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

304 Stainless Steel Seamless Pipe, Sch 40, 4.2" OD, 1.911" Wall

Expert Overview

Engineered for demanding industrial environments, this Schedule 40 seamless pipe offers superior corrosion resistance and structural integrity. Manufactured from 304 stainless steel, it's designed for reliable performance in challenging fluid and gas transport applications.

StandardASME B18
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Pipe Size4.2"
Outside Diameter1.911"
Wall Thickness0.360"

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this 4.2" nominal size seamless pipe is manufactured from premium 304 stainless steel, renowned for its excellent corrosion resistance, especially against chlorides and most organic and inorganic compounds. It adheres to Schedule 40 dimensional standards, featuring a precise outside diameter of 1.911" and a robust wall thickness of 0.360". This combination ensures exceptional pressure containment capabilities and structural stability, making it suitable for demanding fluid transfer, high-temperature processes, and corrosive media handling in chemical processing, petrochemical, 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, deburred, and free of any contaminants. 2. Properly align pipe sections to prevent stress concentrations during connection. 3. Utilize appropriate welding procedures and filler materials (e.g., 308L for GTAW/TIG welding) to maintain the corrosion resistance of the base material.

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
Improper alignment leading to stress on joints.Use pipe alignment tools and ensure precise fit-up before welding or connecting.
Using incorrect welding consumables, compromising corrosion resistance.Always select welding filler materials (e.g., 308L stainless steel) specifically recommended for 304 stainless steel to maintain its inherent properties.

Common Applications

  • Chemical processing and transfer lines
  • High-pressure hydraulic and pneumatic systems
  • Food and beverage processing equipment and piping

⚠️ Engineering Warnings

  • While 304 stainless steel offers good corrosion resistance, it can be susceptible to pitting and crevice corrosion in stagnant chloride-rich environments.
  • Proper welding procedures are critical to avoid sensitization and maintain the material's full corrosion resistance.

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 and transfer lines, High-pressure hydraulic and pneumatic systems, Food and beverage processing equipment and piping.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 1.911"ID = 2.067"WALL0.360"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.