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3" Schedule 40 Carbon Steel Seamless Pipe - 4.378" OD

Expert Overview

This 3.0" Schedule 40 seamless carbon steel pipe offers superior strength and durability for demanding fluid and gas transport applications. Its robust construction ensures reliability in high-pressure environments.

StandardASTM A106
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
Pipe Size3.0"
Outside Diameter4.378"
Wall Thickness0.148"

Detailed Engineering Specifications

Manufactured under strict quality controls, this 3.0" Schedule 40 seamless pipe adheres to ASTM A53 specifications. It features an outside diameter of 4.378" and a nominal wall thickness of 0.148", resulting in a minimum yield strength of 35,000 psi and tensile strength of 60,000 psi for Grade B. The carbon steel composition provides excellent weldability and corrosion resistance in many industrial settings. The seamless manufacturing process eliminates a weld seam, ensuring uniform wall thickness and enhanced structural integrity for critical applications.

🧊 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 beveling for weld preparation. 2. Align and tack weld pipe sections according to welding procedure specifications. 3. Complete full weld penetration and perform non-destructive testing as required.

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)

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Incorrect pipe sizing leading to flow restrictions or leaks.Verify required flow rates and pressure ratings to select the correct pipe size and schedule.
Improper welding techniques causing voids or lack of fusion.Utilize qualified welders and adhere strictly to approved welding procedures and material compatibility guidelines.

Common Applications

  • High-pressure fluid and gas transportation in petrochemical plants
  • Structural support in heavy industrial construction
  • Conduit for process piping in manufacturing facilities

⚠️ Engineering Warnings

  • Always consult relevant industry codes and standards (e.g., ASME B31.1, B31.3) for specific application requirements.
  • Ensure proper handling and storage to prevent damage and contamination prior to installation.

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 Carbon Steel.

Q: What are the main applications?

A: High-pressure fluid and gas transportation in petrochemical plants, Structural support in heavy industrial construction, Conduit for process piping in manufacturing facilities.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 4.378"ID = 2.067"WALL0.148"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.