This reference is intended for engineers, designers, fabricators, and drafters checking 22 inch Schedule 10S stainless steel pipe data. Use the dimensional summary and table together when comparing nominal pipe size, outside diameter, wall thickness, inside diameter, and calculated mass. The downloadable DWG can also support preliminary layout and drafting work, subject to project-specific verification.
Schedule 10S pipe 22 inch (DN550) is a large-diameter stainless steel pipe size commonly used in piping design, fabrication, drafting, and engineering reference work. This page provides the standard dimensions, wall thickness, inside diameter, and weight per meter for NPS 22 Schedule 10S pipe based on ASME B36.19.
22 Inch Schedule 10S Pipe Dimensions
- Nominal Pipe Size (NPS): 22 inch
- Diameter Nominal (DN): DN550
- Outside Diameter (OD): 559 mm
- Wall Thickness: 5.54 mm
- Inside Diameter (ID): 547.92 mm
- Pipe Weight: 75.62 kg/m
- Pipe Weight Filled With Water: 311.28 kg/m
- Reference Standard: ASME B36.19
- Pipe Type: Stainless Steel Pipe
Schedule 10S Pipe 22 Inch Data Table
| Pipe Size | DN | OD (mm) | Wall Thickness (mm) | ID (mm) | Weight (kg/m) |
|---|---|---|---|---|---|
| 22 inch | 550 | 559 | 5.54 | 547.92 | 75.62 |
What Does Schedule 10S Mean?
Schedule 10S is a stainless steel pipe schedule covered by ASME B36.19. For the same nominal pipe size, the outside diameter remains fixed while the wall thickness changes with the schedule. The āSā designation is commonly used for stainless steel pipe schedules.
Typical Uses of 22 Inch Schedule 10S Pipe
NPS 22 Schedule 10S pipe is commonly referenced in stainless steel piping systems used in industrial plants, utility lines, water-related systems, food and process facilities, and fabrication work where corrosion resistance and dimensional accuracy are important.
Why Pipe Weight Matters
Pipe weight per meter is useful for transport planning, lifting studies, support design, structural loading, fabrication estimates, and installation planning. In large-diameter stainless steel piping systems, total line weight can significantly affect handling and support requirements.
22 Inch Schedule 10S Pipe Calculation Notes
The listed weight is based on standard stainless steel pipe dimensions using the outside diameter and wall thickness of the pipe. Actual product weight may vary slightly depending on manufacturing tolerance, material grade, and supplier standard.
Frequently Asked Questions
What is the outside diameter of 22 inch Schedule 10S pipe?
The outside diameter is 559 mm.
What is the wall thickness of DN550 Schedule 10S pipe?
The wall thickness is 5.54 mm.
What is the inside diameter of NPS 22 Schedule 10S pipe?
The inside diameter is 547.92 mm.
How much does 22 inch Schedule 10S pipe weigh?
The approximate weight is 75.62 kg/m.
Which standard covers this pipe size?
This dimension data is based on ASME B36.19 for stainless steel pipe.
Conclusion
Schedule 10S pipe 22 inch (DN550) has an outside diameter of 559 mm, wall thickness of 5.54 mm, inside diameter of 547.92 mm, and a weight of 75.62 kg/m. It is a useful reference for piping design, drafting, estimating, and stainless steel fabrication work.
How to Use This Schedule 10S Pipe Reference
NPS 22 and DN550 are nominal designations rather than a direct statement of the pipe’s measured outside diameter. For fabrication, modeling, and quantity work, use the listed outside diameter and wall thickness rather than relying on the nominal label alone.
The schedule identifies a wall-thickness series for stainless steel pipe. It should not be treated as a substitute for material grade, corrosion evaluation, pressure-design calculations, or the purchase specification. Confirm the applicable material, manufacturing requirements, tolerances, end preparation, and inspection requirements against the project documents and supplier data.
The listed mass per meter is useful for preliminary pipe support design, lifting and handling reviews, shipping estimates, and structural load checks. A complete line-item estimate may also need to account for fittings, flanges, valves, insulation, contents, supports, and other attached components.
Related Pipe Design References
Readers comparing this size with other wall series may also benefit from the site’s references for stainless steel pipe schedules, NPS and DN terminology, and pipe dimensions and weight. Related pages for pipe fittings, flanges, and pipe support terminology can help connect straight-pipe dimensions with a complete piping model.
For drafting workflows, the accompanying DWG file provides a useful starting point for layout coordination. Always verify the drawing units, dimensional assumptions, connection details, and revision status before using downloaded CAD content in issued documents.
Practical Questions About This Reference
Is the nominal size the same as the outside diameter?
No. The nominal size is a standardized designation used to identify the pipe size. Use the dimension table for the applicable outside diameter and other physical dimensions.
Can the listed pipe weight be used as a final support load?
It is a reference value for the pipe itself. Final support and structural checks should include the actual pipe length, contents, fittings, valves, insulation, support arrangement, operating conditions, and project requirements.
Does Schedule 10S specify the stainless steel grade?
No. The schedule describes the dimensional wall-thickness series. The material grade and other procurement requirements must be confirmed separately from the project specification or product documentation.
What should I verify before using the DWG file?
Check units, scale, layer information, dimensional consistency, connection interfaces, and compatibility with the current piping model. Treat the file as a drafting reference unless it has been reviewed and approved for the intended project use.