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3.4" Sch 40 316 SS Seamless Pipe | OD 4.705" WT 0.278"

Expert Overview

This Schedule 40 seamless pipe, manufactured from premium 316 stainless steel, offers superior corrosion resistance and structural integrity for critical industrial applications.

StandardASTM A106
Material316 Stainless Steel
FinishGalvanized
GradeN/A
Pipe Size3.4"
Outside Diameter4.705"
Wall Thickness0.278"

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this 3.4" nominal size seamless pipe boasts an exacting 4.705" outside diameter and a robust 0.278" wall thickness, conforming to Schedule 40 standards. The inherent properties of 316 stainless steel, including enhanced molybdenum content, provide exceptional resistance to pitting, crevice corrosion, and general corrosion in aggressive media, high temperatures, and saline environments. This makes it the material of choice for chemical processing, marine applications, food and beverage production, and pharmaceutical manufacturing where purity and longevity are paramount. Its seamless construction eliminates weld seams, ensuring uniform wall strength and preventing potential leak paths under extreme pressure and thermal cycling.

🧊 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 preparation, including deburring and cleaning of cut ends. 2. Carefully align pipe sections to maintain straightness and prevent stress concentration. 3. Employ approved joining methods (e.g., welding, threading) according to industry standards for 316 stainless steel.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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
Inadequate cleaning of pipe ends prior to joining.Thoroughly clean and deburr all cut ends to remove debris and ensure a clean surface for secure connections.
Over-tightening threaded connections, leading to galling or damage.Use appropriate thread sealant and tighten threaded connections to manufacturer specifications, avoiding excessive force.

Common Applications

  • Chemical Processing Pipelines
  • Marine and Offshore Systems
  • Food and Beverage Transfer Lines
  • Pharmaceutical Manufacturing

⚠️ Engineering Warnings

  • Always consult relevant industry standards and manufacturer guidelines for specific installation and application requirements.
  • Ensure material compatibility with the fluid or gas being conveyed to prevent corrosion or product contamination.

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 40 made from?

A: This Seamless Pipe, Schedule 40 is manufactured from 316 Stainless Steel.

Q: What are the main applications?

A: Chemical Processing Pipelines, Marine and Offshore Systems, Food and Beverage Transfer Lines, Pharmaceutical Manufacturing.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 4.705"ID = 2.067"WALL0.278"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.