Home > Pipe, Tubing, Hose & Fittings > Seamless Pipe, Schedule 40

4" Sch 40 316 Stainless Steel Seamless Pipe | OD 2.584" WT 0.397"

Expert Overview

Engineered for demanding industrial applications, this 4.0" Schedule 40 seamless pipe is constructed from premium 316 stainless steel. Its robust construction ensures superior performance in corrosive and high-pressure environments.

StandardASME B18
Material316 Stainless Steel
FinishGalvanized
GradeN/A
Pipe Size4.0"
Outside Diameter2.584"
Wall Thickness0.397"

Detailed Engineering Specifications

A proven choice for industrial professionals, this 4.0" Schedule 40 seamless pipe is manufactured from high-grade 316 stainless steel, renowned for its exceptional corrosion resistance, particularly against chlorides and pitting. The precise outside diameter of 2.584" and a substantial wall thickness of 0.397" ensure compliance with ASTM A312 standards, delivering outstanding mechanical integrity for critical fluid transfer and structural applications within 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. Verify pipe dimensions and material integrity before installation. 2. Ensure proper alignment and support during welding or joining to prevent stress concentrations. 3. Perform pressure testing according to applicable codes and standards after completion.

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 incorrect welding consumables for 316 stainless steel.Utilize welding electrodes or filler metals specifically designed for 316 stainless steel to maintain corrosion resistance.
Inadequate post-weld cleaning leading to potential contamination.Thoroughly clean welds and surrounding areas after fabrication to remove slag, spatter, and any contaminants that could compromise corrosion resistance.

Common Applications

  • Chemical Processing and Petrochemical Plants
  • Marine and Offshore Environments
  • Pharmaceutical and Food & Beverage Production

⚠️ Engineering Warnings

  • Always follow industry-specific safety guidelines and best practices during handling and installation.
  • Ensure compatibility of all connected components and fluids with 316 stainless steel to prevent premature failure.

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 and Petrochemical Plants, Marine and Offshore Environments, Pharmaceutical and Food & Beverage Production.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 2.584"ID = 2.067"WALL0.397"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.