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

3.8" Sch 80 Carbon Steel Seamless Pipe | OD 1.274" | WT 0.429"

Expert Overview

This 3.8" Schedule 80 seamless carbon steel pipe is engineered for superior pressure containment and structural integrity. Its robust construction ensures reliable performance in severe operating environments.

StandardISO 9001
MaterialCarbon Steel
FinishGalvanized
GradeN/A
Pipe Size3.8"
Outside Diameter1.274"
Wall Thickness0.429"

Detailed Engineering Specifications

A high-performance industrial component, this 3.8" Schedule 80 seamless carbon steel pipe is manufactured to exacting standards, featuring an outside diameter of 1.274" and a substantial wall thickness of 0.429". This robust specification ensures exceptional resistance to internal pressure and external stresses, making it ideal for high-pressure fluid transfer and structural applications. The carbon steel material offers excellent weldability and machinability, coupled with good tensile strength suitable for a wide range of industrial processes.

🧊 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 end preparation, including beveling if required by welding procedure. 2. Align pipe sections carefully, maintaining correct spacing for welding. 3. Secure pipe using appropriate clamping and support systems before welding to prevent movement.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using incorrect welding consumables for carbon steel.Consult material specifications and welding procedures to select appropriate filler metals and gases for carbon steel.
Inadequate pipe support leading to excessive stress.Implement a comprehensive pipe support system designed to carry the weight of the pipe and its contents, while accommodating thermal expansion and vibration.

Common Applications

  • High-pressure hydraulic systems
  • Steam and water lines in power generation
  • Chemical processing equipment

⚠️ Engineering Warnings

  • Ensure compatibility with transported media to prevent corrosion.
  • Adhere to all relevant safety regulations and industry standards during installation and operation.

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 hydraulic systems, Steam and water lines in power generation, Chemical processing equipment.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 1.274"ID = 2.067"WALL0.429"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.