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

4" Sch 80 304 Stainless Steel Seamless Pipe | OD 5.343" WT 0.421"

Expert Overview

This 4.0" Schedule 80 seamless pipe, crafted from high-grade 304 stainless steel, offers exceptional strength and corrosion resistance for critical industrial fluid transport.

StandardASME B18
Material304 Stainless Steel
FinishPassivated
GradeN/A
Pipe Size4.0"
Outside Diameter5.343"
Wall Thickness0.421"

Detailed Engineering Specifications

Designed for demanding industrial environments, this 4.0" Schedule 80 seamless pipe boasts an outside diameter of 5.343" and a substantial wall thickness of 0.421", ensuring robust performance under extreme pressures and temperatures. Constructed from premium 304 stainless steel, it exhibits superior resistance to a wide range of corrosive media, including acids, alkalis, and chlorides, making it ideal for chemical processing, petrochemical, and high-purity applications. Its seamless construction eliminates weld-related vulnerabilities, guaranteeing leak-free operation and extended service life in challenging operational settings.

🧊 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 all mating surfaces are clean, free of debris, and properly aligned. 2. Apply appropriate thread sealant or gasket material according to manufacturer specifications. 3. Tighten connections to the recommended torque value, verifying for leaks under operational pressure.

Equivalent Standards (Cross-Reference)

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

Mechanical Properties

Tensile Strength75,000 psi (515 MPa)
Yield Strength30,000 psi (205 MPa)
Elongation in 2 in.40% min
HardnessRockwell B95 max

Chemical Composition

Carbon (C)0.08% max
Chromium (Cr)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°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 / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using incorrect thread sealant for corrosive media.Select thread sealants or gaskets specifically rated for the chemical composition and temperature of the fluid being conveyed.
Over-tightening or under-tightening pipe connections.Adhere strictly to manufacturer-recommended torque specifications to prevent thread damage or leaks.

Common Applications

  • Chemical Processing
  • Petrochemical Industry
  • High-Pressure Fluid Transfer
  • Food and Beverage Production
  • Pharmaceutical Manufacturing

⚠️ Engineering Warnings

  • Always verify material compatibility with the specific fluid and operating conditions.
  • Ensure proper handling and storage to prevent contamination or 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 80 made from?

A: This Seamless Pipe, Schedule 80 is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Chemical Processing, Petrochemical Industry, High-Pressure Fluid Transfer, Food and Beverage Production, Pharmaceutical Manufacturing.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 5.343"ID = 2.067"WALL0.421"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.