Use this page as a quick reference for 8 inch Schedule 5 pipe dimensions when checking piping layouts, material takeoffs, fabrication drawings, or procurement documents. The source table identifies the NPS and DN designations alongside the outside diameter, inside diameter, wall thickness, and weight values.
For related design work, pair this reference with the site’s guides to pipe schedules, pipe fittings, flange dimensions, and pipe support planning. Those references help connect straight-pipe dimensions with the components and coordination decisions used in a complete piping system.
Schedule 5 Pipe 8 Inch (DN200) is a steel pipe size commonly used in industrial piping systems that require good flow capacity with a relatively light wall thickness. This pipe size is often used in utility piping, water systems, low-pressure industrial service, and general steel pipe fabrication work.
This dimension data is based on ANSI/ASME B36.10, which is the standard commonly used for carbon steel pipe dimensions.
8 Inch Schedule 5 Pipe Dimensions
- Pipe Schedule: 5
- Nominal Pipe Size: 8 Inch
- DN Size: DN200
- Outside Diameter (OD): 219.1 mm
- Inside Diameter (ID): 213.56 mm
- Wall Thickness: 2.77 mm
- Pipe Weight: 14.78 kg/m
- Pipe Weight Including Water: 50.58 kg/m
- Standard: ANSI/ASME B36.10
Schedule 5 Pipe 8 Inch Dimension Table
| Pipe Schedule | NPS (Inch) | DN (mm) | OD (mm) | ID (mm) | Wall Thickness (mm) | Weight (kg/m) |
|---|---|---|---|---|---|---|
| 5 | 8 | 200 | 219.1 | 213.56 | 2.77 | 14.78 |
What Is 8 Inch Schedule 5 Pipe?
A 8 inch Schedule 5 pipe is a steel pipe with a nominal size of 8 inches and a relatively thin wall thickness compared with heavier schedules. For this size, the outside diameter is fixed at 219.1 mm, while the inside diameter is 213.56 mm based on a wall thickness of 2.77 mm.
Schedule 5 pipe is often selected when a project needs good flow capacity, reduced pipe weight, and easier handling compared with thicker wall pipes. It is commonly referenced in steel piping design, drafting, fabrication, and material takeoff work.
Where Is Schedule 5 Pipe 8 Inch Used?
This pipe size is commonly used in applications that need good flow capacity with relatively light wall thickness. Typical uses include:
- Water transfer and distribution systems
- Utility and low-pressure industrial piping
- Process and service lines
- Pipe spool fabrication and layout work
- General steel piping projects
Why Pipe Dimensions Matter
Accurate 8 inch Schedule 5 pipe dimensions are important for piping layout, fabrication, transport planning, support design, and installation work. Engineers and designers often check OD, ID, wall thickness, and weight before selecting supports, fittings, welding details, and handling methods.
The outside diameter is important for matching supports, clamps, and pipe accessories. The inside diameter helps estimate internal flow area and system capacity. The wall thickness affects mechanical strength and specification compliance, while the pipe weight per meter is useful for lifting plans, transport, and structural loading calculations.
8 Inch Schedule 5 Pipe Weight Information
The nominal weight of this pipe size is 14.78 kg/m. When filled with water, the combined weight becomes approximately 50.58 kg/m. This information is useful for pipe support design, structural coordination, and lifting preparation in piping systems.
Difference Between NPS 8 and DN200
NPS 8 is the inch-based nominal pipe size, while DN200 is the metric designation used in international drawings and specifications. Both terms refer to the same nominal pipe size, and users may search by either inch size or DN format depending on project standards.
Common Search Terms for This Pipe Size
Users may also search for this pipe using related keywords such as 8 inch Schedule 5 pipe dimensions, DN200 Schedule 5 pipe dimensions, 8 inch pipe weight per meter, DN200 pipe dimensions, or DN200 sch 5 pipe dimensions.
Conclusion
Schedule 5 Pipe 8 Inch (DN200) has an outside diameter of 219.1 mm, an inside diameter of 213.56 mm, a wall thickness of 2.77 mm, and a weight of 14.78 kg/m. It is a useful steel pipe reference size for design, drafting, fabrication, and procurement work.
This page provides a quick reference for engineers, drafters, fabricators, and buyers who need reliable 8 inch Schedule 5 pipe dimensions and DN200 pipe dimensions in one place.
How to Use This Pipe Reference
Start with the nominal designation shown in the table, then use the outside diameter when coordinating clamps, supports, sleeves, insulation clearances, and fitting connections. Use the inside diameter for preliminary flow-area checks, while recognizing that actual hydraulic performance also depends on the piping system, fluid, fittings, valves, and operating conditions.
The listed wall thickness is a dimensional property, not a standalone design approval. Whether this pipe is appropriate for a service depends on the project specification, material requirements, joining method, corrosion allowance, temperature, pressure, loads, and applicable engineering checks. Do not treat a schedule designation alone as a pressure rating.
Drafting and Fabrication Considerations
- Use the outside diameter when coordinating pipe supports, clamps, penetrations, and connection details.
- Use the inside diameter and wall thickness when checking clearances, bore continuity, and fabrication details.
- Use the pipe weight for preliminary handling, support coordination, and material takeoff work; verify project assumptions before final structural calculations.
- Check the relevant fitting, flange, valve, and gasket references separately because connected components may have their own dimensional requirements.
The downloadable DWG reference can support drafting and layout workflows. Confirm units, scale, layer information, and project-specific dimensions before using any CAD file for fabrication or construction.
Useful related references include the site’s pipe dimension and schedule tables, NPS-to-DN terminology guide, steel pipe fitting dimensions, and pipe flange reference pages. Linking these topics from this page gives readers a practical path from nominal pipe selection to complete piping coordination.
Frequently Asked Questions
Is NPS 8 the same nominal size as DN200?
Yes. NPS 8 is the inch-based designation and DN200 is the metric designation used for the same nominal pipe size. The actual outside and inside dimensions should be taken from the applicable table rather than inferred from the nominal name.
Does Schedule 5 by itself define the pipe’s allowable pressure?
No. A schedule identifies a dimensional wall category for a pipe size. Pressure suitability also depends on material, manufacturing specification, temperature, corrosion or erosion allowances, joining details, and the governing design requirements.
Which dimension is most important for support and clamp coordination?
The outside diameter is the primary dimension for coordinating supports, clamps, sleeves, and other external accessories. The project should also account for coatings, insulation, clearances, and the dimensions of connected components.
Why is a water-filled weight listed separately?
The water-filled value combines the pipe’s listed weight with the contents. It is useful for preliminary support, lifting, and structural coordination, but final calculations should use the project fluid and confirmed operating conditions.
Can the DWG file be used directly for fabrication?
The DWG is a reference resource for drafting and layout. Review its units, scale, revision status, and project requirements before relying on it for fabrication or construction.