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

1.2" Schedule 40 Carbon Steel Seamless Pipe | OD 1.445" WT 0.257"

Expert Overview

This Schedule 40 seamless carbon steel pipe offers superior strength and durability for critical fluid and gas conveyance in demanding industrial environments. Precisely manufactured for reliable performance.

StandardASME B18
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
Pipe Size1.2"
Outside Diameter1.445"
Wall Thickness0.257"

Detailed Engineering Specifications

A high-performance industrial component, this 1.2" nominal pipe size (NPS) seamless pipe boasts a 1.445" outside diameter (OD) and a robust 0.257" wall thickness, conforming to Schedule 40 specifications. Constructed from high-grade carbon steel, it exhibits excellent tensile and yield strength, ensuring integrity under significant internal pressure and external load. Its seamless design eliminates weld-related weaknesses, making it ideal for high-pressure, high-temperature applications and environments where leak prevention is paramount. Material certifications are available upon request.

🧊 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 of burrs, and properly beveled for welding or threading. 2. Align pipe sections accurately to prevent stress concentration. 3. Securely join pipe sections using appropriate welding procedures or threaded fittings, adhering to industry standards and applicable codes.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

Mechanical Properties

Burst Pressure4x Working Pressure (Typical)
Working PressureSee Manufacturer Specs
Temperature Range-20°F to 400°F (-29°C to 204°C)

Chemical Composition

Carbon (C)0.28 - 0.55%
Manganese (Mn)0.60 - 0.90%
Phosphorus (P)0.04% max
Sulfur (S)0.05% max

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°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 / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using incorrect fittings for the pipe's schedule and material.Always use Schedule 40 compatible fittings made from carbon steel or a compatible alloy to ensure a secure and leak-free connection.
Inadequate pipe end preparation for welding.Ensure pipe ends are clean, free of mill scale, rust, and oil, and are properly beveled according to welding procedure specifications to achieve full penetration welds.

Common Applications

  • High-pressure fluid and gas transmission lines
  • Hydraulic systems
  • Steam lines
  • General structural applications

⚠️ Engineering Warnings

  • Always consult relevant ASME, API, and local codes for specific application requirements and safety standards.
  • Ensure proper material handling and storage to prevent damage and corrosion before 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 40 made from?

A: This Seamless Pipe, Schedule 40 is manufactured from Carbon Steel.

Q: What are the main applications?

A: High-pressure fluid and gas transmission lines, Hydraulic systems, Steam lines, General structural applications.

Technical Schematic

PIPE CROSS-SECTIONASTM A106 / ASME B36.10FLOWOD = 1.445"ID = 2.067"WALL0.257"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.