Sadiki Metals, a well-known manufacturer and supplier located in Kinshasa, Congo, specializes in high-quality Stainless Steel 321H Flat Bars that are engineered to perform exceptionally well in high-temperature and corrosive settings. These flat bars are crafted from top-notch raw materials and cutting-edge production techniques, ensuring they boast remarkable strength, stability, and durability. Perfect for applications that demand outstanding resistance to oxidation and intergranular corrosion, Stainless Steel 321H Flat Bars are available in a variety of sizes and finishes, reflecting Sadiki Metals’ dedication to quality and precision. They cater to the rigorous needs of industries such as chemical, oil, and construction.
The Stainless Steel 321H Flat Bar is stabilized with titanium and comprises chromium (17–19%), nickel (9–12%), carbon (up to 0.10%), along with trace amounts of manganese, silicon, and phosphorus. This alloy showcases impressive tensile strength of about 515 MPa, yield strength of 205 MPa, and an elongation of 40%. It also maintains excellent creep and stress-rupture characteristics, even under high temperatures. Thanks to the titanium content, carbide precipitation is minimized, boosting its corrosion resistance. Its remarkable mechanical stability and heat resistance make it a top choice for continuous high-temperature applications.
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
Range : Range – 3.17mm to 350mm dia
| 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. |
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 321H | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max. |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 321H | 1.4438 | S32109 |
Stainless Steel 321H Flat Bars find extensive use in industries where heat and corrosion resistance are crucial. They’re commonly utilized in chemical processing equipment, heat exchangers, furnace components, and exhaust systems. The alloy’s ability to maintain strength and structural integrity at elevated temperatures makes it ideal for refinery and petrochemical applications. Additionally, it’s used in pressure vessels, expansion joints, and aircraft exhaust manifolds. Its excellent weldability and formability further establish it as a favored option in construction, marine, and power generation sectors that demand durability under challenging conditions.
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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