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304 Stainless Steel Seamless Pipe Schedule 40, 4.5" OD

Expert Overview

Engineered for robust performance, this 304 stainless steel seamless pipe, Schedule 40, offers exceptional strength and corrosion resistance. Its precise dimensions ensure reliable fluid and gas transport in critical systems.

StandardDIN 933
Material304 Stainless Steel
FinishPlain
GradeN/A
Pipe Size4.5"
Outside Diameter3.679"
Wall Thickness0.308"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this 4.5" nominal pipe size (NPS) seamless pipe features a 3.679" outside diameter and a 0.308" wall thickness, conforming to Schedule 40 specifications. Constructed from 304 stainless steel, it provides excellent resistance to a wide range of corrosive media, making it ideal for environments requiring hygiene, high temperatures, or aggressive chemical exposure. The seamless construction eliminates weld-related vulnerabilities, ensuring uniform wall strength and enhanced leak integrity for demanding fluid handling.

🧊 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 beveled if required for welding. 2. Align pipe segments accurately, maintaining straightness and preventing stress on the system. 3. Secure pipe using appropriate supports and clamps to prevent movement and vibration.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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 cleaning of pipe ends prior to connection.Thoroughly clean pipe ends with a degreaser and wire brush to remove all contaminants, ensuring a strong and leak-free joint.
Over-tightening threaded connections, leading to thread damage.Use appropriate torque specifications for threaded connections and employ a suitable sealant or tape to prevent over-tightening.

Common Applications

  • Chemical processing and petrochemical industries
  • Food and beverage processing equipment
  • Pharmaceutical and medical applications

⚠️ Engineering Warnings

  • Always adhere to relevant ASME/ANSI B31.3 process piping codes for installation and safety.
  • Ensure compatibility of the 304 stainless steel grade with the specific fluids and operating temperatures to prevent premature corrosion.

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 industries, Food and beverage processing equipment, Pharmaceutical and medical applications.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 3.679"ID = 2.067"WALL0.308"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.