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3.5" Sch 40 316 Stainless Steel Seamless Pipe

Expert Overview

This 3.5-inch Schedule 40 seamless pipe, crafted from premium 316 stainless steel, provides exceptional strength and corrosion resistance. Ideal for high-pressure, aggressive media, and extreme temperature applications where reliability is paramount.

StandardASME B18
Material316 Stainless Steel
FinishZinc Plated
GradeN/A
Pipe Size3.5"
Outside Diameter3.119"
Wall Thickness0.281"

Detailed Engineering Specifications

Designed for demanding industrial environments, this 3.5" Schedule 40 seamless pipe boasts a 3.119" outside diameter and a robust 0.281" wall thickness, adhering to stringent ASME B36.19 standards. The 316 stainless steel alloy provides superior resistance to pitting, crevice corrosion, and general corrosion, particularly in saline or acidic environments. Its seamless construction ensures leak-free performance and uniform wall thickness, making it suitable for critical fluid and gas conveyance systems in chemical processing, pharmaceuticals, and food & beverage 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. Ensure pipe ends are clean, free of debris, and properly chamfered for welding or coupling. 2. Verify compatibility of fittings and welding consumables with 316 stainless steel. 3. Perform proper weld procedures according to ASME B31.3 or relevant codes, followed by appropriate post-weld heat treatment if required.

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 electrodes or filler metals specifically designated for 316 stainless steel to maintain corrosion resistance and mechanical integrity.
Inadequate cleaning of pipe ends before joining.Thoroughly clean pipe ends with a non-chlorinated solvent to remove grease, oil, and foreign particles before welding or fitting to prevent weld defects and contamination.

Common Applications

  • Chemical Processing Piping
  • High-Purity Fluid Transfer
  • Marine and Offshore Systems

⚠️ Engineering Warnings

  • Ensure proper handling to prevent contamination with carbon steel, which can lead to galvanic corrosion.
  • Always adhere to relevant industry codes and standards for welding and installation of stainless steel piping.

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 Piping, High-Purity Fluid Transfer, Marine and Offshore Systems.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 3.119"ID = 2.067"WALL0.281"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.