Nestled in the heart of Safat, Kuwait, Nimish Metal has built a reputation for supplying premium industrial materials with a commitment to reliability and quality. We are pleased to introduce our Stainless Steel 431 Square Bars and Rods, a high-strength alloy chosen for demanding applications. This martensitic grade offers an exceptional combination of durability and corrosion resistance, making it an ideal solution for local industries that require robust components capable of withstanding challenging environments, from the harsh coastal climate to rigorous mechanical stresses.
The strength of Stainless Steel 431 stems from its specific composition, which includes a high chromium content for corrosion resistance, along with nickel for enhanced toughness. Through a precise heat treatment process, these bars achieve impressive mechanical properties, including very high tensile strength and good hardness. This results in a material that is remarkably durable and resistant to wear and abrasion, allowing it to maintain its integrity under heavy loads and in demanding operational conditions.
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@nimishmetal.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.
Our Stainless Steel 431 Square Bars and Rods are exceptionally versatile, finding critical roles in the automotive, oil and gas, and manufacturing sectors. They are commonly machined into high-stress components like pump shafts, valves, fasteners, and turbine parts where strength is paramount. Their resistance to corrosion also makes them a dependable choice for marine fittings and aerospace components. At Nimish Metal, we provide this superior material to empower Kuwaiti engineers and fabricators to build stronger, more reliable, and longer-lasting equipment and machinery for their vital projects.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Nimish Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Safat, Kuwait
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