Sadiki Metals stands out as a top-notch manufacturer and supplier of **Stainless Steel 321 Square Bars and Rods** right in the heart of Kinshasa, Congo. They pride themselves on delivering high-quality products that are designed to resist corrosion, withstand high temperatures, and last for the long haul. These bars and rods are made from austenitic stainless steel that’s stabilized with titanium, which helps prevent carbide precipitation and boosts resistance to intergranular corrosion during welding. With a focus on precision manufacturing and rigorous quality control, Sadiki Metals ensures that their square bars and rods meet international standards. You’ll find **Stainless Steel 321 Square Bars and Rods** in various industries, including chemical, petrochemical, power generation, and other industrial applications, where they perform reliably even in tough conditions.
When it comes to composition, **Stainless Steel 321 Square Bars and Rods** contain chromium (17–19%), nickel (9–13%), titanium (as a stabilizer), carbon (≤0.08%), along with manganese, silicon, phosphorus, and sulfur. The titanium stabilization is key, as it prevents carbide precipitation, ensuring excellent resistance to intergranular corrosion while keeping mechanical strength intact at high temperatures. These austenitic square bars and rods boast a tensile strength of about 515–690 MPa and a yield strength of around 205–275 MPa, along with good elongation, toughness, and thermal stability. Their unique blend of corrosion resistance and high-temperature performance makes them perfect for demanding industrial settings.
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 321 | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max. |
| Grade | Tensile Str (MPa) min | Yield Str 0.2% Proof (MPa) min | Elong (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 321 | 515 | 205 | 40 | 95 | 217 |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 321 | 1.4541 | S32100 |
| 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 | – | – |
Stainless Steel 321 Square Bars are available in a range of sizes, typically from ¼" to 12" in width. Common finishes include mill finish, polished, and cold drawn.
Yes, Stainless Steel 321 Square Rods can be welded using most standard welding techniques. However, post-weld heat treatment may be required to maintain its properties and prevent sensitization.
Stainless Steel 321 Square Bars are generally non-magnetic in their annealed condition. However, they may exhibit slight magnetic properties if cold-worked.
You’ll find **Stainless Steel 321 Square Bars and Rods** being put to good use in **boilers, heat exchangers, chemical and petrochemical equipment, power generation machinery, industrial furnace components, and welded assemblies**. Thanks to their outstanding resistance to intergranular corrosion and impressive mechanical properties, they’re a go-to choice for structural components and high-temperature applications. These square bars and rods are also essential in refineries, offshore platforms, and chemical processing plants where durability and long-term reliability are a must.
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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