Nestled in the heart of Safat, Kuwait, Nimish Metal has built a strong reputation as a reliable manufacturer and supplier of industrial materials. Our focus is on providing high-quality stainless steel solutions, and we take particular pride in our Stainless Steel 321h Hex Bar and Rod. This specific grade is engineered for durability and performance, making it an essential component for demanding projects. We understand that your work requires the best, which is why we ensure our 321h products meet stringent standards for customers who cannot afford to compromise on material integrity.
The strength of our Stainless Steel 321h lies in its sophisticated composition, which includes chromium, nickel, and a crucial addition of titanium. This titanium acts as a stabilizer, giving the alloy exceptional resistance to intergranular corrosion, especially after exposure to high temperatures. Mechanically, this translates into a material that maintains impressive tensile strength and good ductility, even under sustained stress. These robust properties ensure that hex bars and rods made from 321h can handle challenging environments without losing their structural integrity, providing a reliable foundation for critical applications.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 321 | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max. |
| SS 321H | 0.04 – 0.10 | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max. |
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 321 | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max. |
| SS 321H | 0.04 – 0.10 | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max. |
| HEXAGONS | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.55 | 1.79 |
| 18 | 0.69 | 2.27 |
| 20 | 0.85 | 2.80 |
| 22 | 1.03 | 3.39 |
| 25 | 1.33 | 4.38 |
| 28 | 1.67 | 5.49 |
| 30 | 1.92 | 6.30 |
| 32 | 2.19 | 7.17 |
| 36 | 2.77 | 9.07 |
| 38 | 3.08 | 10.11 |
| 40 | 3.41 | 11.20 |
| 45 | 4.32 | 14.18 |
| 50 | 5.34 | 17.50 |
| 56 | – | – |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
SS 321H Hex Bars/Rods are highly resistant to oxidation and intergranular corrosion due to titanium stabilization, making them ideal for high-temperature environments. They offer excellent strength, durability, and resistance to sulfur compounds, ensuring reliability in extreme conditions.
SS 321H Hex Bars/Rods are commonly used in aerospace, chemical processing, power generation, petrochemical, and pharmaceutical industries. They are ideal for high-temperature applications such as heat exchangers, pressure vessels, exhaust systems, and furnace components due to their excellent corrosion resistance.
SS 321H Hex Bars/Rods can be welded easily, thanks to their titanium stabilization, which prevents sensitization and intergranular corrosion. However, it's essential to use low-carbon filler materials to maintain the material's properties and prevent carbide precipitation. Pre-heating and post-weld heat treatment may be required for optimal results.
Because of its unique stability, Stainless Steel 321h Hex Bar and Rod are the go-to choice for a wide range of demanding uses. You’ll commonly find them in the fabrication of heat exchangers, superheater tubes, and other high-temperature pressure vessels within the power generation and petrochemical industries. They are also invaluable in aircraft exhaust systems and various components for the automotive and aerospace sectors. Essentially, wherever equipment faces intense heat and corrosive conditions, our 321h products provide the necessary resilience to ensure long-lasting, safe, and efficient operation.
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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