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3.9" Sch 160 316 SS Seamless Pipe - High Pressure

Expert Overview

This 3.9" Schedule 160 seamless pipe, fabricated from premium 316 stainless steel, offers exceptional strength and corrosion resistance. Its robust construction is ideal for demanding high-pressure and aggressive chemical applications.

StandardASME B18
Material316 Stainless Steel
FinishAnodized
GradeN/A
Pipe Size3.9"
Outside Diameter5.353"
Wall Thickness0.491"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this seamless pipe boasts a 3.9" nominal size, an outside diameter of 5.353", and a substantial 0.491" wall thickness, conforming to Schedule 160 specifications. The 316 stainless steel alloy provides superior resistance to pitting, crevice corrosion, and general corrosion, particularly in saline and acidic environments. Its seamless construction ensures uniform wall thickness, eliminating longitudinal weld defects and enhancing its integrity under extreme internal and external pressures. This makes it a critical component in petrochemical, chemical processing, and high-purity fluid transfer systems 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 all mating surfaces are clean and free from debris. 2. Properly align the pipe with the connecting fitting, verifying compatibility. 3. Execute welding or joining procedure as per industry best practices and material specifications, employing appropriate filler material for 316 stainless steel.

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)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 procedures for 316 stainless steel, leading to compromised corrosion resistance.Adhere strictly to recommended welding parameters for 316 stainless steel, including interpass temperature control and appropriate filler metal selection (e.g., 316L filler).
Improper handling or storage leading to contamination or physical damage of the pipe surface.Store pipes in a clean, dry environment, protected from impact. Handle with care using appropriate lifting equipment to prevent scratches or dents that could compromise integrity.

Common Applications

  • High-pressure chemical processing pipelines
  • Petrochemical refining systems
  • Marine and offshore fluid transfer

⚠️ Engineering Warnings

  • Always consult material safety data sheets (MSDS) for 316 stainless steel before handling.
  • Ensure proper ventilation and personal protective equipment (PPE) 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, Petrochemical refining systems, Marine and offshore fluid transfer.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 5.353"ID = 2.067"WALL0.491"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.