Stainless Steel 347H Pipes

Stainless Steel 347H Pipes for process, pressure and heat-transfer lines, available on MetalMitra in seamless, ERW and welded to ASTM A312, with mill-certified traceability on every lot.

High-carbon, stabilized stainless steel 347H pipes and tubes designed for demanding elevated-temperature applications requiring reliable strength, corrosion resistance and long-term industrial performance.

Stainless Steel 347H is a higher-carbon stabilized austenitic stainless steel grade designed for applications where elevated-temperature strength and resistance to sensitization are important considerations. Its stabilized composition makes it suitable for demanding thermal service environments.

SS 347H Pipes & Tubes are suitable for chemical processing, petrochemical plants, refineries, power generation, heat exchangers, process equipment, high-temperature systems and other industrial engineering applications.

Product range

• SS 347H Seamless Pipes — High-integrity seamless pipes for demanding high-temperature applications.
• SS 347H ERW Pipes — Welded pipe configurations for industrial piping systems.
• SS 347H Welded Pipes — Available in various sizes and wall thicknesses.
• SS 347H EFW Pipes — Large-diameter pipe solutions for demanding industrial projects.
• SS 347H LSAW Pipes — Large-diameter longitudinally welded pipe configurations.
• SS 347H Tubes — Round, square, rectangular and hydraulic tube configurations.

Why engineers choose it

• High-Temperature Strength — Designed for demanding applications involving elevated service temperatures.
• Stabilized Stainless Steel — Stabilized composition supports resistance to sensitization during suitable service.
• Corrosion Resistance — Provides reliable resistance across many industrial environments.
• Industrial Versatility — Available in seamless, welded and large-diameter configurations.

Where it is used

• Chemical Processing
• Oil & Gas
• Petrochemical
• Refineries
• Power Generation
• Heat Exchangers
• High-Temperature Equipment
• Marine Industry
• Pharmaceutical
• Food Processing
• Fertilizer Plants
• Nuclear Applications
• Process Equipment
• Pressure Vessels

Inspection & paperwork

Suppliers on MetalMitra back Stainless Steel 347H Pipes with the checks and paperwork your QA team expects.

• Dimensional & Visual Inspection
• Material Grade Verification
• Chemical Composition Verification
• Mechanical Property Testing
• Stabilizing Element Verification as Applicable
• Non-Destructive Testing as Applicable
• Hydrostatic / Pressure Testing as Applicable
• Intergranular Corrosion Testing as Applicable
• EN 10204 3.1 Mill Test Certificate
• Customer-Specific Inspection Documentation

Material properties

Chemical composition and mechanical properties are supplied to the limits of the governing material standard. Actual heat values are reported on the mill test certificate shared with each consignment.

The MetalMitra advantage

• Verified suppliers — Mills, manufacturers and stockists are reviewed by the MetalMitra team before they list.
• One RFQ, several quotes — Share size, grade and quantity once and compare offers side by side.
• Full traceability — Heat numbers, EN 10204 3.1 MTCs and third-party inspection on request.
• Delivered worldwide — Export-worthy packing and shipping to India, the Middle East, Africa, Europe and the Americas.

Get a quote

Tell us the specification, quantity and destination you need for Stainless Steel 347H Pipes. MetalMitra connects you with suppliers who can deliver.

Technical note: Values on this page are for reference. Always confirm against the governing standard, your purchase specification and the mill test certificate.