Phehlukwayo Metal, located in Cape Town, South Africa, is a reputable manufacturer and supplier of top-notch stainless steel products, including Stainless Steel 321H Square Bars and Rods. Known for their precision, durability, and resistance to corrosion, these bars and rods are crafted to meet strict industrial standards. Phehlukwayo Metal merges cutting-edge manufacturing techniques with rigorous quality control to provide products that perform reliably in tough environments. With a strong commitment to excellence, the company caters to a diverse range of industries, offering solutions that guarantee longevity, structural integrity, and outstanding performance even in high-temperature and corrosive conditions.
Stainless Steel 321H Square Bars and Rods are a high-temperature stabilized austenitic stainless steel alloy, enhanced with titanium to prevent carbide precipitation during welding. The typical composition includes 17–19% chromium, 9–12% nickel, along with trace amounts of titanium, manganese, silicon, and a maximum of 0.04% carbon. This blend offers remarkable resistance to intergranular corrosion, high creep strength, and excellent mechanical properties at elevated temperatures. With a tensile strength ranging from approximately 515–750 MPa, yield strength between 205–275 MPa, and elongation of 40–50%, 321H ensures durability, toughness, and dependable performance under extreme thermal and mechanical stress.
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 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 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 are highly corrosion-resistant due to the addition of titanium, which helps prevent sensitization in high-temperature environments. They are ideal for applications in corrosive environments, offering excellent durability.
Stainless Steel 321H Square Rods offer excellent resistance to high-temperature oxidation, excellent weldability, and exceptional strength at elevated temperatures. They are ideal for applications in the chemical, petrochemical, and power generation industries.
Yes, Stainless Steel 321H Square Bars can be customized in size and length to meet specific requirements. Customization options are available based on customer needs for various applications.
Stainless Steel 321H Square Bars and Rods find extensive use in industries that demand high-temperature resistance and superior corrosion protection. Common applications include chemical processing, petrochemical plants, heat exchangers, furnace components, and aerospace equipment. They are perfect for creating components that are exposed to high temperatures, such as turbine parts, exhaust systems, and pressure vessels. Moreover, their resistance to oxidation and intergranular corrosion makes them suitable for food processing, paper mills, and marine environments. Phehlukwayo Metal’s 321H bars and rods deliver reliable performance across various demanding applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phehlukwayo Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Cape Town, South Africa
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