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

3.1" Sch 80 316 Stainless Steel Seamless Pipe

Expert Overview

Engineered for demanding environments, this 3.1" Schedule 80 seamless pipe offers superior corrosion resistance and mechanical strength. Manufactured from premium 316 stainless steel, it ensures reliable performance in aggressive media and high-pressure systems.

StandardDIN 933
Material316 Stainless Steel
FinishPassivated
GradeN/A
Pipe Size3.1"
Outside Diameter3.339"
Wall Thickness0.322"

Detailed Engineering Specifications

A proven choice for industrial professionals, this 3.1" Schedule 80 seamless pipe boasts an outside diameter of 3.339" and a robust wall thickness of 0.322". Constructed from high-grade 316 stainless steel, it provides exceptional resistance to pitting, crevice corrosion, and general corrosion in environments containing chlorides and other aggressive chemicals. Its seamless construction ensures uniform wall thickness, eliminating weld-related weaknesses and offering superior leak integrity, making it ideal for high-pressure fluid transport in chemical processing, marine, and pharmaceutical industries.

🧊 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. Clean pipe ends thoroughly to remove any debris or contaminants. 2. Apply appropriate threading compound or PTFE tape to male threads before connecting. 3. Tighten connections securely using calibrated torque wrenches to specified values, avoiding over-tightening.

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)16.0 - 18.0%
Nickel (Ni)10.0 - 14.0%
Molybdenum (Mo)2.0 - 3.0%

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1500°F (815°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 / SaltwaterExcellent
Chemical / AcidicGood

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using incompatible threading compounds or sealants.Always use thread sealants specifically rated for 316 stainless steel and the fluid being conveyed.
Over-tightening pipe fittings, leading to thread damage or pipe deformation.Adhere to manufacturer-recommended torque specifications for all connections.

Common Applications

  • Chemical Processing Pipelines
  • Marine and Offshore Systems
  • High-Purity Fluid Transfer
  • Pharmaceutical Manufacturing

⚠️ Engineering Warnings

  • Ensure proper material compatibility with transported fluids to prevent premature corrosion.
  • Always follow industry-standard safety procedures and wear appropriate personal protective equipment 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 316 Stainless Steel.

Q: What are the main applications?

A: Chemical Processing Pipelines, Marine and Offshore Systems, High-Purity Fluid Transfer, Pharmaceutical Manufacturing.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 3.339"ID = 2.067"WALL0.322"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.