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

4" Carbon Steel U-Bolt | 1/2"-13 Thread | Industrial Fastener

Expert Overview

Engineered for robust pipe support, this 4" Carbon Steel U-Bolt features a 1/2"-13 UNC thread size. Its durable construction ensures reliable performance in demanding industrial applications where secure fastening is paramount.

StandardISO 9001
MaterialCarbon Steel
FinishAnodized
GradeN/A
Inside Width ( A)1.40"
Inside Length ( B)2.11"
Thread Size1/2"-13

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this Carbon Steel U-Bolt is meticulously designed for securing 4" nominal pipe sizes. With an Inside Width (A) of 1.40" and an Inside Length (B) of 2.11", it provides a precise and secure fit. Manufactured from high-grade carbon steel, it offers excellent tensile strength and durability, ensuring reliable load-bearing capacity. The 1/2"-13 UNC thread size allows for secure fastening with standard nuts and washers. Ideal for applications ranging from plumbing and HVAC systems to structural supports and machinery mounting, where vibration resistance and long-term stability are critical requirements.

🧊 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 the pipe rests securely within the curved section. 2. Place the included washers and nuts onto the threaded ends of the U-bolt. 3. Tighten the nuts evenly and progressively, alternating between each side, to achieve the specified torque or a secure, firm fit. Avoid over-tightening.

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using an incorrect U-bolt size for the pipe diameter, leading to loose or damaged pipe.Always verify the pipe's nominal size and match it with the U-bolt's inside dimensions (width and length) to ensure a snug and supportive fit.
Uneven tightening of the nuts, causing stress concentration and potential failure.Tighten nuts gradually and alternately on each leg of the U-bolt to distribute the clamping force evenly.

Common Applications

  • Piping systems (e.g., water, gas, steam)
  • Conduit and cable tray support
  • Structural framing and bracing
  • Machinery mounting and isolation

⚠️ Engineering Warnings

  • Ensure the U-bolt is rated for the intended load and environmental conditions.
  • Verify that all nuts and washers are present and correctly installed before tightening.

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: Piping systems (e.g., water, gas, steam), Conduit and cable tray support, Structural framing and bracing, Machinery mounting and isolation.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.40"B2.11"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.