Isis Metals stands out as a premier manufacturer and supplier of Stainless Steel 321H Square Bars and Rods right here in Manila, Philippines. We take pride in delivering top-notch stainless steel products that excel in high-temperature and corrosive environments. Our Stainless Steel 321H Square Bars and Rods are specially titanium-stabilized and feature a higher carbon content than standard 321, which boosts their creep strength, oxidation resistance, and thermal stability. These products are known for their excellent weldability, durability, and mechanical performance, even in extreme conditions. Manufactured to meet international standards, Isis Metals caters to various industries, including aerospace, petrochemical, power generation, and chemical processing.
When it comes to composition and mechanical properties, our Stainless Steel 321H Square Bars and Rods are made up of chromium (17–19%), nickel (9–12%), carbon (0.04–0.10%), and titanium (≥5×C%), along with small amounts of manganese, silicon, and phosphorus. The increased carbon content significantly boosts high-temperature strength and creep resistance, while titanium helps prevent intergranular corrosion. These bars and rods boast a tensile strength of 515 MPa, yield strength of 205 MPa, and an impressive elongation of 40%. With outstanding oxidation resistance, ductility, and mechanical stability, our Stainless Steel 321H Square Bars and Rods truly shine under prolonged thermal exposure.
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.
In terms of uses and applications, Stainless Steel 321H Square Bars and Rods are widely utilized across the chemical processing, oil refining, aerospace, and power generation sectors for components that need to withstand high temperatures and corrosive conditions. They’re perfect for heat exchangers, pressure vessels, exhaust systems, furnace parts, and expansion joints, ensuring reliable performance in continuous service. Additionally, these bars and rods find their place in boiler equipment, catalytic converters, and heat treatment fixtures. Thanks to their superior weldability, oxidation resistance, and structural integrity, they are a go-to choice for many 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.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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