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

304 Stainless Steel Seamless Pipe, Sch 40 - 4.6" x 1.788" OD

Expert Overview

This 304 Stainless Steel seamless pipe, Schedule 40, offers exceptional corrosion resistance and mechanical strength. Engineered for critical fluid and gas transfer in harsh industrial settings.

StandardASME B18
Material304 Stainless Steel
FinishPassivated
GradeN/A
Pipe Size4.6"
Outside Diameter1.788"
Wall Thickness0.363"

Detailed Engineering Specifications

Designed for demanding industrial environments, this 4.6" Nominal Pipe Size (NPS) seamless pipe features a precise 1.788" outside diameter and a robust 0.363" wall thickness, conforming to Schedule 40 dimensions. Fabricated from premium 304 stainless steel, it provides superior resistance to a wide range of corrosive media, including acids, alkalis, and chlorides, making it ideal for high-pressure, high-temperature applications in chemical processing, petrochemical, food and beverage, 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. Ensure pipe ends are clean, free from debris, and properly chamfered for welding or coupling. 2. Verify compatibility of joining method (e.g., welding, threading, grooving) with the 304 stainless steel material. 3. Execute joining process according to relevant industry standards and codes, ensuring leak-tight integrity.

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 incompatible welding consumables for 304 stainless steel.Utilize filler metals specifically recommended for 304 stainless steel to maintain corrosion resistance and mechanical properties.
Improper cleaning after welding, leading to carbide precipitation.Perform post-weld cleaning and, if necessary, solution annealing to restore optimal corrosion resistance and prevent sensitization.

Common Applications

  • Chemical Processing and Petrochemical Systems
  • Food and Beverage Production Lines
  • Pharmaceutical and Biopharmaceutical Manufacturing
  • High-Purity Fluid Transfer

⚠️ Engineering Warnings

  • Always adhere to applicable ASME B31.3 or other relevant piping codes for design and installation.
  • Ensure proper handling and storage to prevent surface contamination and damage that could compromise 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 Petrochemical Systems, Food and Beverage Production Lines, Pharmaceutical and Biopharmaceutical Manufacturing, High-Purity Fluid Transfer.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 1.788"ID = 2.067"WALL0.363"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.