Nestled in the heart of Kinshasa, Sadiki Metals has built a reputation as a trusted partner for industry, providing robust and reliable materials for the region’s growth. We are proud to supply high-performance Stainless Steel 321H Rectangular Bars, engineered to meet the demanding challenges of modern construction and manufacturing. Our commitment is to deliver not just a product, but a foundation for durability and success, ensuring our clients have the superior materials needed to build with confidence and longevity right here in Congo.
The strength of our 321H bars comes from a thoughtful composition, stabilized with titanium to resist corrosion from welding and high temperatures. This alloy is designed for enhanced high-temperature strength, offering excellent creep and stress rupture properties. It’s a material that holds its form under pressure and heat, making it a dependable choice for critical applications where failure is not an option, providing a solid and secure performance that engineers can count on.
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.
You’ll find these versatile rectangular bars at work in some of the most demanding environments. They are essential in constructing high-temperature processing equipment like heat exchangers and furnace parts, where their stability is crucial. The architecture and construction industries value them for durable structural supports and molds, while their resistance makes them ideal for chemical and petrochemical processing components. Essentially, wherever there’s a need for a material that can withstand heat, pressure, and corrosion, our 321H bars are up to the task.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sadiki Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kinshasa, Congo
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