Service Metal
3000# Forged Steel Square Head Threaded Plugs
- SKU:
- 3MSHP
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
Description
3000# Forged Steel Square Head Threaded Plugs
3000# Forged Steel Square Head Threaded Plugs are designed to close and seal compatible female-threaded openings in high-pressure piping systems.
Manufactured from normalized forged steel conforming to ASME SA105N, these plugs feature male NPT threads conforming to ASME B1.20.1 and a square head for convenient wrench engagement during installation and removal. Their compact forged construction makes them well suited for industrial, commercial, mechanical, oil and gas, power generation, and process piping applications.
Product Highlights
- 3000# forged steel square head threaded plug
- Designed to close female-threaded pipe or fitting openings
- Male NPT threaded connection
- Square head for wrench installation and removal
- Compact forged steel construction
- Forged steel fitting material conforms to ASME SA105N
- Material is normalized
- Forged steel fitting dimensions conform to ASME B16.11
- NPT threads conform to ASME B1.20.1
- Forged steel socket weld inserts conform to MSS-SP-79
- Forged steel unions conform to MSS-SP-83
- Forged steel outlet fittings conform to MSS-SP-97
- Manufacturing facility is ISO certified
- Product specification sheet available
- Certificate of Conformance available
Technical Specifications
| Product Type | Square Head Threaded Plug |
|---|---|
| Pressure Class | 3000# |
| Material | Forged Steel |
| Connection Type | Male NPT Threaded |
| Head Style | Square Head |
| Primary Function | Close and Seal Female-Threaded Openings |
| Material Standard | ASME SA105N |
| Heat Treatment | Normalized |
| Dimensional Standard | ASME B16.11 |
| Thread Standard | ASME B1.20.1 |
| Socket Weld Insert Standard | MSS-SP-79 |
| Forged Steel Union Standard | MSS-SP-83 |
| Outlet Fitting Standard | MSS-SP-97 |
| Manufacturing | ISO-Certified Facility |
| Documentation | Specification Sheet and Certificate of Conformance Available |
Square Head Plug Configuration
Male NPT Threads
The external tapered threads install into a compatible female NPT opening to close the connection.
Square Head
The square head provides wrench flats for controlled tightening and removal during installation or maintenance.
Forged Body
The compact forged steel body provides the material construction specified for this 3000# fitting series.
Construction Details
These 3000# square head threaded plugs are manufactured from normalized forged steel conforming to ASME SA105N. Forged fitting dimensions conform to ASME B16.11, while the male NPT threads conform to ASME B1.20.1.
The square-head configuration provides convenient wrench engagement, allowing the plug to be installed into or removed from compatible threaded fittings and openings when system access is required.
Why Choose a Square Head Threaded Plug?
Threaded Pipe Closure
- Closes compatible female-threaded openings
- Male NPT connection
- Removable for future maintenance or system access
- Compact fitting configuration
- Useful for unused ports and threaded openings
Forged Steel Construction
- Manufactured from forged steel
- Material conforms to ASME SA105N
- Normalized material condition
- Dimensions conform to ASME B16.11
- Manufactured in an ISO-certified facility
Square Head Plug vs. Threaded Cap
Square Head Plug
A threaded plug has external male threads and installs into a female-threaded opening. The square head provides wrench engagement for installation and removal.
Threaded Cap
A threaded cap typically has internal female threads and installs over a male-threaded pipe end.
Typical Applications
Industrial & Mechanical Piping
- Industrial process piping
- Mechanical piping systems
- Plant utility piping
- Power generation piping
- Fabricated piping assemblies
Threaded Closures
- Unused fitting outlets
- Drain and access openings
- Equipment connections
- Oil and gas piping systems
- Compatible high-pressure threaded systems
Applicable Forged Steel Standards
ASME SA105N & B16.11
Forged steel material conforms to ASME SA105N in the normalized condition, and fitting dimensions conform to ASME B16.11.
ASME B1.20.1
NPT threads on forged steel fittings conform to ASME B1.20.1.
MSS Standards
Forged steel socket weld inserts conform to MSS-SP-79, unions conform to MSS-SP-83, and outlet fittings conform to MSS-SP-97.
Ask Willy: Need Pipe Size Help?
Use our common pipe diameters and wall thickness chart to confirm sizing before ordering 3000# forged steel square head threaded plugs. You can also review the product specification sheet and Certificate of Conformance below.
Product Documentation
Product Specification Sheet
Review the specification sheet for dimensional and product-specific information on the forged steel square head threaded plug.
Pipe Size Chart
Use the common pipe diameters and wall thickness chart to help confirm compatible threaded pipe sizing before ordering.
Certificate of Conformance
Certificate of Conformance documentation is available through the linked PDF.
Frequently Asked Questions
What is a 3000# forged steel square head threaded plug?
It is a forged steel closure fitting with male NPT threads designed to install into a compatible female-threaded opening.
What is the purpose of the square head?
The square head provides wrench flats for tightening or removing the plug during installation and maintenance.
What type of connection does this plug use?
This fitting uses a male NPT threaded connection.
How is a threaded plug different from a threaded cap?
A plug has external male threads and installs inside a female-threaded opening, while a cap generally has internal female threads and installs over a male-threaded pipe end.
What material standard applies?
The supplied product information states that forged steel fitting material conforms to ASME SA105N.
Is the material normalized?
Yes. The supplied product information specifies normalized forged steel material.
What dimensional standard applies?
Forged steel fitting dimensions conform to ASME B16.11.
What standard applies to the NPT threads?
NPT threads conform to ASME B1.20.1.
Is the manufacturing facility ISO certified?
Yes. The supplied product information states that the manufacturing facility is ISO certified.
What should I verify before ordering?
Confirm the nominal thread size, 3000# class, male NPT configuration, material requirements, and applicable piping-system specifications before ordering.
Important Ordering & Installation Notes
- Confirm the required nominal NPT size before ordering.
- This listing is for a 3000# forged steel square head threaded plug.
- Confirm that a male-threaded plug is appropriate for the intended female-threaded opening.
- Forged steel fitting material conforms to ASME SA105N and is normalized.
- Forged steel fitting dimensions conform to ASME B16.11.
- NPT threads conform to ASME B1.20.1.
- Verify compatibility with the adjoining threaded fitting or equipment connection.
- Use appropriate thread sealant or PTFE tape where permitted by the applicable piping code, project specification, and service.
- Use the square head for wrench engagement and avoid excessive tightening.
- Confirm applicable pressure, temperature, material, and project requirements before installation.
- Review the product specification sheet before installation.
- Certificate of Conformance documentation is available from the link above.
