This reference page is intended for engineers, designers, estimators, drafters, and fabricators checking Schedule 30 pipe 10 inch (DN250) data. Use the dimensional values below for preliminary layouts, material takeoffs, clearance reviews, support-load checks, and coordination with fittings or piping models.
Keep the distinction between nominal size and measured geometry in mind: NPS 10 and DN250 identify the nominal pipe size, while the outside diameter, inside diameter, and wall thickness describe the pipe geometry used in drawings and calculations.
Schedule 30 pipe 10 inch (DN250) is a standard steel pipe size commonly used in piping design, drafting, fabrication, estimation, and industrial layout work. This page provides the standard dimensions, wall thickness, inside diameter, and weight per meter for NPS 10 Schedule 30 pipe based on ASME B36.10.
For engineers, designers, estimators, and CAD users, quick access to accurate pipe data helps improve piping layout, support planning, weight checks, transport review, and fabrication coordination during project development.
10 Inch Schedule 30 Pipe Dimensions
- Nominal Pipe Size (NPS): 10 inch
- Diameter Nominal (DN): DN250
- Outside Diameter (OD): 273.1 mm
- Wall Thickness: 7.8 mm
- Inside Diameter (ID): 257.4 mm
- Pipe Weight: 51.01 kg/m
- Pipe Weight Including Water: 103.01 kg/m
- Standard: ASME B36.10
Schedule 30 Pipe 10 Inch Data Table
| NPS | DN | Outside Diameter (OD) | Wall Thickness | Inside Diameter (ID) | Weight |
|---|---|---|---|---|---|
| 10 inch | DN250 | 273.1 mm | 7.8 mm | 257.4 mm | 51.01 kg/m |
Understanding 10 Inch Schedule 30 Pipe
10 inch Schedule 30 pipe is a standard steel pipe size used as a reference in industrial piping layouts, utility systems, water transmission lines, process design studies, and CAD drafting. With an outside diameter of 273.1 mm and a wall thickness of 7.8 mm, this pipe size is suitable for medium-flow applications where designers need a balance between flow capacity and pipe wall strength.
What Does Schedule 30 Mean?
Schedule 30 refers to the wall thickness series of the pipe. For NPS 10, Schedule 30 gives a wall thickness of 7.8 mm. The schedule affects the inside diameter, total pipe weight, fabrication planning, and compatibility with supports, fittings, and structural loading requirements.
Why These Pipe Dimensions Matter
Accurate pipe dimension data is important for piping layouts, spool drawings, support design, structural load review, and material takeoff. Knowing that this pipe weighs 51.01 kg/m helps with transport estimates, lifting plans, and support loading. If the pipe is filled with water, the total weight increases to 103.01 kg/m, which is useful for operating load calculations and support checks.
Common Uses of DN250 Schedule 30 Pipe
DN250 Schedule 30 pipe may be referenced in industrial utility systems, water transfer lines, plant layout studies, process piping documentation, and engineering design work. It is also useful for piping designers, CAD users, estimators, and procurement teams who need standard steel pipe dimensions for piping systems.
Difference Between NPS 10 and DN250
NPS 10 is the inch-based nominal pipe size designation, while DN250 is the metric nominal diameter reference. Both refer to the same pipe size category on this page. The actual standard outside diameter for this size is 273.1 mm.
How to Use This Data
You can use this page to quickly check:
- pipe outside diameter for layout and clearance
- inside diameter for flow reference
- wall thickness for schedule comparison
- weight per meter for estimation and transport planning
- water-filled weight for support and structural load review
Quick Reference for Schedule 30 Pipe 10 Inch
- Pipe Size: 10 inch
- DN: DN250
- OD: 273.1 mm
- ID: 257.4 mm
- Wall Thickness: 7.8 mm
- Weight: 51.01 kg/m
- Weight Including Water: 103.01 kg/m
- Reference Standard: ASME B36.10
Related Pipe Size Pages
Conclusion
Schedule 30 Pipe 10 Inch (DN250) is an important steel pipe reference for piping design, drafting, estimation, and fabrication work. With its 273.1 mm outside diameter, 7.8 mm wall thickness, and 51.01 kg/m pipe weight, it provides useful dimensional data for engineers and designers who need fast and accurate pipe information.
Note: NPS = Nominal Pipe Size, DN = Diameter Nominal. Dimensions and weights shown here are based on ASME B36.10 steel pipe data.
How to Read This Pipe Reference
The most useful dimensions depend on the task. The outside diameter is the primary value for layout clearances, clamps, sleeves, supports, and equipment interfaces. The inside diameter is used as a flow-path reference and can affect hydraulic review. The wall thickness identifies the schedule entry and is relevant to fabrication, joining, corrosion allowance review, and weight.
The listed pipe weight is useful for estimating, handling, shipping, and empty-pipe support checks. The water-filled figure represents a different operating-load condition and should be considered separately from the empty-pipe condition when reviewing supports, anchors, guides, and structural members.
Drafting and Design Checks
- Use the listed outside diameter when checking physical clearance and modeling the pipe envelope.
- Use the inside diameter as a dimensional reference, not as a substitute for a complete hydraulic design.
- Confirm that fittings, flanges, valves, gaskets, and joining details are compatible with the selected pipe size and wall thickness.
- Use the listed weight condition that matches the stage of the project, such as empty, operating, or handling review.
- Verify material, pressure class, temperature limits, corrosion allowance, joining method, and project specifications separately; a schedule designation alone does not establish a complete design basis.
CAD and Reference Workflow
The downloadable DWG can support preliminary drafting and layout coordination. Before issuing a fabrication or construction drawing, check the model against the project specification, connection details, fitting dimensions, insulation or coating requirements, and the applicable design review.
For a quick size comparison, see the related Schedule 30 Pipe 8 Inch (DN200) and Schedule 30 Pipe 12 Inch (DN300) references.
Frequently Asked Questions
What is the outside diameter of 10 inch Schedule 30 pipe?
The listed outside diameter for NPS 10 Schedule 30 pipe is 273.1 mm. This is the key dimensional value for layout, clearance, and support coordination.
What is the wall thickness of Schedule 30 pipe in NPS 10?
The listed wall thickness is 7.8 mm. The schedule identifies the wall-thickness entry for this nominal pipe size.
Are NPS 10 and DN250 the same pipe size?
On this reference page, NPS 10 is the inch-based designation and DN250 is the metric nominal designation for the same pipe size category. Neither designation should be treated as the actual measured inside or outside diameter.
What is the listed weight of 10 inch Schedule 30 pipe?
The listed pipe weight is 51.01 kg/m. The page also provides a separate water-filled weight of 103.01 kg/m for operating-load reference.
Does Schedule 30 alone determine whether the pipe is suitable for service?
No. Schedule describes the wall-thickness series, but service suitability also depends on material, design pressure and temperature, corrosion allowance, joining details, applicable piping rules, and project requirements. Confirm those items through the responsible engineering review.