MERIH STAINLESS, a reputable manufacturer and supplier located in Istanbul, Turkey, is dedicated to crafting top-notch Stainless Steel 321H Bars. With state-of-the-art manufacturing facilities and years of experience under their belt, the company produces precision-engineered products that adhere to international standards. Their Stainless Steel 321H Bars are celebrated for their durability, heat resistance, and exceptional strength, making them ideal for tough industrial settings. MERIH STAINLESS prioritizes customer satisfaction by offering dependable solutions tailored to a variety of industry needs. With a strong commitment to excellence, innovation, and timely delivery, the company has built a solid reputation in both local and global stainless steel markets.
These Stainless Steel 321H Bars are primarily made up of iron, chromium, nickel, and titanium, providing outstanding resistance to oxidation and corrosion. The inclusion of titanium helps prevent carbide precipitation, boosting stability at high temperatures. These bars showcase impressive mechanical strength, with tensile strength ranging from 515 MPa to 750 MPa and yield strength around 205 MPa. Thanks to their superior creep resistance and toughness, Stainless Steel 321H Bars are engineered for high-temperature applications. They also boast excellent forming and welding characteristics, making them versatile for various engineering and industrial uses.
| Standard | ASTM A276 / A479, ASME SA276 / A479 |
| Round Bar Size | 3mm~ 800mm |
| Square Bar Size | 4mm* 4mm ~100mm* 100mm |
| Flat Bar Size | 2mm ~ 100mm |
| Hex Bar Size | 2mm ~ 100mm |
| Angle Size | 3mm* 20mm* 20mm~ 12mm* 100mm* 100mm |
| Thickness | 50 mm to 6000 mm Long |
| Length | 1 To 6 Meters, Custom Cut Length |
| Form | Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti | SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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At Merih Stainless, Our stainless steel 321H poles undergo rigorous testing, including tensile, hardness and chemical analysis to ensure they meet international standards. Each product incorporates certifications such as ISO, ASTM, and mill test reports, providing reliability, durability and performance for a variety of industrial applications
Stainless Steel 321H Round Bars are designed for high-temperature applications, offering excellent oxidation resistance and mechanical strength. Ideal for use in aerospace, chemical processing, and high-temperature industrial components where durability and resistance to thermal degradation are crucial.
Stainless Steel 321H Flat Bars provide superior strength and resistance to high temperatures and oxidation. Suitable for manufacturing structural components, heat exchangers, and exhaust systems, these bars are used in industries where high performance under extreme conditions is required.
Stainless Steel 321H Square Bars are engineered for high-stress, high-temperature environments. They are commonly used in aerospace, petrochemical, and power generation industries for components such as reactor vessels, furnace parts, and structural supports due to their excellent thermal stability and strength.
Stainless Steel 321H Rectangular Bars offer high resistance to thermal and oxidation damage, making them suitable for high-temperature applications like furnace components, chemical processing equipment, and structural supports in demanding environments.
Stainless Steel 321H Hexagonal Bars provide exceptional strength and thermal stability, ideal for use in high-temperature applications such as gas turbines, exhaust systems, and chemical processing equipment. Their resistance to carbide precipitation ensures durability under extreme conditions.
Stainless Steel 321H T-Bars are utilized in high-temperature and high-stress environments, offering excellent strength and resistance to oxidation. They are commonly used in structural applications, including supports and frames in the aerospace, chemical processing, and energy sectors.
Stainless Steel 321H Bars find extensive application in industries that demand high-temperature strength and corrosion resistance. They’re commonly used in chemical processing equipment, heat exchangers, furnace components, and thermal oxidizers. Additionally, these bars are widely utilized in the aerospace, automotive, and power generation sectors due to their ability to endure extreme conditions. In oil refineries and petrochemical plants, they ensure reliable performance even under high pressures and temperatures. Furthermore, Stainless Steel 321H Bars are employed in marine applications, food processing, and pharmaceutical industries, where durability, hygiene, and resistance to corrosion are paramount.







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