Al Summan Metals, a leading manufacturer and supplier based in Dubai, UAE, has established a strong reputation for producing high-quality Stainless Steel 321H Square Bars and Rods. These bars are purpose-built to deliver exceptional resistance to intergranular corrosion and oxidation, even under high temperatures, making them a dependable option for demanding industrial environments. Al Summan Metals employs advanced manufacturing methods and strict quality control practices to guarantee compliance with international standards. Available in a range of sizes and finishes, these Stainless Steel 321H Square Bars and Rods are ideal for sectors such as chemical processing, petrochemicals, aerospace, and power generation, offering durability, strength, and lasting performance, even in extreme heat and corrosive conditions.
The chemical makeup of Stainless Steel 321H Square Bars and Rods consists of chromium (17–19%), nickel (9–12%), carbon (0.08–0.10%), together with manganese, silicon, and titanium, the last of which works to stabilize the alloy and prevent carbide precipitation. These bars offer a tensile strength of roughly 515 MPa, a yield strength of about 205 MPa, and 40% elongation. They deliver outstanding mechanical stability under high heat, plus resistance to creep and oxidation, which makes them ideal for prolonged service in demanding, high-temperature, and corrosive settings without compromising structural integrity.
Stainless Steel 321H Square Bars Specification :
Dimensions: ASTM, ASME
Standard: ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface: hrap, hot rolled pickled or sand blasted 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 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. |
| 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 | ||||
| 321H | 515 | 205 | 40 | 95 | 217 |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 321H | 1.4438 | S32109 |
| 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 321H Square Bars offer high corrosion resistance thanks to the inclusion of titanium, which works to stop sensitization under high-temperature conditions. They are well-suited for use in corrosive settings, delivering outstanding durability.
Stainless Steel 321H Square Rods provide outstanding resistance to oxidation at high temperatures, superb weldability, and remarkable strength when subjected to elevated temperatures. They are perfectly suited for use in the chemical, petrochemical, and power generation sectors.
Yes, Stainless Steel 321H Square Bars can be tailored in both size and length to fit particular needs. Customization choices are offered according to what customers require for a range of applications.
Stainless Steel 321H Square Bars and Rods are frequently used in applications requiring heat resistance and protection against corrosion. They work well for producing heat exchangers, furnace parts, pressure vessels, boiler tubes, and exhaust systems. These bars find widespread use in chemical plants, petrochemical industries, power generation equipment, and aerospace components, where thermal stability and lasting durability are essential. They are also applied in the food processing and pharmaceutical sectors, where cleanliness, oxidation resistance, and structural reliability are important. Their distinctive combination of strength, stability, and corrosion resistance ensures reliable performance under demanding conditions.






We supply products accompanied by both mill test certificates and third-party test certificates, guaranteeing the highest standards of quality and compliance.
Al Summan Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Dubai, UAE
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