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

Expert Overview

This heavy-duty carbon steel U-bolt is engineered for 4-inch pipe applications requiring robust and secure fastening. Its precise dimensions and strong material ensure reliable support in demanding industrial environments.

StandardASME B18
MaterialCarbon Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)3.45"
Inside Length ( B)2.13"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this U-bolt is forged from high-strength carbon steel, offering superior tensile strength and corrosion resistance for long-term structural integrity. With an inside width (A) of 3.45 inches and an inside length (B) of 2.13 inches, it is precisely sized for secure clamping of 4-inch nominal pipes. The 1/2"-13 UNC thread size ensures compatibility with standard nuts and washers, allowing for secure and adjustable installation. Ideal for HVAC, plumbing, and structural support systems where vibration and load bearing are critical factors.

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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."
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LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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🚀 Formula 1 & Aerospace OEM
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Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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🏆 #1 Industrial Supply Standard
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🚀 US Military Approved
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🌱 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 spans the pipe's diameter. 2. Place the provided or compatible flat washer and nut onto each threaded leg of the U-bolt. 3. Tighten the nuts evenly and progressively until the U-bolt firmly secures the pipe, but avoid over-tightening which could deform the pipe or U-bolt.

Equivalent Standards (Cross-Reference)

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

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 U-bolts with incorrect dimensions for the pipe size.Always verify the nominal pipe size and select a U-bolt with matching inside width and length specifications.
Over-tightening the nuts, leading to potential material fatigue or pipe deformation.Tighten nuts to a snug fit and then an additional quarter to half turn, or consult torque specifications if provided for the application.
Not using washers, which can concentrate stress and damage the pipe or mounting surface.Always use appropriate flat washers under the nuts to distribute the clamping force evenly.

Common Applications

  • Structural pipe support in manufacturing facilities
  • Securing conduit and cable trays
  • Plumbing and HVAC pipe clamping

⚠️ Engineering Warnings

  • Ensure the U-bolt material is compatible with the environmental conditions and any potential corrosive agents.
  • Always use appropriate safety equipment, including eye protection, during installation.

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: Structural pipe support in manufacturing facilities, Securing conduit and cable trays, Plumbing and HVAC pipe clamping.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.45"B2.13"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.