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316 Stainless Steel 4" Schedule 40 Seamless Pipe

Expert Overview

This 4.0" Schedule 40 seamless pipe, crafted from premium 316 stainless steel, offers superior corrosion resistance and mechanical strength. Engineered for critical fluid and gas transport in harsh environments.

StandardASME B18
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Pipe Size4.0"
Outside Diameter3.492"
Wall Thickness0.457"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this 316 stainless steel seamless pipe boasts a 4.0" nominal pipe size, a precise 3.492" outside diameter, and a robust 0.457" wall thickness, conforming to Schedule 40 specifications. The austenitic 316 stainless steel alloy provides exceptional resistance to pitting and crevice corrosion, even in aggressive chloride-containing environments, due to its molybdenum content. This makes it ideal for demanding applications requiring long-term integrity and reliability.

🧊 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 proper alignment and cleanliness of pipe ends and fittings. 2. Apply appropriate threading compound or sealant to male threads if applicable. 3. Securely fasten connections using torque wrenches to recommended specifications, avoiding over-tightening.

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 thread sealant for the specific fluid or gas being transported.Consult the material compatibility chart for the fluid/gas and select a sealant rated for both the material and the operating conditions.
Overtightening threaded connections, leading to thread damage or pipe distortion.Utilize calibrated torque wrenches and adhere to manufacturer-recommended torque values for the specific pipe size and schedule.

Common Applications

  • Chemical processing and handling
  • Marine environments and offshore platforms
  • Pharmaceutical and food processing industries

⚠️ Engineering Warnings

  • Always verify material compatibility for the specific application and operating conditions.
  • Ensure proper handling and storage to prevent damage or contamination of the pipe interior.

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 316 Stainless Steel.

Q: What are the main applications?

A: Chemical processing and handling, Marine environments and offshore platforms, Pharmaceutical and food processing industries.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 3.492"ID = 2.067"WALL0.457"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.