Aung Metals, a top-notch manufacturer and supplier located in Naypyidaw, Myanmar, specializes in high-quality **Stainless Steel 431 Square Bars and Rods**. These products are celebrated for their remarkable strength, resistance to corrosion, and long-lasting durability. Crafted with precision to meet international standards, they promise reliable performance in tough industrial, mechanical, and structural settings. The unique blend of chromium and nickel in Stainless Steel 431 offers outstanding protection against pitting, stress corrosion, and oxidation, all while maintaining impressive tensile strength. Aung Metals’ 431 Square Bars and Rods are perfect for a variety of applications, including automotive, aerospace, petrochemical, and general engineering, delivering long-term reliability, precision, and operational efficiency.
These Stainless Steel 431 Square Bars and Rods 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 composition grants them excellent corrosion resistance, high mechanical strength, and solid hardness. They boast a tensile strength ranging from 700–850 MPa, yield strength between 450–550 MPa, and an elongation of 15–25%. With a martensitic-ferritic structure, these bars and rods offer superior toughness, fatigue resistance, and dimensional stability, making them well-suited for high-stress, wear-intensive, and corrosive industrial environments.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface : hrap, hot rolled pickled or sand blasting finished, cold drawn, polished, hairline
Size : Tolerance: H8, H9, H10, H11, H12, H13K9, K10, K11, K12
| Element | 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 |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 431 | 1.4057 | S43100 |
| SQUARES | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.62 | 2.05 |
| 18 | 0.79 | 2.59 |
| 20 | 0.76 | 2.49 |
| 22 | 1.18 | 3.87 |
| 25 | 1.52 | 5.00 |
| 28 | 1.91 | 6.27 |
| 30 | 2.19 | 7.20 |
| 32 | 2.50 | 8.19 |
| 36 | 3.16 | 10.37 |
| 38 | 3.52 | 11.55 |
| 40 | 3.90 | 12.80 |
| 45 | 4.94 | 16.20 |
| 50 | 6.10 | 20.00 |
| 56 | 7.65 | 25.08 |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
Yes, Stainless Steel 431 square bars are magnetic due to their martensitic structure. They exhibit moderate magnetism compared to austenitic stainless steels.
Yes, we provide stainless steel 431 square bars and rods in standard and customized dimensions and polishes to meet your specific project requirements. For more details mail us on sales@aungmetals.com
Yes, Stainless Steel 431 square bars can be recycled after use. Being a ferrous alloy, they are highly recyclable and maintain their properties after recycling.
Aung Metals’ Stainless Steel 431 Square Bars and Rods are extensively utilized in industries that demand strength, corrosion resistance, and durability. They are ideal for crafting shafts, fasteners, valves, pump components, and structural parts across automotive, aerospace, petrochemical, and marine sectors. Moreover, they find applications in machinery, instrumentation, and high-stress equipment that face corrosive and high-pressure conditions. Their blend of mechanical strength, corrosion resistance, and dimensional stability ensures a long service life, reliability, and consistent performance in challenging industrial and engineering applications.
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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