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Stainless Steel 309H Pipes & Tubes: High-Performance Solutions by Sandvik

When it comes to industries that demand strength, durability, and resistance against extreme heat, Stainless Steel 309H Pipes & Tubes stand out as a reliable choice. At Sandvik, we specialize in producing premium quality 309H grade pipes and tubes that meet the requirements of both national and international standards. Known for their superior corrosion resistance and ability to perform under high temperatures, these products are trusted by engineers, project managers, and decision-makers across the globe.

Stainless Steel 309H Pipes & Tubes Manufacturers focus on creating products that balance functionality with long service life. The 309H grade is a high-carbon version of 309 stainless steel, designed for applications requiring enhanced creep resistance and strength at elevated temperatures. With excellent weldability and mechanical properties, these pipes and tubes are a go-to option for industries where performance and reliability are non-negotiable.

So, what exactly are Stainless Steel 309H Pipes & Tubes? They are seamless and welded hollow sections made from 309H stainless steel alloy, an austenitic chromium-nickel stainless steel. This alloy is specifically engineered to withstand high-temperature environments, offering oxidation resistance up to 1100°C. The higher carbon content provides added toughness and strength, making these pipes and tubes suitable for demanding thermal processes and structural applications.

Stainless Steel 309H Pipes & Tubes Suppliers highlight the multiple advantages of this grade. Some of the key benefits include excellent resistance to oxidation, outstanding tensile strength, superior creep resistance, and good weldability. These attributes make 309H pipes and tubes cost-effective, as they reduce downtime and maintenance expenses while ensuring consistent performance over time. In addition, the material offers resistance to sulfur-containing gases, making it versatile across different environments.

The uses of Stainless Steel 309H Pipes & Tubes span across industries. In the petrochemical sector, they are employed in heat exchangers, boilers, and furnaces due to their heat resistance. Power generation facilities utilize them in superheater tubes and re-heater sections. The chemical industry leverages them for equipment exposed to corrosive substances, while the food processing industry values their durability and hygiene standards. Their ability to withstand thermal cycling also makes them suitable for automotive exhaust systems and aerospace engineering. That’s why Stainless Steel 309H Pipes & Tubes Stockists serve a diverse customer base worldwide.

There are different types of Stainless Steel 309H Pipes & Tubes available in the market, each serving specific applications. Seamless Pipes are ideal for high-pressure and high-temperature operations, offering a smooth finish and uniform structure. Welded Pipes are preferred for low to medium-pressure systems where cost efficiency is critical. ERW (Electric Resistance Welded) Pipes provide a strong and precise solution for general engineering use. Tubes are manufactured in various forms such as round, square, and rectangular, making them adaptable for structural, mechanical, and decorative applications. This versatility ensures that Stainless Steel 309H Pipes & Tubes Exporters cater to global industries with products that meet a wide spectrum of needs.

At Sandvik, we understand the growing demand for reliable, high-temperature stainless steel solutions. Our Stainless Steel 309H Pipes & Tubes are engineered with precision, ensuring long-lasting performance and compliance with international quality benchmarks. Whether you are sourcing for industrial applications, engineering projects, or custom solutions, Sandvik stands ready to deliver excellence backed by expertise and innovation.

Specification of Stainless Steel 309H Pipes & Tubes

Stainless Steel Pipe Specification : ASTM A312, A358 / ASME SA312, SA358
SS Tube Specification : ASTM A213, A269, A249, A511, A554 / ASME SA213, SA269, SA249, SA511, SA554
Pipe Size : 1/8” NB to 24” NB, 1/4” OD to 24” OD sizes.
Tube Size : 1/2" OD to 8" OD.
Thickness Range : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Type : Seamless / ERW / Welded / Fabricated Pipes
Form : Round, Square, Rectangular, Oval, Hydraulic Etc
Length : Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
End Protection : Plastic Caps
Outside Finish : 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements
Delivery Condition : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Inspection, Test Reports : Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports
Packing : Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials : Sizes and Specifications other than above can be manufactured on request

Equivalent Grades of Stainless Steel 309H Pipes & Tubes

STANDARD UNS WNR. AFNOR EN JIS BS GOST
SS 309H S30903 1.4833 - - - - -

Chemical Composition of Stainless Steel 309H Pipes & Tubes

Grade C Mn Si P S Cr Ni Fe
309H min. 0.04 - - - - 22.0 12.0 58.0
63.0
max. 0.10 2.0 0.75 0.045 0.03 24.0 15.0

Mechanical Properties of Stainless Steel 309H Pipes & Tubes

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
309H 515 205 40 95 217