Nestled in the industrial hub of Safat, Kuwait, Nimish Metal has built a reputation as a trusted name in metal distribution. We are proud to supply high-performance materials like our Stainless Steel 321H Rectangular Bars, crafted to meet the most demanding industrial standards. These bars are the go-to choice for professionals who require exceptional strength and reliability in high-temperature environments, ensuring that every project benefits from superior quality and durability right from the start.
The composition of Stainless Steel 321H includes chromium, nickel, and a crucial addition of titanium, which works alongside a controlled carbon content to provide outstanding stability. This specific chemistry grants the material enhanced mechanical properties, including high-temperature strength and remarkable resistance to corrosion. The rectangular bars are engineered to maintain their structural integrity and resist warping or degradation, even under intense thermal cycling and challenging conditions.
Standard : 321H / 1.4878
Range : 3.17mm to 350mm dia
Designation : ASTM A276, ASME SA276
Finish : Bright, Black, Polish
Thickness: 4.0mm – 100mm
Type: Bright Bar, Black Bars, Hex Bar, Square Bar, Rods, Polish Bar, Forged Bar, Round Bar
Length : Random, Fix & Cut Length
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Ti |
| 321H | 0.04 – 0.10 | 2 max | 0.75 max | 0.045 max | 0.03 max | 17 – 19 | 3 – 4 | 9 – 12 | – | 4xC min 0.60% max |
| Density | 8.0 g/cm3 |
| Melting Point | 1454 °C (2650 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000, MPa – 205 |
| Elongation | 35 % |
| Standard | SS 321H |
| UNS | S32109 |
| WERKSTOFF NR. / DIN | 1.4878 |
Choose Stainless Steel 321H Rectangular Bars based on their excellent high-temperature resistance and resistance to carbide precipitation in welding applications. Consider mechanical strength, corrosion resistance, and desired thermal stability for specific use cases.
Stainless Steel 321H Rectangular Bars generally do not require corrosion protection coatings due to their inherent corrosion resistance. However, coatings can be applied for enhanced protection in aggressive environments or specific applications.
Yes, Stainless Steel 321H Rectangular Bars can be welded, offering excellent weldability. However, using appropriate filler materials and controlling heat input is essential to prevent carbide precipitation and maintain corrosion resistance.
The primary use of Stainless Steel 321H Rectangular Bars is in high-temperature applications where failure is not an option. You will often find them forming the structural core of industrial furnaces, heat exchangers, and critical pressure vessels. They are also a fundamental component in the construction and energy sectors, particularly in structural projects and equipment that must endure immense heat and stress over long periods, ensuring long-term reliability and safety.
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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