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3.9" Sch 160 316 SS Seamless Pipe - High Pressure

Expert Overview

Engineered for extreme service, this Schedule 160 seamless pipe boasts a robust 0.278" wall thickness, providing exceptional pressure containment and structural integrity for critical industrial operations.

StandardISO 9001
Material316 Stainless Steel
FinishPlain
GradeN/A
Pipe Size3.9"
Outside Diameter4.222"
Wall Thickness0.278"

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this 3.9" (nominal) pipe features a precise 4.222" outside diameter and a substantial 0.278" wall thickness, conforming to stringent Schedule 160 standards. Constructed from premium 316 stainless steel, it offers superior resistance to corrosion, pitting, and crevice attack, even in aggressive chemical and high-temperature environments. This robust construction ensures reliable performance in demanding sectors like chemical processing, oil and gas extraction, and high-pressure fluid transfer systems where structural integrity and material longevity are 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 all mating surfaces and pipe ends are clean and free from debris. 2. Align pipe sections carefully, maintaining concentricity. 3. Perform welding or joining according to ASME B31.3 or relevant piping code specifications.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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)16.0 - 18.0%
Nickel (Ni)10.0 - 14.0%
Molybdenum (Mo)2.0 - 3.0%

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1500°F (815°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 / SaltwaterExcellent
Chemical / AcidicGood

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using incorrect welding consumables for 316 stainless steel.Utilize welding consumables specifically designed for 316 stainless steel to maintain corrosion resistance and mechanical properties.
Inadequate post-weld cleaning, leading to potential contamination and corrosion.Thoroughly clean all weld areas and surrounding surfaces after welding, typically through pickling and passivation, to remove heat tint and contaminants.

Common Applications

  • High-pressure chemical processing pipelines
  • Offshore oil and gas fluid transfer
  • Power generation steam and water systems

⚠️ Engineering Warnings

  • Always verify compatibility of fluid media with 316 stainless steel at specified operating temperatures and pressures.
  • Ensure adherence to all applicable industry codes and standards during fabrication and installation.

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 316 Stainless Steel.

Q: What are the main applications?

A: High-pressure chemical processing pipelines, Offshore oil and gas fluid transfer, Power generation steam and water systems.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 4.222"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.