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316 Stainless U-Bolt: 4" Pipe, 3.71" W x 2.77" L, 1/2"-13

Expert Overview

Engineered for superior corrosion resistance, this 316 Stainless Steel U-Bolt is ideal for securing 4" diameter pipes in demanding environments. Its robust construction ensures reliable support and longevity.

StandardASTM A106
Material316 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)3.71"
Inside Length ( B)2.77"
Thread Size1/2"-13

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this U-bolt is constructed from high-grade 316 stainless steel, renowned for its exceptional resistance to pitting and crevice corrosion, especially in chloride-rich environments. The 3.71" inside width (A) and 2.77" inside length (B) are engineered to precisely fit standard 4" nominal pipe. Features a durable 1/2"-13 UNC thread size for secure fastening. Ideal for marine, chemical processing, and food/beverage applications where material integrity is paramount.

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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
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"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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McMaster-CarrEst. 1901
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"Complete industrial supply."
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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 proper alignment with mounting surfaces. 2. Thread the nuts onto the U-bolt legs, initially by hand to ensure smooth engagement. 3. Tighten the nuts progressively and evenly using appropriate wrenches, alternating between each side to maintain uniform pressure and prevent pipe deformation.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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
Over-tightening the nuts, which can crush the pipe or deform the U-bolt.Tighten nuts to the manufacturer's recommended torque specification or until snug and secure, avoiding excessive force.
Using a U-bolt with incorrect dimensions for the pipe size or application.Verify the inside width and length of the U-bolt against the pipe's outer diameter and the required clearance before installation.

Common Applications

  • Marine pipe support
  • Chemical processing equipment
  • Food and beverage industry piping
  • Offshore structural components

⚠️ Engineering Warnings

  • Ensure compatibility of mating hardware (nuts, washers) with 316 stainless steel to prevent galvanic corrosion.
  • Regularly inspect for signs of wear or corrosion, especially in harsh environments, and replace as needed to maintain structural integrity.

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 316 Stainless Steel U-Bolt, 4" Pipe made from?

A: This 316 Stainless Steel U-Bolt, 4" Pipe is manufactured from 316 Stainless Steel.

Q: What are the main applications?

A: Marine pipe support, Chemical processing equipment, Food and beverage industry piping, Offshore structural components.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.71"B2.77"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.