SCHEDULE 80

PIPE-STAINLESS-STEEL-SCH80

Overview

Schedule 80 Stainless Steel Pipe (SCH 80) is engineered for high-pressure, high-temperature, and mechanically demanding environments. Its significantly thicker wall provides superior strength, burst resistance, and durability, making it the standard choice for steam systems, chemical feed lines, industrial hydraulics, and corrosive processing environments.

ACE Stainless stocks seamless and welded SCH 80 in 304/304L and 316/316L with full MTR traceability and SmartCert® digital documentation, ensuring compliance for mission-critical systems.


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Applications

Schedule 80 stainless pipe is selected when system pressure, temperature, or environmental exposure demands maximum reliability and strength.

  • Steam & Thermal Systems: Boiler lines, condensate, thermal transfer loops.
  • High-Pressure Chemical Lines: Caustics, solvents, acids, corrosion-resistant transport.
  • Oil & Gas: Injection lines, offshore skids, high-stress production infrastructure.
  • Hydraulic & Pneumatic Systems: High-pressure air, hydraulic supply, compressor discharge lines.
  • Industrial Manufacturing: Heat-treating, furnace support lines, abrasive media transfer.
  • Water Treatment: High-pressure RO membranes, industrial pump discharge headers.
  • Heavy Fabrication: Pressure-rated frames, reinforced assemblies, load-bearing structures.
  • Hobbyist / Engineering: High-pressure DIY builds, performance steam systems, structural components.

SCH 80 is the backbone of industrial-grade stainless systems where failure is not an option.

Technical Structure

  • Specifications: ASTM A312, ASME B36.19M dimensions; seamless for highest pressure.
  • Wall Thickness: Significantly heavier than SCH 10 and SCH 40.
  • Grades: 304/304L and 316/316L standard; duplex and high alloys upon request.
  • Pressure Ratings: Suitable for elevated and extreme pressure depending on size and grade.
  • Temperature Compatibility: Maintains strength across wide thermal ranges.
  • Manufacturing Types: Seamless recommended for highest pressure integrity; welded available.
  • Dimensional Accuracy: Tight OD/WT tolerances for reliable welding and fabrication.
  • NDT Testing: Hydrotest, RT, UT, PT, and PMI for code-driven projects.
  • Surface Finish: Mill finish, pickled & passivated; custom polishing available.
  • MTR Traceability: Full SmartCert® documentation syncing with QC workflows.

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Industries Served

  • Oil & Gas Refining & Production
  • Petrochemical & Chemical Plants
  • Power Generation & Utilities
  • Steam & Thermal Energy Systems
  • Pharmaceutical Process Heating
  • Mining & Heavy Industry
  • Industrial Manufacturing Lines
  • High-Pressure Water Treatment
  • Marine & Offshore Platforms
  • OEM High-Pressure Fabrication
  • Advanced Performance Hobbyists

Integration & Workflow

  • Fabrication: SCH 80 is ideal for high-pressure spools, custom skids, and structural assemblies.
  • Machining & Prep: Heavier wall allows threading, tapping, grooving, and precision beveling.
  • Weldability: Suitable for TIG, MIG, stick, and orbital welding in pressure-coded applications.
  • Testing Requirements: Often paired with hydrotest, NDT, and weld map documentation.
  • Project Logistics: Palletized shipment, heat numbering, and jobsite labeling.
  • SmartCert Workflow: Automated MTR distribution to engineering and QC departments.
  • OEM Continuity: Consistent wall thickness and lot control for batch production.

ACE ensures SCH 80 stainless pipe integrates perfectly into mission-critical, pressure-rated systems with unmatched reliability and documentation.

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