Home > U-Bolts > 304 Stainless Steel U-Bolt, 4" Pipe

304 Stainless Steel U-Bolt for 4" Pipe | 1/2"-13 Thread

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt ensures superior corrosion resistance and long-term structural integrity for 4" nominal pipe sizes.

StandardDIN 933
Material304 Stainless Steel
FinishPassivated
GradeN/A
Inside Width ( A)1.63"
Inside Length ( B)7.82"
Thread Size1/2"-13

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this U-bolt is constructed from high-grade 304 stainless steel, offering excellent resistance to corrosion and oxidation in diverse environments. The internal dimensions are precisely machined to 1.63" (A) inside width and 7.82" (B) inside length, ensuring a secure fit for 4" nominal pipe applications. Featuring a 1/2"-13 UNC coarse thread pattern, it facilitates straightforward and reliable fastening with compatible nuts and washers. This specification guarantees consistent performance and durability under demanding industrial and marine conditions.

🧊 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 4" nominal pipe. 2. Secure the U-bolt by threading the included nuts onto the bolt ends, ensuring even tightening. 3. Verify the pipe is stable and the U-bolt is firmly seated against the mounting surface.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°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 / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening nuts, potentially deforming the pipe or U-bolt.Tighten nuts evenly to a snug fit, then apply an additional 1/4 to 1/2 turn, or until secure. Avoid excessive force.
Using the wrong size U-bolt for the pipe diameter.Always confirm the nominal pipe size and cross-reference with the U-bolt's internal dimensions (A and B) before installation.

Common Applications

  • Plumbing and pipe support systems
  • Marine hardware and vessel construction
  • Chemical processing and industrial environments

⚠️ Engineering Warnings

  • Ensure compatibility of mating hardware (nuts and washers) with 304 stainless steel to prevent galvanic corrosion.
  • Inspect U-bolt regularly for signs of wear or damage, especially in corrosive atmospheres.

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

A: This 304 Stainless Steel U-Bolt, 4" Pipe is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Plumbing and pipe support systems, Marine hardware and vessel construction, Chemical processing and industrial environments.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.63"B7.82"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.