Home > Pipe, Tubing, Hose & Fittings > Seamless Pipe, Schedule 40

3.7" Sch 40 Aluminum 6061 Seamless Pipe | 1.284" OD

Expert Overview

This Schedule 40 seamless pipe, crafted from high-strength Aluminum 6061, provides exceptional corrosion resistance and structural integrity for critical industrial applications.

StandardASTM A106
MaterialAluminum 6061
FinishGalvanized
GradeN/A
Pipe Size3.7"
Outside Diameter1.284"
Wall Thickness0.141"

Detailed Engineering Specifications

A proven choice for industrial professionals, this 3.7" nominal pipe size (NPS) Schedule 40 seamless pipe boasts a precise 1.284" outside diameter and a robust 0.141" wall thickness. Manufactured from Aluminum 6061, it delivers a superior balance of strength, weldability, and excellent resistance to atmospheric and seawater corrosion, making it ideal for demanding environments where weight and durability are paramount. Its seamless construction ensures uniform wall thickness and eliminates potential leak paths common in welded alternatives.

🧊 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. Ensure mating surfaces are clean and free of debris. 2. Apply appropriate sealant or thread tape to male threads. 3. Hand-tighten connection, then use a wrench for a final 1-2 turns, avoiding overtightening.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong sealant for aluminum alloys.Consult material compatibility charts to select a sealant specifically designed for aluminum 6061 to prevent galvanic corrosion.
Overtightening connections, leading to thread damage or pipe deformation.Follow recommended torque specifications for aluminum pipe fittings, utilizing a torque wrench if precise control is needed.

Common Applications

  • Structural components in marine environments
  • Aerospace fluid conveyance systems
  • High-performance exhaust systems

⚠️ Engineering Warnings

  • Aluminum 6061 is susceptible to stress corrosion cracking in specific aggressive environments; consult environmental data.
  • Ensure proper grounding when welding or machining to prevent static discharge damage.

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: Structural components in marine environments, Aerospace fluid conveyance systems, High-performance exhaust systems.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 1.284"ID = 2.067"WALL0.141"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.