Stainless Steel 347H Seamless Tubes Manufacturers

Stainless Steel 347H Seamless Tubes Manufacturer in Chennai – Virwadia Metal & Alloys

Virwadia Metal & Alloys is a leading manufacturer and supplier of high-quality Stainless Steel 347H Seamless Tubes in Chennai. SS 347H is a stabilized austenitic stainless steel with niobium, offering excellent resistance to intergranular corrosion and superior performance at elevated temperatures. Our seamless tubes are precision-engineered to meet international standards and are widely used in chemical, petrochemical, aerospace, and high-temperature industrial applications across Chennai.

Stainless Steel 347H Seamless Tubes Technical Specifications – Chennai

Specification Details
Material Grade Stainless Steel 347H
UNS Number S34709
Standards ASTM A213 / ASTM A269 / ASTM A312 / ASTM A789
Outer Diameter Range 6 mm – 300 mm (Custom sizes available in Chennai)
Wall Thickness 0.5 mm – 20 mm
Length 6m, 12m, or Cut to Size
Finish Pickled & Passivated, Polished, Matte, Annealed
Tensile Strength 515 – 620 MPa (Approx.)
Temperature Resistance Up to 950°C (Continuous Service)
Corrosion Resistance Excellent in atmospheric, chemical, and high-temperature environments

Chemical Composition (Typical – SS 347H)

Element Percentage (%)
Chromium (Cr) 17.0 – 19.0
Nickel (Ni) 9.0 – 13.0
Niobium (Nb) 10 x C Min – 0.75 Max
Carbon (C) 0.04 – 0.10
Manganese (Mn) 2.0 Max
Silicon (Si) 1.0 Max
Phosphorus (P) 0.045 Max
Sulfur (S) 0.03 Max
Iron (Fe) Balance

Applications of Stainless Steel 347H Seamless Tubes in Chennai

Our SS 347H Seamless Tubes in Chennai are widely used in high-temperature and corrosion-resistant environments:

  • Aerospace Components & Exhaust Systems
  • Heat Exchangers & Boilers
  • Furnace and Kiln Tubes
  • Chemical & Petrochemical Plants
  • Power Generation Units
  • Industrial Fabrication & Engineering
  • High-Temperature Structural Components
  • Food & Pharmaceutical Processing Equipment

Virwadia Metal & Alloys supplies certified and precision-engineered SS 347H Seamless Tubes in Chennai with strict quality control, competitive pricing, and timely delivery. Contact us today for bulk orders, custom sizes, and reliable stainless steel seamless tube solutions in Chennai.

You May also Like
FAQs
What types of metals do you supply?

We offer a wide range of metals, including stainless steel (grades 304, 316, 310, 321, 904L), duplex and super duplex steels, Inconel, Hastelloy, aluminum, brass, and copper, available in various forms such as sheets, plates, pipes, tubes, bars, and fittings.

Yes, all our products come with Mill Test Certificates (MTCs) in compliance with EN 10204 standards, ensuring traceability and quality assurance.

Absolutely. We offer cut-to-size services and various surface finishes, including 2B, BA, No.4, and mirror polish, to meet your specific project requirements.

No, we cater to orders of all sizes, from small quantities for individual projects to bulk orders for large-scale industrial applications.

Yes, we provide both domestic and international shipping services, ensuring timely delivery with appropriate packaging and documentation.

Get a Quote