Aung Metals, a reputable manufacturer and supplier located in Naypyidaw, Myanmar, proudly offers top-notch **Stainless Steel 431 Flat Bars**. These bars are celebrated for their remarkable strength, resistance to corrosion, and long-lasting durability. Crafted with precision to adhere to international standards, they deliver dependable performance across various demanding industrial, mechanical, and structural applications. With a well-balanced mix of chromium and nickel, Stainless Steel 431 provides outstanding protection against pitting, stress corrosion, and oxidation, all while maintaining impressive tensile strength. Aung Metals’ 431 Flat Bars are perfect for use in automotive, aerospace, petrochemical, and general engineering sectors, ensuring they stand the test of time, enhance operational efficiency, and uphold structural integrity.
These Stainless Steel 431 Flat Bars contain about 16–18% chromium, 2–3% nickel, and 0.2–0.3% carbon, along with trace amounts of manganese, silicon, and molybdenum. This specific blend grants them excellent resistance to corrosion, high mechanical strength, and commendable hardness. They boast a tensile strength ranging from 700–850 MPa, yield strength between 450–550 MPa, and an elongation of 15–25%. Thanks to their martensitic-ferritic structure, these bars offer exceptional toughness, fatigue resistance, and dimensional stability, making them well-suited for high-stress, wear-intensive, and corrosive industrial settings.
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.
Aung Metals’ Stainless Steel 431 Flat Bars find extensive application in industries that demand both strength and corrosion resistance. They are ideal for crafting shafts, fasteners, valve components, pump parts, and structural elements in automotive, aerospace, petrochemical, and marine fields. Moreover, they are utilized in machinery, instrumentation, and equipment that face corrosive and high-pressure conditions. The blend of mechanical strength, corrosion resistance, and durability ensures these flat bars deliver a long service life, reliable performance, and operational efficiency in even the most challenging industrial and engineering environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Aung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Naypyidaw, Myanmar
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