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3.1" Sch 40 304 SS Seamless Pipe | OD 2.989" WT 0.278"

Expert Overview

Engineered from premium 304 stainless steel, this Schedule 40 seamless pipe offers exceptional corrosion resistance and structural integrity. Its precise dimensions ensure reliable performance in critical fluid and gas conveyance systems.

StandardASME B18
Material304 Stainless Steel
FinishPlain
GradeN/A
Pipe Size3.1"
Outside Diameter2.989"
Wall Thickness0.278"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this 3.1-inch Schedule 40 seamless pipe boasts an outside diameter of 2.989 inches and a robust wall thickness of 0.278 inches. Constructed from 304 stainless steel, it exhibits excellent resistance to a wide range of corrosive media, including many acids, alkalis, and salts, and maintains its mechanical properties at elevated temperatures. The seamless construction eliminates weld-related weaknesses, making it ideal for high-pressure applications and environments prone to stress corrosion cracking.

🧊 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 and free from debris. 2. Install using appropriate Schedule 40 fittings and joining methods (e.g., welding, threading). 3. Pressure test the system to verify integrity before operational use.

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)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°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 / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using incorrect fittings not rated for Schedule 40 and 304 stainless steel.Always select fittings that are specifically designed for Schedule 40 dimensions and are compatible with 304 stainless steel.
Improper cleaning of pipe ends before joining, leading to compromised connections.Thoroughly clean both the pipe ends and the inside of fittings to remove any contaminants that could hinder a secure joint.

Common Applications

  • Chemical processing plants
  • Food and beverage production
  • Pharmaceutical manufacturing
  • High-pressure fluid transfer
  • Corrosive fluid handling

⚠️ Engineering Warnings

  • Ensure proper welding procedures for 304 stainless steel to maintain corrosion resistance.
  • Verify compatibility of conveyed media with 304 stainless steel to prevent premature degradation.

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 304 Stainless Steel.

Q: What are the main applications?

A: Chemical processing plants, Food and beverage production, Pharmaceutical manufacturing, High-pressure fluid transfer, Corrosive fluid handling.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 2.989"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.