Nestled in the industrial hub of Safat, Kuwait, Nimish Metal has built a solid reputation as a trusted supplier and manufacturer, particularly known for their expertise in high-performance alloys. Their Stainless Steel 321H Square Bars and Rods stand as a testament to their commitment to quality and durability. These products are specifically engineered to withstand extreme environments, offering customers reliable, long-lasting solutions for demanding applications where failure is not an option. They are a cornerstone product for industries that depend on exceptional material performance.
The composition of Stainless Steel 321H includes chromium, nickel, and a crucial addition of titanium, which works to prevent harmful carbide precipitation. This gives the steel its stable structure even after prolonged exposure to high temperatures. Mechanically, these square bars and rods are known for their excellent strength and remarkable creep resistance. This combination allows them to maintain their integrity under continuous stress and heat, making them far more capable than ordinary stainless steels when the pressure is on. They truly excel under demanding 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.
The primary use of these bars and rods is in high-temperature applications where strength over time is critical. You will often find them in furnace parts, heat exchangers, and boiler components within power generation plants. The chemical and petroleum industries also rely on them for piping systems and refinery equipment. Their ability to resist oxidation and corrosion at elevated temperatures makes them an indispensable material for constructing machinery and structures that must operate reliably in harsh conditions, ensuring long-term performance and safety.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Nimish Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Safat, Kuwait
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