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3.9" Sch 80 304 Stainless Seamless Pipe | High Pressure

Expert Overview

This Schedule 80 seamless pipe, crafted from 304 stainless steel, offers exceptional durability and corrosion resistance. Its robust construction is ideal for high-pressure, critical fluid conveyance systems in challenging industrial settings.

StandardDIN 933
Material304 Stainless Steel
FinishPlain
GradeN/A
Pipe Size3.9"
Outside Diameter3.990"
Wall Thickness0.376"

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this 3.9" nominal size (3.990" outside diameter) Schedule 80 seamless pipe features a substantial 0.376" wall thickness. Constructed from premium 304 stainless steel, it exhibits excellent tensile strength, superior corrosion resistance to a wide range of aggressive media, and maintains structural integrity under elevated pressures and temperatures. This robust combination of material and dimensional specifications makes it the ideal choice for demanding applications requiring reliability and longevity.

🧊 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 cleaning and preparation of pipe ends, removing all contaminants. 2. Install fittings using appropriate welding or joining techniques as per industry standards for 304 stainless steel. 3. Conduct pressure testing to verify system integrity before operational use.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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 welding consumables for 304 stainless steel, leading to compromised corrosion resistance.Always use welding consumables specifically rated for 304 stainless steel to maintain the material's inherent protective oxide layer.
Inadequate support spacing for the pipe run, causing excessive deflection under load.Adhere to recommended support spacing guidelines for the specified pipe size and schedule to prevent undue stress and potential failure.

Common Applications

  • High-pressure chemical processing lines
  • Corrosive fluid transfer systems
  • Hydraulic and pneumatic conveyance

⚠️ Engineering Warnings

  • Ensure compatibility of transported media with 304 stainless steel.
  • Proper handling and storage are required to prevent surface contamination and 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: High-pressure chemical processing lines, Corrosive fluid transfer systems, Hydraulic and pneumatic conveyance.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 3.990"ID = 2.067"WALL0.376"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.