MERIH STAINLESS, based in Istanbul, Turkey, stands out as a top manufacturer and supplier of premium Stainless Steel 321H Pipes, specifically designed for high-temperature and corrosive industrial settings. Renowned for their durability, strength, and resistance to intergranular corrosion, these pipes ensure dependable fluid transport even in the most extreme conditions. Crafted with precision and in line with international standards, MERIH STAINLESS guarantees that their Stainless Steel 321H Pipes offer long-lasting performance. These pipes find extensive use in the chemical processing, petrochemical, power generation, and aerospace sectors, where secure and corrosion-resistant piping is crucial.
| ASTM Specification | ASME SA 312 /ASTM A312/ TP 321H |
| EFW Pipes Sizes |
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| Wall THK | Schedule 40, Schedule 5, Schedule10, Schedule 160, Schedule 80, Schedule XXS, Schedule 80S, Schedule XS |
| Seamless Pipes Sizes |
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| Welded Pipes Sizes |
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| Forms | ERW / Round, Rectangular |
| techniques | EFW/ Welded /ERW / Seamless / Fabricated / LSAW/ CDW/ Seam-Welded / Redrawn |
| Element | SS 321H |
| Nickel | 09 To 12 |
| sulfur | 00.03 Maximum |
| Nitrogen | 00.10 |
| Chromium | 17 To 19 |
| Silicon | 00.75 Maximum |
| Magnesium | 2 Maximum |
| Carbon | 00.04 To 0.08 |
| Phosphorus | 00.045 Maximum |
| Titanium | 00.70 Maximum |
| Element | SS 321H |
| Tensile Strength | 515 |
| Yield Strength | 205 |
| Elongation | 40 |
| Rockwell | 95 |
| Brinell | 217 |
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Stainless Steel 321H Pipes are a type of stabilized austenitic stainless steel, featuring 17–19% chromium, 9–12% nickel, and titanium to enhance stability. The “H” designation signifies a higher carbon content, which boosts high-temperature strength and creep resistance. These pipes boast a tensile strength of about 515 MPa and a yield strength of 205 MPa, while also maintaining toughness and dimensional stability even under prolonged thermal exposure. They excel in oxidation resistance, weldability, and durability, making them ideal for high-temperature and corrosive piping applications.
Stainless Steel 321H Square Pipes offer excellent resistance to intergranular corrosion, especially in high-temperature applications. They typically come in sizes ranging from 20 mm to 200 mm on each side, providing robust structural support and versatility for various industries.
Known for its resistance to oxidation and corrosion, SS 321H Seamless Pipes are manufactured without welds or joints, offering uniformity and strength. They are available in 6 mm to 300 mm diameter and are suitable for high-pressure and high-temperature environments.
Featuring good resistance to corrosion and elevated temperatures, Stainless Steel 321H ERW (Electric Resistance Welded) Pipes are produced using electric resistance welding techniques. They are available from 15 mm to 150 mm, ideal for pipelines and structural applications.
SS 321H LSAW (Longitudinal Submerged Arc Welded) Pipes resist high-temperature oxidation and corrosion. These pipes are 60 mm to 1000 mm in diameter and are commonly used in oil and gas transmission and large-diameter piping systems.
Stainless Steel 321H Round Pipes are versatile and widely used with strong resistance to scaling and corrosion. They are available in diameters ranging from 10 mm to 500 mm, making them suitable for various industrial applications, including chemical processing.
Offering excellent resistance to intergranular corrosion, Stainless Steel 321H Welded Pipes are produced by welding and are ideal for applications where joints and fittings are required. They typically come in sizes ranging from 15 mm to 600 mm in diameter, suitable for various structural and mechanical uses.
Merih Stainless is a leading supplier, and stockist of high-quality Stainless Steel 321H Pipes in Istanbul, Turkey. Our products are widely used in various applications, and we are committed to delivering excellent service, resulting in high customer satisfaction. Our unique finishing techniques further distinguish us in the stainless steel industry. We are dedicated to consistently providing superior products and effectively meeting our customer’s needs.
These Stainless Steel 321H Pipes are widely utilized in industries that demand heat- and corrosion-resistant piping solutions. You’ll often find them in chemical processing plants, petrochemical refineries, and power generation systems, including boilers, superheaters, and heat exchangers. The aerospace and automotive sectors also rely on them for exhaust systems, manifolds, and engine components that face elevated temperatures. Additionally, they are used in furnace equipment, high-pressure piping systems, and thermal processing units. These pipes guarantee secure fluid transport, a long service life, and reliable performance in challenging industrial environments.
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