Harsh Metalloys, a prominent manufacturer and supplier located in Mumbai, India, specializes in top-quality Stainless Steel 405 Bars, designed for applications that demand outstanding heat resistance and weldability. SS 405 is a ferritic stainless steel that’s stabilized with aluminum to minimize hardening during welding and enhance performance in high-temperature settings. Our SS 405 bars come in various shapes, including round, square, hex, and flat, and are produced to comply with ASTM A276 and other international standards. These bars are commonly utilized in the automotive, heat exchanger, petrochemical, and power generation sectors due to their strength, stability, and cost-effectiveness.
Stainless Steel 405 Bars are composed of 11.5–14.5% Chromium, low Carbon (≤ 0.08%), and Aluminum (0.10–0.30%) for stabilization. This ferritic alloy boasts moderate tensile strength (380–450 MPa), good ductility, and excellent oxidation resistance up to 675°C. SS 405 is magnetic, cannot be hardened through heat treatment, and offers remarkable dimensional stability during thermal cycling. The aluminum content helps to reduce grain growth during welding and heat exposure. These bars are easy to machine and weld, making them perfect for fabricated components used in thermal and structural applications with mild corrosive exposure.
C | Cr | Fe | Mn | Si | S | P | Ni | Al | |
405 | 0.08 max | min: 11.5 max: 14.5 | balance | 1.0 max | 1.0 max | 0.03 max | 0.04 max | 0.50 max | min: 0.1 max: 0.3 |
Grade | Tensile Strength ksi (MPa) min | Yield Strength 0.2% offset ksi (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
405 | 60 (415) | 25 (170) | 20 | 179 | 88 |
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At Harsh Metalloys, all our Stainless Steel 405 Bars go through a highly rigorous testing procedure to ensure excellent quality and performance. Our products are certified in regard to excellent corrosion resistance, high durability, and reliability. We ensure comprehensive certifications like chemical composition and mechanical properties for our superior quality to reach our customers’ doorstep.
405 round bars are known for their impressive thermal stability, oxidation resistance, and machinability. They’re commonly used in automotive applications, furnace parts, and various high-temperature structural needs.
405 flat bars offer consistent strength and dimensional stability, making them perfect for brackets, supports, and industrial uses that require moderate corrosion resistance and performance at elevated temperatures.
405 square bars boast strong mechanical properties and are easy to fabricate, making them ideal for frames, fixtures, and heat-resistant components in power generation and processing sectors.
405 rectangular bars blend heat resistance with excellent weldability, making them suitable for structural applications, supports, and enclosures that face high-temperature service conditions.
405 hex bars are easy to machine and resistant to corrosion, which makes them great for fasteners, shafts, and custom components in both thermal and structural applications.
405 T-bars are crafted for structural reinforcement and frameworks in thermal settings, providing dependable performance even in oxidizing and high-temperature conditions.
Stainless Steel 405 Bars are widely utilized in thermal processing equipment, heat exchangers, and furnace components because they excel at resisting oxidation and scale buildup even at high temperatures. You’ll also find them in petrochemical plants, refinery systems, automotive exhaust parts, and ductwork. Thanks to their impressive weldability and stability, they’re perfect for welded structures and frames in high-heat settings. SS 405 bars offer a budget-friendly option for industries that need moderate corrosion resistance and robust mechanical performance under fluctuating heat conditions. Common users include manufacturers in power generation, industrial fabrication, automotive, and chemical processing industries.







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