Starc Metals is a well-respected manufacturer and supplier located in Canberra, Australia, focusing on top-notch Stainless Steel 321H Square Bars and Rods. Renowned for their precision, durability, and outstanding performance, the company ensures that their products meet international standards and cater to a variety of industrial needs. They serve a range of sectors, including aerospace, chemical processing, marine, and power generation, providing advanced stainless steel solutions for challenging applications. With cutting-edge manufacturing techniques, rigorous quality control, and prompt delivery, each 321H square bar and rod boasts excellent corrosion resistance, high-temperature strength, and mechanical reliability, making Starc Metals a go-to supplier throughout Australia and beyond.
Stainless Steel 321H Square Bars and Rods are a stabilized austenitic stainless steel that contains about 17–19% chromium, 9–12% nickel, and a higher carbon content compared to standard 321, with titanium added to prevent intergranular corrosion. This unique composition guarantees exceptional resistance to oxidation, stress corrosion, and high-temperature environments. The material showcases a tensile strength of around 515–750 MPa, along with good toughness, ductility, and dependable weldability. Its remarkable dimensional stability and resistance to thermal cycling make 321H square bars and rods perfect for applications that require durability, mechanical strength, and long-lasting performance under tough conditions.
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.
These Stainless Steel 321H Square Bars and Rods are extensively utilized in industries that require materials resistant to high heat and corrosion. They are perfect for furnace components, heat exchangers, chemical processing equipment, pressure vessels, and marine applications. Their ability to maintain strength and resist oxidation at elevated temperatures makes them ideal for the aerospace, petrochemical, and power generation sectors. Additionally, 321H square bars and rods find their place in structural components, machinery parts, and automotive applications that are exposed to challenging environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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