Maduka Metals, a reputable manufacturer and supplier located in Abuja, Nigeria, specializes in high-quality Stainless Steel 431 Square Bars and Rods. These products are celebrated for their remarkable strength, toughness, and resistance to corrosion. Crafted with cutting-edge technology and precision engineering, these bars are designed to deliver outstanding durability and performance, even in the toughest conditions. Maduka Metals serves a diverse array of industries, offering Stainless Steel 431 Square Bars and Rods that comply with international standards, making them perfect for applications that demand high mechanical strength, wear resistance, and a brilliant finish—ideal for both industrial and engineering uses.
Stainless Steel 431 Square Bars and Rods are martensitic stainless steels, containing about 15–17% chromium, 1.25–2.5% nickel, and 0.12–0.20% carbon. This specific blend boosts their hardness, tensile strength, and corrosion resistance. These bars boast a tensile strength of approximately 850 MPa and a yield strength of 600 MPa, along with excellent toughness and resistance to heat and fatigue. They also offer good machinability and magnetic properties, making them versatile for use in both hardened and tempered states.
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@www.madukametal.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.
These Stainless Steel 431 Square Bars and Rods find their way into various applications where high strength, corrosion resistance, and a superior surface finish are critical. They’re commonly used in the production of shafts, fasteners, valves, pump components, and marine hardware. Their ability to resist rust and pitting makes them particularly suitable for chemical processing, oil and gas, and marine environments. Furthermore, these bars are essential in the construction, automotive, and defense industries, where durability, precision, and mechanical reliability are vital for long-lasting performance.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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