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316 Stainless Steel Schedule 80 Seamless Pipe - 2.9" NPS

Expert Overview

This 316 Stainless Steel Schedule 80 seamless pipe is engineered for superior performance in demanding industrial environments. Its robust construction ensures reliability under extreme pressure and corrosive conditions.

StandardASME B18
Material316 Stainless Steel
FinishPassivated
GradeN/A
Pipe Size2.9"
Outside Diameter3.957"
Wall Thickness0.345"

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this 316 Stainless Steel Schedule 80 seamless pipe features a nominal pipe size (NPS) of 2.9", an exact outside diameter (OD) of 3.957", and a substantial wall thickness (WT) of 0.345". The superior corrosion resistance of 316 stainless steel, attributed to its molybdenum content, makes it ideal for handling aggressive chemicals, high temperatures, and saline environments, ensuring long-term integrity in critical systems.

🧊 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 and free from debris. 2. Carefully align the pipe with the fitting or connecting component. 3. Securely fasten using appropriate welding, threading, or coupling methods according to industry standards and application requirements.

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)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 welding consumables for 316 stainless steel.Utilize welding consumables specifically designed for 316 stainless steel to maintain its corrosion resistance and mechanical properties.
Over-tightening threaded connections, leading to stress corrosion cracking.Apply appropriate torque to threaded connections, avoiding excessive force to prevent damage and maintain material integrity.

Common Applications

  • Chemical processing plants
  • Offshore oil and gas exploration
  • Pharmaceutical manufacturing

⚠️ Engineering Warnings

  • Always adhere to ASME B31.3 or relevant piping codes for installation and pressure ratings.
  • Ensure proper handling and storage to prevent surface 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 316 Stainless Steel.

Q: What are the main applications?

A: Chemical processing plants, Offshore oil and gas exploration, Pharmaceutical manufacturing.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 3.957"ID = 2.067"WALL0.345"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.