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3" Sch 40 Aluminum 6061 Seamless Pipe | Industrial Grade

Expert Overview

This Schedule 40 seamless aluminum pipe, crafted from high-strength 6061 alloy, offers exceptional durability and corrosion resistance. Its precise dimensions and smooth interior make it ideal for demanding fluid transfer and structural applications in harsh industrial settings.

StandardASME B18
MaterialAluminum 6061
FinishBlack Oxide
GradeN/A
Pipe Size3.0"
Outside Diameter4.340"
Wall Thickness0.168"

Detailed Engineering Specifications

Designed for demanding industrial environments, this 3.0" nominal pipe size (NPS) seamless aluminum pipe boasts an actual outside diameter (OD) of 4.340" and a wall thickness of 0.168", conforming to Schedule 40 specifications. Fabricated from Aluminum 6061-T6, it exhibits excellent tensile strength (minimum 35 ksi), yield strength (minimum 32 ksi), and superior corrosion resistance, particularly in marine and chemical processing environments. Its seamless construction ensures uniform wall thickness, eliminating weld-related weaknesses and providing a smooth internal surface for optimized flow and reduced pressure drop in critical fluid conveyance 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:N/A

Installation Procedure

1. Inspect pipe ends for damage or debris. Ensure mating surfaces are clean and free of contaminants. 2. Assemble pipe sections using appropriate fittings and joining methods (e.g., welding, brazing, mechanical connectors) suitable for aluminum alloys and pressure ratings. 3. Verify all connections are secure and leak-free before introducing system pressure.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

Mechanical Properties

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

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
Using incompatible joining methods or materials not rated for aluminum 6061.Consult material compatibility charts and utilize welding consumables (e.g., 4043 or 5356 filler wire) and fittings specifically designed for Aluminum 6061. Ensure proper preheating and post-weld heat treatment if required by application.
Over-tightening fittings, leading to deformation or cracking of the aluminum pipe.Apply manufacturer-specified torque values for fittings. Use proper tools and techniques to avoid excessive stress on the pipe wall.

Common Applications

  • Chemical processing fluid transfer
  • Marine and offshore structural components
  • Pneumatic and hydraulic systems
  • Structural framing in corrosive environments

⚠️ Engineering Warnings

  • Aluminum 6061 requires specific welding procedures and filler materials; consult welding specifications.
  • Avoid prolonged exposure to strong alkalis or acids, which can cause corrosion.

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 40 made from?

A: This Seamless Pipe, Schedule 40 is manufactured from Aluminum 6061.

Q: What are the main applications?

A: Chemical processing fluid transfer, Marine and offshore structural components, Pneumatic and hydraulic systems, Structural framing in corrosive environments.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 4.340"ID = 2.067"WALL0.168"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.