Home > U-Bolts > Carbon Steel U-Bolt, 4" Pipe

4" Carbon Steel U-Bolt | 4.28" Width, 2.81" Length | Industrial Grade

Expert Overview

Engineered for robust pipe support and clamping, this 4" carbon steel U-bolt features a durable construction to withstand demanding industrial environments, ensuring reliable and long-lasting performance.

StandardISO 9001
MaterialCarbon Steel
FinishGalvanized
GradeN/A
Inside Width ( A)4.28"
Inside Length ( B)2.81"
Thread Size1/2"-13

Detailed Engineering Specifications

A high-performance industrial component, this U-bolt is precisely manufactured from high-grade carbon steel, offering superior tensile strength and resistance to deformation under significant load. The 4.28" inside width (A) is optimized for securely encompassing standard 4-inch nominal pipe. Its 2.81" inside length (B) provides adequate grip and stability, while the 1/2"-13 UNC thread size ensures compatibility with standard fastening hardware for secure installation. This material choice provides excellent durability for static and dynamic load applications, common in plumbing, HVAC, and structural support systems.

🧊 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.

3MEst. 1902
USA🇺🇸
"Science applied to life."
Market Rank
🏆 Global Innovation Leader
Industry Approvals
🚀 Aviation & Medical Approved
Warranty & Support
🛡️ Premium Performance Guarantee
Green Manufacturing
🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
Industry Approvals
🚀 Formula 1 & Aerospace OEM
Warranty & Support
🛡️ 24/7 Application Support
Green Manufacturing
🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #1 Industrial Supply Standard
Industry Approvals
🚀 US Military Approved
Warranty & Support
🛡️ Lifetime Return Policy
Green Manufacturing
🌱 Sustainable Logistics
Certified:ISO 9001 Compliant

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:Yes

Installation Procedure

1. Position the U-bolt around the pipe, ensuring it is centered. 2. Place the U-bolt saddle against the mounting surface. 3. Thread the nuts onto the U-bolt legs and tighten evenly to secure the pipe.

Equivalent Standards (Cross-Reference)

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

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

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
Overtightening U-bolt nuts, which can deform the pipe or the U-bolt.Tighten nuts to the manufacturer's recommended torque specification or until snug and secure, avoiding excessive force.
Using the wrong size U-bolt for the pipe diameter.Always verify the pipe's nominal diameter and ensure the U-bolt's inside width (A) is appropriate for a secure fit.

Common Applications

  • Pipe hanging and support systems
  • Electrical conduit mounting
  • Structural steel attachments

⚠️ Engineering Warnings

  • Ensure proper torque is applied to avoid damage.
  • Use only appropriate grade nuts and washers for secure fastening.

Alternative Products to Consider

Premium U-Bolts equivalentHigher corrosion resistance (316 SS)
Economy U-Bolts optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Carbon Steel U-Bolt, 4" Pipe made from?

A: This Carbon Steel U-Bolt, 4" Pipe is manufactured from Carbon Steel.

Q: What are the main applications?

A: Pipe hanging and support systems, Electrical conduit mounting, Structural steel attachments.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.28"B2.81"C1-1/4"Thread: 1/2"-13 | Both Legs2 Hex Nuts Included

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.