Semih Metals, located in Istanbul, Turkey, has built a solid reputation as a reliable manufacturer and supplier of top-notch stainless steel products, including the Stainless Steel 431 Flat Bar. Known for their dedication to precision, durability, and customer satisfaction, Semih Metals caters to a diverse array of industries by offering dependable, corrosion-resistant, and sturdy stainless steel solutions. Their 431 Flat Bars are crafted using cutting-edge manufacturing techniques and rigorous quality controls, guaranteeing outstanding performance for even the most demanding applications. With a strong presence in both local and global markets, Semih Metals remains a go-to choice for engineers and businesses in search of excellence in stainless steel products.
The Stainless Steel 431 Flat Bar is a martensitic stainless steel alloy, typically composed of 15–17% chromium, 0.2–0.35% carbon, along with trace amounts of manganese, silicon, and nickel. This unique blend delivers impressive mechanical properties, such as high tensile strength, hardness, and wear resistance, while also offering moderate corrosion resistance in mildly corrosive environments. The material can be heat-treated to boost its hardness and toughness, making it perfect for applications that demand durability under pressure. Its excellent machinability and weldability further enhance its versatility, allowing it to perform reliably in both structural and functional components across various industries.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| ement | C | Cr | Mn | Ni | P | S | Si |
| SS 431 | 0.20 | 17.00-15.00 | 1.00 | 2.50-1.25 | 0.040- | 0.030 | 1.00 |
| Element | Density | Electrical Resistivity | Modulus of Elasticity |
| SS 431 | 0.2800 lb/inch³ | 70° Ohms (circ mil./ft.) | 29.0 X 10^3 |
| Flat Bar | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.49 | 1.60 |
| 18 | 0.62 | 2.02 |
| 20 | 0.76 | 2.49 |
| 22 | 0.92 | 3.02 |
| 25 | 1.19 | 3.90 |
| 28 | 1.49 | 4.89 |
| 28 | 1.49 | 4.89 |
| 30 | 1.71 | 5.61 |
| 32 | 1.95 | 6.38 |
| 36 | 2.46 | 8.08 |
| 38 | 2.74 | 9.00 |
| 40 | 3.04 | 9.97 |
| 45 | 3.85 | 12.62 |
| 50 | 4.75 | 12.62 |
| 56 | 8.96 | 19.55 |
| 60 | 6.84 | 22.44 |
| 65 | 8.03 | 26.34 |
| 70 | 9.31 | 30.54 |
| 75 | 10.69 | 35.06 |
| 80 | 12.16 | 39.89 |
| 90 | 15.39 | 50.49 |
| 100 | 19 | 62.34 |
Yes, Stainless Steel 431 Flat Bar offers good corrosion resistance, particularly in mild to moderate environments, due to its high chromium content. Its martensitic structure enhances strength while maintaining resistance to atmospheric conditions, organic materials, and mild acids, making it suitable for marine and industrial applications. Proper maintenance ensures longevity.
The typical thickness of Stainless Steel 431 Flat Bar ranges from 3mm to 100mm, depending on the manufacturer and application. Custom sizes are often available to meet specific requirements in industries such as marine, aerospace, and engineering.
Stainless Steel 431 Flat Bar is widely used in industries such as aerospace, marine, automotive, and chemical processing. Its high strength, toughness, and corrosion resistance make it ideal for manufacturing shafts, bolts, valves, fasteners, and other critical components.
Thanks to its strength, hardness, and corrosion resistance, the Stainless Steel 431 Flat Bar is widely used in numerous industries. It’s commonly found in the production of pump shafts, valves, fasteners, gears, and high-stress components in the automotive, aerospace, and marine sectors. Additionally, it excels in chemical processing equipment, food processing machinery, and architectural structures that require both aesthetic appeal and mechanical reliability. Its ability to endure wear, fatigue, and moderate corrosive conditions makes it an ideal choice for both functional and structural applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Semih Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Istanbul, Turkey
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