Service Metal
Carbon Steel Weld 45 Elbow
- SKU:
- S45
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
Description
Carbon Steel Weld 45° Elbow
Carbon Steel Weld 45° Elbows are designed to change the direction of a piping system by 45 degrees while maintaining a strong, permanent welded connection.
Manufactured from durable carbon steel, these butt weld elbows are suitable for industrial, commercial, mechanical, structural, and process piping applications. Available in Standard, Schedule 160, Extra Heavy, and Double Extra Heavy options, they provide dependable strength and weldability across a wide range of piping systems.
Product Highlights
- Carbon steel 45° butt weld elbow
- Changes piping direction by 45°
- Beveled ends for easier weld preparation
- Provides a permanent welded connection
- Suitable for water, gas, oil, and steam piping systems
- Available in Standard, Schedule 160, Extra Heavy, and Double Extra Heavy options
- Meets ASTM A234 and ASME B16.9 standards
- Seamless butt weld fittings conform to ASTM A/SA234 WPB through 24"
- Weld fitting dimensions conform to ASME/ANSI B16.9, B16.11, and B16.28 through 24"
- Weld fitting dimensions larger than 24" conform to MSS-SP-48
- Carbon content not to exceed 0.25% maximum
- Manufacturing facilities are ISO certified
- Mill Test Reports available with every order
Technical Specifications
| Product Type | 45° Weld Elbow |
|---|---|
| Material | Carbon Steel |
| Connection Type | Butt Weld |
| Elbow Angle | 45° |
| End Preparation | Beveled Ends |
| Primary Function | Directional Change |
| Typical Services | Water, Gas, Oil, Steam |
| Available Wall Options | Standard, Schedule 160, Extra Heavy, Double Extra Heavy |
| Material Specification | ASTM A/SA234 WPB through 24" |
| Dimensional Standards | ASME/ANSI B16.9, B16.11, and B16.28 through 24" |
| Dimensions Over 24" | MSS-SP-48 |
| Maximum Carbon Content | 0.25% |
| Manufacturing | ISO-Certified Facilities |
| Material Documentation | Mill Test Reports Available with Every Order |
45° Elbow Configuration
45° Direction Change
The elbow redirects the piping system by 45 degrees for a more gradual directional change than a 90-degree elbow.
Butt Weld Ends
Both ends are designed to weld directly to compatible carbon steel pipe or piping components.
Beveled End Preparation
Beveled ends help prepare the fitting for proper weld fit-up and installation.
Construction Details
Carbon steel weld 45° elbows are designed for installation between compatible butt weld pipe and piping components. Welding both ends into the system creates a permanent directional connection without threaded or mechanical joints.
The 45-degree angle provides a gradual change in direction and can be used independently or in combination with other fittings to route piping around equipment, structures, and other obstructions.
Why Choose a 45° Weld Elbow?
Gradual Directional Change
- Changes pipe direction by 45°
- Provides a smoother turn than a 90° elbow
- Useful for offset piping layouts
- Supports gradual routing around equipment and structures
- Can be combined with additional elbows for custom piping geometry
Permanent Welded Connection
- Designed for compatible butt weld piping
- No threaded connection required
- Suitable for industrial and mechanical piping systems
- Available in multiple wall thickness options
- Supports fabricated piping assemblies
Typical Applications
Industrial & Mechanical Piping
- Industrial process piping
- Mechanical piping systems
- Plant utility piping
- Equipment connections
- Fabricated piping assemblies
Common Piping Services
- Water piping
- Gas piping
- Oil piping
- Steam piping
- Commercial mechanical systems
Wall Thickness Options
Standard & Extra Heavy
Standard and Extra Heavy elbows are available for compatible piping systems requiring conventional or heavier-duty wall construction.
Schedule 160 & Double Extra Heavy
Schedule 160 and Double Extra Heavy options are available for compatible applications requiring substantially heavier wall construction.
Ask Willy: Need Pipe Size Help?
Use our common pipe diameters and wall thickness chart to confirm sizing and wall thickness before ordering carbon steel weld 45° elbows. You can also review the weld elbow dimensional sheet below.
Standards & Documentation
ASTM Material Standard
Seamless butt weld fittings conform to ASTM A/SA234 WPB through 24".
Dimensional Standards
Weld fitting dimensions conform to ASME/ANSI B16.9, B16.11, and B16.28 through 24". Dimensions larger than 24" conform to MSS-SP-48.
Material Traceability
Mill Test Reports are available with every order, providing supporting material documentation for applicable project requirements.
Need More Carbon Steel Weld Fittings?
Browse our complete selection of carbon steel weld fittings, including 45° elbows, 90° elbows, return bends, tees, laterals, reducers, caps, and other butt weld fittings.
Frequently Asked Questions
What is a carbon steel weld 45-degree elbow?
A 45° weld elbow is a butt weld fitting designed to change the direction of a piping system by 45 degrees.
How is a 45-degree elbow different from a 90-degree elbow?
A 45° elbow provides a more gradual directional change, while a 90° elbow creates a sharper right-angle turn.
What type of connection does this fitting use?
This fitting uses butt weld connections and is welded to compatible carbon steel pipe or piping components.
Are the ends beveled?
Yes. The supplied product information states that the elbows have beveled ends for easier welding.
What piping services are these elbows suitable for?
The supplied product information lists water, gas, oil, and steam piping systems.
What wall thickness options are available?
The supplied product information lists Standard, Schedule 160, Extra Heavy, and Double Extra Heavy options.
What material specification applies?
Seamless butt weld fittings conform to ASTM A/SA234 WPB through 24".
What dimensional standards apply?
The supplied information states that weld fitting dimensions conform to ASME/ANSI B16.9, B16.11, and B16.28 through 24", with fittings larger than 24" conforming to MSS-SP-48.
Are Mill Test Reports available?
Yes. Mill Test Reports are available with every order according to the supplied product information.
What should I verify before ordering?
Confirm the nominal pipe size, required wall thickness, material requirements, and applicable piping-system specifications before ordering.
Important Ordering & Installation Notes
- Confirm the required nominal pipe size before ordering.
- Confirm the required wall thickness: Standard, Schedule 160, Extra Heavy, or Double Extra Heavy.
- This fitting uses butt weld connections.
- The fitting changes piping direction by 45°.
- Beveled ends are provided for weld preparation.
- Verify carbon steel compatibility with the intended piping service.
- Confirm applicable pressure, temperature, dimensional, and project requirements.
- Use qualified welding procedures and personnel as required by the applicable piping code or project specification.
- Inspect fitting ends and adjoining pipe before fit-up and welding.
- Confirm proper alignment before completing the welded connections.
- Mill Test Reports are available with every order.
- Refer to the dimensional PDF for fitting-specific measurements before fabrication.
