Home > Pipe, Tubing, Hose & Fittings > Seamless Pipe, Schedule 160

4.1" Sch 160 304 Stainless Steel Seamless Pipe | OD 4.839" WT 0.142"

Expert Overview

Engineered for extreme pressure and demanding environments, this 4.1" Schedule 160 seamless pipe is manufactured from premium 304 stainless steel. It offers exceptional corrosion resistance and mechanical integrity.

StandardASME B18
Material304 Stainless Steel
FinishPassivated
GradeN/A
Pipe Size4.1"
Outside Diameter4.839"
Wall Thickness0.142"

Detailed Engineering Specifications

Specified by design engineers worldwide, this 4.1" nominal bore, Schedule 160 seamless pipe boasts an outside diameter of 4.839" and a wall thickness of 0.142". Constructed from high-grade 304 stainless steel, it provides superior resistance to a wide range of corrosive media and elevated temperatures. This material's excellent ductility and formability, coupled with its robust mechanical properties, make it ideal for high-pressure fluid transfer, structural components, and critical process piping where reliability is paramount.

🧊 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 burrs, and properly beveled according to welding procedure. 2. Align pipe sections precisely, maintaining proper gap for full penetration weld. 3. Perform welding in accordance with approved welding procedures for 304 stainless steel, followed by appropriate post-weld heat treatment if required by application.

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 welding filler material for 304 stainless steel.Always use a filler material compatible with 304 stainless steel, such as ER308L or E308L, to ensure weld integrity and corrosion resistance.
Inadequate pre-cleaning of pipe ends before welding.Thoroughly clean pipe ends with a stainless steel brush and solvent (e.g., acetone) to remove all contaminants, oils, and oxides that could compromise weld quality.

Common Applications

  • High-pressure fluid and gas transport systems
  • Chemical processing equipment and piping
  • Pharmaceutical and food/beverage industries
  • Marine and offshore applications
  • Heat exchanger tubing

⚠️ Engineering Warnings

  • Exercise caution during fabrication processes to avoid carbide precipitation, which can reduce corrosion resistance.
  • Ensure compatibility with the specific chemical environment and operating temperatures 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 160 made from?

A: This Seamless Pipe, Schedule 160 is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: High-pressure fluid and gas transport systems, Chemical processing equipment and piping, Pharmaceutical and food/beverage industries, Marine and offshore applications, Heat exchanger tubing.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 4.839"ID = 2.067"WALL0.142"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.