Skip to Content
800-262-2605 | 866-267-8335 Chat with us
Special discounts for local customers
Find Metal
Toggle Nav Bobco Metals
  • Steel
    • Hot Rolled Steel
      • Hot Rolled Rounds
      • Hot Rolled Squares
      • Hot Rolled Flat Bars
      • Hot Rolled Re-Inforcing Bars
      • Hot Rolled Angles
      • Hot Rolled Channels
      • Hot Rolled Sheets
      • Hot Rolled Plates
      • Hot Rolled Diamond Plate
      • Hot Rolled Square Tubes
      • Hot Rolled Rectangular Tubes
      • Hot Rolled Round Tubes
      • Hot Rolled Black Pipe
      • Hot Rolled I-Beams
      • Hot Rolled Expanded Metal
      Hot Rolled Steel
    • Cold Rolled Steel
      • Cold Rolled Rounds
      • Cold Rolled Squares
      • Cold Rolled Flat Bars
      • Cold Rolled Hexagons
      • Cold Rolled Sheets
      • Cold Rolled All Thread
      Cold Rolled Steel
    • Galvanized
      • Galvanized Sheets
      • Galvanized Square Tubes
      • Galvanized Pipes
      • Galvanized Fence Posts
      • Galvanized Steel Roofing and Sidings
      Galvanized
  • Stainless Steel
    • Type 304
      • Type 304 Round Tubes
      • Type 304 Square Tubes
      • Type 304 Rounds
      • Type 304 Plates
      • Type 304 Angles
      • Type 304 Flats
      • Type 304 Sheets
      • Type 304 Squares
      • Type 304 Pipe
      • Type 304 Rectangular Tubes
      Type 304
  • Aluminum
    • 3003 Aluminum
      • 3003 Aluminum Sheets
      • 3003 Aluminum Plates
      • 3003 Aluminum Diamond Plate
      3003 Aluminum
    • 5052 Aluminum
      • 5052 Aluminum Sheets
      5052 Aluminum
    • 6061 Aluminum
      • 6061 Aluminum Rounds
      • 6061 Aluminum Squares
      • 6061 Aluminum Flat Bars
      • 6061 Aluminum Sheets
      • 6061 Aluminum Plates
      • 6061 Aluminum Square Tubes
      • 6061 Aluminum Rectangular Tubes
      • 6061 Aluminum Round Tubes
      6061 Aluminum
    • 6063 Aluminum
      • 6063 Aluminum Angles
      • 6063 Aluminum Channels
      • 6063 Aluminum Square Tubes
      • 6063 Aluminum Pipe
      6063 Aluminum
  • Hardware
    • Gate & Fence Hardware
      • Door And Gate Closure
        • Hinges
          • Barrel Hinges
          • Butterfly Hinges
        • Locksets
          • Lockbox
          • Door Locks
          • Groove Wheels And Box
          • Slide Bolt
          • Gate Spring
          • Rubber Roller
          • Gate Chain
          • Steel Caps
          • Plastic Caps
          • Post Ball Cap
          • Razorwire
          • Cane Bolt
          • Gate Spring Roller
          • Steel Tubing Ring
        • Gate Operators
          • Eagle Gate Operator
          • Remotes
      Gate & Fence Hardware
    • Fasteners
      • Pan Head Screws
      • Hex Washer Head, Self Drilling Screw
      • Hex Lag Screw
      • One Way Screw
      • Sleeve Anchor
      • Wedge Anchor
      • Hex Washer Head
      Fasteners
    • Power Tools
      • Cutting Disk
      • Flap Disk
      • Grinding Disk
      • Drill Bits
        • Cobalt
        • Masonry
      Power Tools
    • Welding Machine And Supplies
      • Bobco Mini Welding Machine
      • Electrodes
        • Stainless Steel Electrodes
        • Aluminum Welding Electrodes
        • 6013 All Purpose Welding Rod
      • Welding Wires
        • Mig Wire
        • Flux Wire
      • Welding Helmets
      Welding Machine And Supplies
    • Paint And Cleaners
      • Spray Cans
        • Finish
        • Primer
      • Gallons
        • Finish
        • Primer
      • Spray Gun
      • Paint Thinner
      Paint And Cleaners
Search
Advanced Search
My Account
  • Sign In
  • Create an Account
My Cart items item
4 Tube Ring

4 Inches Tube Ring

In stock
SKU
HWOSORN4"RING
$1.69
Bulk Pricing:
  • Buy 20 or more $1.29 Save 24%
  • Buy 50 or more $1.09 Save 36%
  • Buy 100 or more $0.79 Save 53%
Be the first to review this product
Our 4-inch Tube Ring is a high-quality decorative component forged from industrial-grade Class 25-30 gray cast iron. Designed for durability and easy integration, it's ideal for ornamental fencing, gates, and architectural fabrication projects.

Add to Compare
Product Description
Reviews
Questions 0
More Information
Weight0.220000

4 Inches Tube Ring

The 4-inch Tube Ring is a versatile ornamental component designed for fabricators and contractors. Made from durable Class 25-30 gray cast iron, it provides a classic decorative element for handrails, fences, gates, and other architectural metalwork, ensuring both aesthetic appeal and structural integrity.

  • Class 25-30 Gray Cast Iron
  • 4 Inches Outer Diameter
  • Ornamental & Architectural Fabrication
  • Excellent for Steel Connections
Overview | Specifications | Applications | Finish Options | How to Measure | Order Checklist

Crafted from high-quality Class 25-30 gray cast iron, this 4-inch tube ring offers exceptional durability and a traditional aesthetic for architectural metalwork. This material grade ensures a strong, reliable component that is resistant to deformation and provides a solid base for welding and finishing. The ring is manufactured to precise industrial standards, resulting in consistent dimensions and a smooth surface ready for preparation, priming, and painting to match any project's design requirements. Its robust composition makes it suitable for both interior and exterior applications.

Primarily used in ornamental and decorative fabrication, the 4-inch tube ring serves as a key connecting or aesthetic element in custom metal projects. It is commonly integrated into the design of iron fences, entry gates, security doors, and handrail systems. Fabricators in the Los Angeles area utilize these industrial-grade tube rings for creating classic patterns, reinforcing joints, or as standalone decorative features. The 4-inch size is versatile enough for both large-scale commercial projects and detailed residential ironwork, providing a professional and timeless finish.

Specifications

  • Material: Class 25-30 Gray Cast Iron
  • Standards: Industrial Quality Manufacturing
  • Strength/Tensile: Conforms to Class 25-30 specifications
  • Dimensions: 4" Outer Diameter (Nominal)
  • Finish: Unfinished (Raw Iron)
  • Certifications: Material Test Reports (MTR) available upon request

Applications

  • Ornamental Fencing: Integrating into fence panels and posts for decorative patterns.
  • Gate Fabrication: Used as a central design element or reinforcement in custom iron gates.
  • Handrail & Balcony Systems: Connecting balusters or serving as a decorative accent in railing designs.
  • Architectural Metalwork: Incorporated into custom grilles, window guards, and furniture.

Target Users

This product is essential for metal fabricators, welding shops, MRO teams, and contractors specializing in custom ornamental ironwork for commercial and residential properties in the Los Angeles area.

Finish Options

This tube ring is supplied in a raw, unfinished state to allow for maximum customization. It is ready for surface preparation and can be finished with industrial-grade primers, DTM (Direct-to-Metal) paints, or powder coating to match project specifications and provide corrosion resistance.

How to Measure

To ensure compatibility, measure the outer diameter (OD) of the ring. For proper integration, confirm the ring's dimensions align with the tube, bar, or other components it will be welded or fitted to.

Example: Specify "4-inch Tube Ring, Cast Iron" when placing your order.

Order Checklist

  • Product name and required dimensions (e.g., 4 Inches Tube Ring)
  • Grade/material specification and quantity
  • Cutting instructions (if applicable)
  • Surface finish requirements (e.g., raw, primed)
  • Certifications required (Mill Test Report - MTR)
  • Special handling or delivery requirements

Quick Facts

Product
4 Inches Tube Ring
Material
Class 25-30 Gray Cast Iron
Standards
Industrial Quality Standards
Key Properties
Durable, weldable, ideal for decorative applications, ready for finishing.
Primary Applications
Ornamental Fencing, Gate Fabrication, Handrails
Location
Los Angeles warehouse - Same-day pickup available
Request a Quote Ask an Expert

Available Sizes

We stock tube rings in a variety of common sizes, including the 4-inch model. Other diameters may be available upon request to suit specific project needs.

Custom sizes and cutting services are available.

Contact for Sizing
Write Your Own Review
You're reviewing:4 Inches Tube Ring
Frequently Bought Together
  • 4 Inches Tube Ring
    $1.69
  • Hot Rolled Steel Square Tube - 1/2 Inch X 0.065
    Hot Rolled Steel Square Tube - 1/2 Inch X 0.065
    $7.71
  • Hot Rolled Steel Square Tube - 2" X 0.065
    Hot Rolled Steel Square Tube - 2 Inch X 0.065
    $18.01
  • Hot Rolled Steel Angle - 1-1/2 Inch X 1-1/2 Inch X 1/8 Inch
    Hot Rolled Steel Angle - 1-1/2 Inch X 1-1/2 Inch X 1/8 Inch
    $19.34
  • Hot Rolled Steel Angle - 2" X 2" X 1/8"
    Hot Rolled Steel Angle - 2 Inch X 2 Inch X 1/8 Inch
    $9.78
Total price
Customers Also Bought
  1. 3/4 Inch Square Plastic Cap
    3/4 Inch Square Plastic Cap
    $0.49
  2. 03/130 Cast Iron Finials - 1/2 (217B)
    03/130 Cast Iron Finials - 1/2 (217B)
    $1.38
Bobco Truck Delivery
30 miles radius
100% Full Support
We are glad to help at every step
Customer Security
is our first top priority
Carbon free
shipping available
Company Info
  • About Bobco Metals
  • Privacy Policy
  • Return Policy
  • Company Policy
  • Careers
Learn More
  • Terms of Service
  • CA Proposition 65
  • Downloads
  • Pay Offline
  • Blog
Support
  • Questions? We’d be happy to help.
  • Quick RFQ
  • Bobco Metals, LLC, Steel, Los Angeles, CA
Store
  • Find a store near your location.
Bobco Metals
2000 S. Alameda St.
Los Angeles, 90058
Directions Email Call
Email: sales@bobcometal.com
Phone: 866-26STEEL • 877-433-9699
Office Hours:
Mon–Fri: 7:30 AM – 4:30 PM (PST)
Sat: 7:30 AM – 12:00 NN (PST)
Closed on holidays
Sign up for latest offers
Get updates, promos, and stock alerts.
Newsletter
  • Privacy and Cookie Policy
  • Search Terms
  • Advanced Search
  • Orders and Returns
  • Contact Us
  • Quick RFQ
  • Blog
  • Site Map
Copyright © 2020 Bobco Metals. Since 1955. All rights reserved.

BOB BOBSON is waiting to hear from you!

Sign up for our newsletter to get great deals, the latest news about our company, and your favorite product.

Newsletter
Don't show anymore
Find Metal

Find Your Metal Quickly

Search or select your specifications to find the perfect metal product

Loading Metal Data...
⚠️
Selection Preview