Home > Pipe, Tubing, Hose & Fittings > Seamless Pipe, Schedule 40

316 Stainless Steel Seamless Pipe, Sch 40, 4.4" NPS

Expert Overview

This 316 Stainless Steel Schedule 40 seamless pipe offers superior corrosion resistance and mechanical strength. Its precise dimensions ensure reliable performance in demanding industrial applications.

StandardASME B18
Material316 Stainless Steel
FinishAnodized
GradeN/A
Pipe Size4.4"
Outside Diameter4.298"
Wall Thickness0.295"

Detailed Engineering Specifications

A high-performance industrial component, this 316 Stainless Steel Schedule 40 seamless pipe is engineered for critical fluid and gas transport. With a nominal pipe size (NPS) of 4.4 inches, it features an actual outside diameter of 4.298 inches and a substantial wall thickness of 0.295 inches, conforming to ASTM A312 standards. The 316 alloy provides exceptional resistance to pitting and crevice corrosion, making it ideal for environments exposed to chlorides, sulfuric acids, and other aggressive media, ensuring longevity and operational integrity.

🧊 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 of debris. 2. Apply appropriate thread sealant or welding flux as required by the connection method. 3. Securely connect the pipe to fittings using calibrated torque or proper welding techniques.

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 incompatible thread sealant for 316 stainless steel.Utilize thread sealants specifically rated for stainless steel to prevent galvanic corrosion.
Over-tightening threaded connections, leading to stress cracking.Adhere to specified torque values for threaded connections to prevent damage and ensure a proper seal.

Common Applications

  • Chemical Processing and Petrochemical Industries
  • Marine and Offshore Environments
  • Food and Beverage Processing

⚠️ Engineering Warnings

  • Avoid contact with copper, brass, or other dissimilar metals during installation and operation to prevent galvanic corrosion.
  • Ensure proper ventilation when welding or cutting 316 stainless steel to avoid exposure to hazardous fumes.

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 Petrochemical Industries, Marine and Offshore Environments, Food and Beverage Processing.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 4.298"ID = 2.067"WALL0.295"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.