Use this reference to verify the dimensional basis of Schedule 160 pipe 10 inch (DN250) before preparing piping layouts, material takeoffs, fabrication documents, or CAD details. The table distinguishes nominal size from measured outside and inside diameters, while the weight data supports handling and support-related planning.
For related work, compare this entry with a pipe schedule chart, an NPS-to-DN reference, and pages covering pipe fittings dimensions or flange dimensions. These references help confirm that connected components and drafting callouts use compatible size terminology.
Schedule 160 pipe 10 inch (DN250) is an extra heavy-wall steel pipe size commonly used in piping design, fabrication, drafting, and engineering estimation work. This page provides the standard dimensions, wall thickness, inside diameter, and weight per meter for NPS 10 Schedule 160 pipe based on ASME B36.10.
10 Inch Schedule 160 Pipe Dimensions
- Nominal Pipe Size (NPS): 10 inch
- Diameter Nominal (DN): DN250
- Outside Diameter (OD): 273.1 mm
- Wall Thickness: 28.58 mm
- Inside Diameter (ID): 215.84 mm
- Pipe Weight: 172.27 kg/m
- Pipe Weight Filled With Water: 208.84 kg/m
- Reference Standard: ASME B36.10
- Pipe Type: Steel Pipe
Schedule 160 Pipe 10 Inch Data Table
| Pipe Size | DN | OD (mm) | Wall Thickness (mm) | ID (mm) | Weight (kg/m) |
|---|---|---|---|---|---|
| 10 inch | 250 | 273.1 | 28.58 | 215.84 | 172.27 |
What Does Schedule 160 Mean?
Schedule 160 refers to an extra heavy wall thickness series used for steel pipe under ASME B36.10. For the same nominal pipe size, the outside diameter remains fixed while the wall thickness increases according to the schedule. A much thicker wall reduces the inside diameter and significantly increases pipe weight.
Typical Uses of 10 Inch Schedule 160 Pipe
NPS 10 Schedule 160 pipe is commonly referenced for very heavy-duty industrial piping systems where extremely high wall thickness is required. It may be used in process piping, plant utility systems, structural loading checks, fabrication work, and engineering applications where pipe strength and wall thickness are more critical than maximum flow area.
Why Pipe Weight Matters
Pipe weight per meter is essential for transport planning, crane lifting studies, support design, structural loading, fabrication estimates, and installation planning. For a 10 inch Schedule 160 pipe, the extra heavy wall thickness results in much higher installed weight than lighter schedules, so accurate weight data is important for engineering and construction work.
10 Inch Schedule 160 Pipe Calculation Notes
The listed weight is based on standard steel pipe dimensions using the outside diameter and wall thickness of the pipe. Actual product weight may vary slightly depending on manufacturing tolerance, material specification, and supplier standard.
Frequently Asked Questions
What is the outside diameter of 10 inch Schedule 160 pipe?
The outside diameter is 273.1 mm.
What is the wall thickness of DN250 Schedule 160 pipe?
The wall thickness is 28.58 mm.
What is the inside diameter of NPS 10 Schedule 160 pipe?
The inside diameter is 215.84 mm.
How much does 10 inch Schedule 160 pipe weigh?
The approximate weight is 172.27 kg/m.
Which standard covers this pipe size?
This dimension data is based on ASME B36.10 for steel pipe.
Conclusion
Schedule 160 pipe 10 inch (DN250) has an outside diameter of 273.1 mm, wall thickness of 28.58 mm, inside diameter of 215.84 mm, and a weight of 172.27 kg/m. It is a useful reference for piping design, fabrication, estimating, and heavy-duty industrial engineering work.
How to Read the Schedule 160 Pipe Data
NPS 10 and DN250 identify the same nominal pipe size in different sizing systems. Nominal size is a designation rather than a direct statement of the pipe’s measured diameter. For fabrication and drawing work, use the listed outside diameter, wall thickness, and inside diameter when a physical dimension is required.
Outside diameter, wall thickness, and inside diameter
The outside diameter is the reference dimension commonly used when laying out the external envelope of a pipe or coordinating supports and clearances. Wall thickness describes the material between the outside and inside surfaces. The inside diameter is especially relevant when reviewing flow space, internal clearances, or connections that depend on the bore.
What the schedule does—and does not—tell you
Schedule 160 identifies a heavy-wall dimensional series for steel pipe. It does not, by itself, establish a complete pressure rating or confirm suitability for a particular service. Design verification also depends on the material specification, temperature, fluid, joining method, applicable design code, corrosion allowance, manufacturing requirements, and project conditions.
Using the weight data in project work
The listed pipe weight can support estimating, transportation planning, lifting reviews, pipe-rack loading checks, support coordination, and installation planning. The filled-with-water figure is a useful reference for a water-filled condition, but the actual operating load may also include fittings, valves, insulation, contents, supports, and other attached items.
Drafting and procurement checks
- Use the nominal size and schedule consistently in specifications, bills of material, and drawing notes.
- Check the listed outside diameter when coordinating clamps, supports, sleeves, and clearances.
- Use the inside diameter when reviewing bore-dependent details or flow-related calculations.
- Confirm material, end preparation, length, tolerance, and inspection requirements from the project specification and supplier documentation.
- When downloading the DWG, verify the drawing units, scale, layer conventions, and project drafting requirements before incorporating it into a design package.
Useful related internal references include steel pipe dimensions, pipe weight calculations, pipe support design basics, flange and fitting dimensions, and DWG piping details.
Additional Questions About 10 Inch Schedule 160 Pipe
Is Schedule 160 a pressure rating?
No. Schedule 160 is a pipe wall-thickness designation. A pressure assessment requires the applicable material, design code, temperature, service conditions, manufacturing basis, and other project inputs.
Why can the inside diameter differ between pipe schedules?
For a given nominal pipe size, the outside diameter may remain the same while wall thickness changes. A thicker wall therefore leaves less internal bore, so the inside diameter must be checked rather than inferred from the nominal size.
Can the listed weight be used as the complete installed pipe load?
No. The listed pipe weight is a reference for the pipe itself. Installed load assessments should also consider contents, fittings, valves, insulation, supports, corrosion allowances where applicable, and the governing project requirements.
What should be checked before using the downloadable DWG?
Confirm the drawing units, dimensional references, orientation, layer structure, and revision status. The DWG should be coordinated with the authoritative dimension table and the project specification before fabrication or construction use.