For any project demanding exceptional heat resistance, Nimish Metal in Safat, Kuwait is your trusted source for Stainless Steel 446 square bars and rods. We understand that durability under extreme conditions is paramount, which is why we supply this high-chromium alloy known for its ability to withstand scaling and oxidation. When your application involves prolonged exposure to high temperatures, our 446 stainless steel square bars provide the reliable strength and longevity your work requires, backed by our commitment to quality and customer satisfaction.
This particular grade of stainless steel stands out due to its high chromium content, which gives it superior resistance to oxidation at elevated temperatures. The composition is carefully balanced to provide excellent strength and stability, even when subjected to thermal cycling. This results in a material that is not only tough but also highly durable, maintaining its integrity and performance over time. These mechanical properties ensure it can handle demanding environments without compromising its structural qualities.
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 446 | 0.2 | 23.00 | 1.5 | 0.50 | 0.040 | 0.030 | 0.75 |
| Element | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell (HB) max) |
| SS 446 | Psi – 75,000 , MPa – 485 | Psi – 40,000 , MPa – 275 | 20 % | – |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 446 | 1.4762 | S44600 |
| 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 446 Square Bars are highly corrosion-resistant due to their high chromium content. They are particularly effective in resisting oxidation and scaling at elevated temperatures.
Yes, Stainless Steel 446 square bars can be welded using appropriate welding techniques like TIG or MIG welding. However, preheating and post-weld heat treatment may be required to minimize the risk of cracking and maintain structural integrity.
Yes, we provide stainless steel 446 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
You’ll find Stainless Steel 446 square bars and rods are the material of choice in environments where heat is a constant factor. They are extensively used in the manufacturing of furnace parts, heat treatment fixtures, and pyrolysis tubes, where their resistance to scaling is invaluable. Beyond high-temperature industrial settings, they are also well-suited for sulfidation applications in the petrochemical industry and for components in thermal oxidizers, proving their versatility and critical role in keeping demanding operations running smoothly and safely.






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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