Home > Pipe, Tubing, Hose & Fittings > Seamless Pipe, Schedule 80

5.5" Sch 80 Carbon Steel Seamless Pipe - High Pressure

Expert Overview

This 5.5" Schedule 80 seamless carbon steel pipe is engineered for superior performance in high-pressure industrial settings. Its robust construction ensures reliability and longevity in challenging applications.

StandardISO 9001
MaterialCarbon Steel
FinishAnodized
GradeN/A
Pipe Size5.5"
Outside Diameter4.373"
Wall Thickness0.298"

Detailed Engineering Specifications

Designed for demanding industrial environments, this 5.5" Schedule 80 seamless pipe boasts a precise outside diameter of 4.373" and a substantial wall thickness of 0.298". Manufactured from high-grade carbon steel, it offers exceptional tensile strength and yield strength, making it ideal for conveying fluids and gases under significant pressure and temperature variations. Its seamless construction eliminates potential leak points common in welded pipes, providing enhanced safety and integrity for critical infrastructure and processing systems.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

VictaulicEst. 1919
USA🇺🇸
"Mechanical pipe joining solutions."
Market Rank
🏆 #1 Grooved Piping System
Industry Approvals
🚀 Global Fire & HVAC Approved
Warranty & Support
🛡️ Lifetime Integrity Guarantee
Green Manufacturing
🌱 100% Recycled Steel
Certified:ISO 9001, FM, UL
SwagelokEst. 1947
USA🇺🇸
"High-purity tube fittings."
Market Rank
🏆 #1 High-Purity Fluid Systems
Industry Approvals
🚀 Semiconductor Approved
Warranty & Support
🛡️ Lifetime Limited Warranty
Green Manufacturing
🌱 Zero Leakage Promise
Certified:ISO 9001, PED
NibcoEst. 1904
USA🇺🇸
"Flow control and pipe fittings."
Market Rank
🏆 Top 5 Flow Control
Industry Approvals
🚀 Commercial Plumbing Approved
Warranty & Support
🛡️ 5-Year Limited Warranty
Green Manufacturing
🌱 Lead-Free Pioneer
Certified:ISO 9001, NSF/ANSI 61

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:Yes

Installation Procedure

1. Ensure proper pipe preparation, including deburring and cleaning of cut ends. 2. Align pipe ends accurately using appropriate alignment tools. 3. Install fittings and secure connections according to applicable welding or threading standards and specifications.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

Mechanical Properties

Burst Pressure4x Working Pressure (Typical)
Working PressureSee Manufacturer Specs
Temperature Range-20°F to 400°F (-29°C to 204°C)

Chemical Composition

Carbon (C)0.28 - 0.55%
Manganese (Mn)0.60 - 0.90%
Phosphorus (P)0.04% max
Sulfur (S)0.05% max

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
StandardVaries by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Incorrectly sized fittings or couplings.Always verify that fittings and couplings match the specified pipe size (5.5" Sch 80) and the pipe's outside diameter (4.373").
Inadequate joint preparation for welding.Thoroughly clean and bevel pipe ends to the required specifications for the chosen welding procedure to ensure a strong, leak-free joint.

Common Applications

  • High-pressure fluid and gas transport
  • Hydraulic systems
  • Boiler and heat exchanger tubing

⚠️ Engineering Warnings

  • Always adhere to relevant industry codes and standards (e.g., ASME B31.1, B31.3) for installation and operation.
  • Ensure compatibility of conveyed medium with carbon steel to prevent corrosion or material degradation.

Alternative Products to Consider

Premium Pipe, Tubing, Hose & Fittings equivalentHigher corrosion resistance (316 SS)
Economy Pipe, Tubing, Hose & Fittings optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Seamless Pipe, Schedule 80 made from?

A: This Seamless Pipe, Schedule 80 is manufactured from Carbon Steel.

Q: What are the main applications?

A: High-pressure fluid and gas transport, Hydraulic systems, Boiler and heat exchanger tubing.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 4.373"ID = 2.067"WALL0.298"MAX WORKING PRESSURE: 2,500 psiSeamless Construction — Uniform Wall Thickness

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.