          \"\"<\/figure>\n\n\n\n

                          To be HVAC duct and fittings manufacturing plant<\/strong>, Sao Viet Air Ducting Company accepts custom fabrication orders:<\/p>\n\n\n\n

                            \n
                          • Galvanized steel ductwork<\/li>\n\n\n\n
                          • 201 stainless steel air duct<\/li>\n\n\n\n
                          • 304 stainless steel air duct<\/li>\n\n\n\n
                          • Accessories are compatible according to the shop drawing.<\/li>\n<\/ul>\n\n\n\n

                            With our modern machinery and rigorous quality control processes, we meet the dimensional, precision, and delivery schedule requirements for civil, commercial, and industrial projects nationwide.<\/p>\n\n\n\n

                            Conclude<\/h1>\n\n\n\n

                            The choice of materials for manufacturing air ducts should not be based solely on cost, but should also consider factors such as the operating environment, lifespan, technical requirements, and return on investment.<\/p>\n\n\n\n

                            As a direct manufacturer, Sao Viet Air Duct<\/strong> We always advise on suitable material solutions for each type of construction project, helping contractors and investors optimize costs while ensuring quality and production schedule.<\/p>","protected":false},"excerpt":{"rendered":"

                            Trong h\u1ec7 th\u1ed1ng HVAC, l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u s\u1ea3n xu\u1ea5t \u1ed1ng gi\u00f3 l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u00f4ng tr\u00ecnh, chi ph\u00ed \u0111\u1ea7u t\u01b0 v\u00e0 hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh. Tuy nhi\u00ean, nhi\u1ec1u ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 nh\u00e0 th\u1ea7u v\u1eabn b\u0103n kho\u0103n gi\u1eefa ba l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn hi\u1ec7n […]<\/p>","protected":false},"author":4,"featured_media":6028,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[239,193,133,202,130,167],"class_list":["post-6026","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","tag-he-thong-ong-gio","tag-ong-gio-chong-chay","tag-ong-gio-hai-phong","tag-ong-gio-inox","tag-ong-gio-sao-viet","tag-ong-gio-ton-ma-kem"],"_links":{"self":[{"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/posts\/6026","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/comments?post=6026"}],"version-history":[{"count":1,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/posts\/6026\/revisions"}],"predecessor-version":[{"id":6029,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/posts\/6026\/revisions\/6029"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/media\/6028"}],"wp:attachment":[{"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/media?parent=6026"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/categories?post=6026"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/tags?post=6026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}