ASC
150# Cast 316 Stainless Threaded Weld Spud 316
- SKU:
- S3316WS
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
- Note:
- This Spud has a PILOT - Picture is wrong
Description
150# Cast 316 Stainless Threaded Weld Spud
ASC / SCI 150# Cast 316 Stainless Threaded Weld Spuds provide a compact transition from a welded connection point to a female threaded outlet in compatible stainless steel piping and fabrication applications.
Manufactured from cast 316 stainless steel, the S3616WS weld spud combines a weld-end attachment with an NPT threaded connection for industrial process piping, equipment fabrication, tanks, vessels, and other compatible stainless steel systems.
Product Highlights
- ASC / SCI heavy-pattern fitting
- Figure S3616WS weld spud
- Cast 316 stainless steel
- 150# fitting configuration
- Female NPT threaded outlet
- Weld-end attachment
Technical Specifications
| Product Type | Cast Stainless Steel Threaded Weld Spud |
|---|---|
| Brand | ASC / SCI |
| Figure | S3616WS |
| Material | 316 Stainless Steel |
| Casting Grade | ASTM A351 ACI Grade CF8M |
| Fitting Class | 150# |
| Configuration | Threaded Weld Spud |
| Thread Type | NPT |
| Thread Standard | ASME B1.20.1 |
| Construction | Cast Stainless Steel |
Construction Details
The SCI S3616WS is a heavy-pattern 150# threaded weld spud manufactured from cast 316 stainless steel. The casting conforms to ASTM A351 ACI Grade CF8M.
The threaded opening uses NPT threads conforming to ASME B1.20.1, providing compatibility with properly sized male NPT threaded pipe, nipples, valves, or other components.
The weld-end portion allows the spud to become a permanent part of a compatible stainless steel fabrication while providing a convenient threaded connection point.
Weld Spud Design & Typical Applications
Connection Design
- Female NPT outlet
- Weld-end attachment
- Cast 316 stainless body
- Compact connection point
- Permanent welded installation
Typical Applications
- Industrial process piping
- Stainless steel fabrication
- Tank and vessel connections
- Equipment connections
- General industrial service
Installation & Selection Considerations
- Confirm the required thread size.
- Verify 316 stainless construction.
- Confirm NPT compatibility.
- Use proper welding procedures.
- Check system service requirements.

Use the supplied SCI documents to review heavy-pattern 150# stainless fitting information along with adjoining pipe diameter and wall-thickness references.
Need Help Selecting a 316 Stainless Threaded Weld Spud?
Need help confirming material, thread requirements, weld connection, or compatibility with your stainless steel piping system? The GetPipe.com Team can help.
Frequently Asked Questions
What is the SCI figure for this threaded weld spud?
This 150# cast 316 stainless steel threaded weld spud is identified as Figure S3616WS.
What material is the weld spud?
The fitting is manufactured from cast 316 stainless steel.
What casting grade applies to this fitting?
The 316 stainless steel casting conforms to ASTM A351 ACI Grade CF8M.
What type of thread does the weld spud use?
The threaded connection uses NPT threads conforming to ASME B1.20.1.
What is a threaded weld spud used for?
It provides a welded connection point with a female threaded outlet for attaching a compatible threaded component.
Where can a weld spud be installed?
It can be used in compatible stainless steel piping, equipment, tank, vessel, and fabricated system connections.
Is 150# the same as a universal 150 PSI rating?
No. The 150# designation identifies the fitting family or class and should not be treated as a universal 150 PSI system pressure rating.
What should I confirm before ordering?
Confirm the required thread size, 316 stainless material, NPT connection, weld requirements, and compatibility with the intended system.
Important Ordering & Installation Notes
- Confirm Figure S3616WS.
- Verify the required thread size.
- Check NPT thread compatibility.
- Follow proper welding procedures.
- Confirm system compatibility.