Sadiki Metals, located in Kinshasa, Congo, stands out as a leading manufacturer and supplier of top-notch Stainless Steel 321H Square Bars and Rods. This company has built a solid reputation for providing durable, heat-resistant, and corrosion-resistant stainless steel products that are perfect for tough industrial applications. Their 321H grade square bars and rods are crafted to excel in high-temperature settings, ensuring impressive mechanical strength and stability. Sadiki Metals takes pride in its precision manufacturing, rigorous quality control, and dependable customer service, making it a go-to source for premium stainless steel products across various industries.
The Stainless Steel 321H Square Bars and Rods are primarily made of iron, featuring 17–19% chromium, 9–12% nickel, and titanium to enhance stability. The increased carbon content in 321H boosts its creep strength and performance at high temperatures. These bars deliver a tensile strength of about 515 MPa, a yield strength of 205 MPa, and an elongation of 40%. They show remarkable resistance to oxidation, intergranular corrosion, and scaling at elevated temperatures, making them ideal for applications that demand both strength and heat resistance.
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.
You’ll find Stainless Steel 321H Square Bars and Rods widely utilized in sectors like petrochemical, chemical processing, aerospace, and power generation. They’re perfect for heat exchangers, furnace components, expansion joints, and high-temperature exhaust systems. Thanks to their exceptional strength retention and resistance to thermal stress, they’re also suitable for pressure vessels and boiler parts. Moreover, these bars and rods are used in refineries and pharmaceutical equipment, where reliable performance in harsh conditions is essential. Their blend of durability, weldability, and corrosion resistance guarantees dependable, long-lasting service.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sadiki Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kinshasa, Congo
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