Stainless Steel 309H Pipes

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Stainless Steel 309H Pipes Manufacturer, Supplier and Exporter in Kolkata, India

Ojas Pipes and Tubes, a leading manufacturer and supplier located in Kolkata, India, specializes in high-quality Stainless Steel 309H Pipes that are perfect for high-temperature and corrosive settings. With a strong focus on quality, precision, and customer satisfaction, Ojas delivers robust piping solutions that adhere to global industrial standards. These Stainless Steel 309H Pipes are expertly crafted to ensure reliable performance in heat-intensive applications, making them a great choice for refineries, power plants, and the chemical industry. Thanks to their advanced manufacturing capabilities and a talented team, Ojas Pipes and Tubes effectively caters to a wide range of industries both domestically and internationally.

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Stainless Steel 309H Pipes are high-carbon versions of 309, containing 22–24% chromium, 12–15% nickel, and up to 0.08% carbon. This elevated carbon content boosts strength and creep resistance at high temperatures. These pipes showcase a tensile strength of about 550 MPa, a yield strength of roughly 205 MPa, and an elongation of around 40%. SS 309H offers excellent oxidation resistance up to 1038°C (1900°F) and demonstrates good weldability and toughness under thermal stress. Its unique mechanical and chemical properties make it an ideal choice for maintaining structural integrity in high-heat environments.

Stainless Steel 309H Pipes Specification

Specifications	ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790
Dimensions	ASTM, ASME and API
Schedule	SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Wall Thickness	Sch 5s, 10s, 40s, 80s, 160, XXS
Size – Seamless 309H Pipes	1/8″NB TO 30″NB IN
ERW 309H Pipes	1/2″ NB – 24″ NB
EFW 309 Pipes	6″ NB – 100″ NB
Form	Round, Square, Rectangular, Oval, Hydraulic Etc
Types	Seamless, ERW, Welded, Fabricated, LSAW Pipes
End	Plain End, Beveled End, Treaded
Length	Single Random, Double Random & Cut Length.

Stainless Steel 309H Pipes Chemical Composition

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

SS 309H Pipes Mechanical Properties

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

If You Are Looking To Buy High Quality

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

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Why Choose Stainless Steel 309H Pipes from Ojas Pipes and Tubes?

Choosing Stainless Steel 309H Pipes from Ojas Pipes and Tubes offers superior thermal stability, corrosion resistance and excellent weldability. The company’s expertise assures accuracy and quality control. They offer on-time delivery, competitive pricing and exceptional customer support, making them a trusted vendor for engineering needs.

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Largest Stainless Steel 309H Pipes Supplier in Kolkata, India

Ojas Pipes and Tubes, one of the largest suppliers of Stainless Steel 309H pipes in Kolkata, India, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.

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Types of Stainless Steel 309H Pipes

Are Custom Sizes Available for Stainless Steel 309H Pipes?

Yes, we offer custom sizes for Stainless Steel 309H pipes to meet your specific requirements. Our team at Ojas Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@ojaspipesandtubes.co.in.

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Stainless Steel 309H Pipes Uses

Stainless Steel 309H Pipes find extensive use in high-temperature service environments where resistance to heat and oxidation is crucial. They are commonly utilized in furnace components, heat exchangers, thermal processing systems, kilns, and incinerators. Additionally, they play a vital role in the petrochemical sector, power generation facilities, refinery equipment, and components that undergo continuous heating and cooling cycles. The increased carbon content ensures exceptional performance under high-pressure and high-stress conditions. SS 309H is particularly well-suited for welded structures operating at elevated temperatures, guaranteeing long-term reliability.