Use this page as a quick reference for 32 inch Schedule 10 pipe dimensions when reviewing piping layouts, material takeoffs, fabrication documents, and CAD drawings. The nominal size is also identified as NPS 32 and DN800.
The table below distinguishes nominal size from the measured pipe dimensions that matter during drafting and coordination. For related reference work, compare this entry with the site’s pipe schedule, pipe dimensions, pipe weight, and ASME B36.10 pipe resources.
Schedule 10 pipe 32 inch (DN800) is a large-diameter steel pipe size commonly used as a reference in piping design, fabrication, drafting, and estimation work. This page provides the standard dimensions, wall thickness, inside diameter, and weight per meter for NPS 32 Schedule 10 pipe based on ASME B36.10.
32 Inch Schedule 10 Pipe Dimensions
- Nominal Pipe Size (NPS): 32 inch
- Diameter Nominal (DN): DN800
- Outside Diameter (OD): 813 mm
- Wall Thickness: 7.92 mm
- Inside Diameter (ID): 797.16 mm
- Pipe Weight: 157.25 kg/m
- Pipe Weight Filled With Water: 656.08 kg/m
- Reference Standard: ASME B36.10
Schedule 10 Pipe 32 Inch Data Table
| Pipe Size | DN | OD (mm) | Wall Thickness (mm) | ID (mm) | Weight (kg/m) |
|---|---|---|---|---|---|
| 32 inch | 800 | 813 | 7.92 | 797.16 | 157.25 |
What Does Schedule 10 Mean?
Schedule 10 refers to the wall thickness series of the pipe. For the same nominal pipe size, the outside diameter stays fixed while the wall thickness changes depending on the schedule. A thicker wall usually increases pipe weight and reduces the inside diameter.
Typical Uses of 32 Inch Schedule 10 Pipe
NPS 32 Schedule 10 pipe is commonly used in systems that require large flow capacity with relatively lighter wall thickness than heavier schedules. It may be used in water transfer lines, low-pressure process piping, utility systems, drainage-related applications, and general plant layout or fabrication reference work.
Why Pipe Weight Matters
Pipe weight per meter is important for transport planning, support design, fabrication estimates, structural loading, and lifting calculations. In large pipe sizes, total installed weight can significantly affect support spacing, handling methods, and installation cost.
32 Inch Schedule 10 Pipe Calculation Notes
The listed weight is based on standard steel pipe dimension data 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 32 inch Schedule 10 pipe?
The outside diameter is 813 mm.
What is the wall thickness of DN800 Schedule 10 pipe?
The wall thickness is 7.92 mm.
What is the inside diameter of NPS 32 Schedule 10 pipe?
The inside diameter is 797.16 mm.
How much does 32 inch Schedule 10 pipe weigh?
The approximate weight is 157.25 kg/m.
Which standard covers this pipe size?
This dimension data is based on ASME B36.10 for welded and seamless wrought steel pipe.
Conclusion
Schedule 10 pipe 32 inch (DN800) has an outside diameter of 813 mm, wall thickness of 7.92 mm, inside diameter of 797.16 mm, and a weight of 157.25 kg/m. It is a useful reference for piping design, drafting, estimating, and fabrication work.
How to Read the 32 Inch Schedule 10 Data
NPS 32 is the nominal pipe size designation used in inch-based piping references, while DN800 is the corresponding metric designation. These labels identify the pipe size family; they are not the same as the outside or inside diameter.
The outside diameter is especially important for layout, pipe supports, clamps, sleeves, fittings, and connection details. The wall thickness is used with the outside diameter to establish the listed inside diameter. Because Schedule 10 identifies a wall-thickness series, the schedule should be read together with the nominal pipe size rather than treated as a standalone diameter designation.
Using the Data in Design and Drafting Work
For a piping model or general arrangement drawing, the outside diameter helps coordinate clearances and interfaces, while the inside diameter is useful when reviewing flow passages and internal access. The listed weight per meter supports preliminary material estimates, handling reviews, support studies, and load documentation. The filled-with-water value can be useful when considering operating or test conditions, but the responsible engineer should define the applicable design cases.
Before procurement or fabrication, confirm the material specification, manufacturing requirements, dimensional tolerances, end preparation, and project notes. Dimension data alone does not establish allowable pressure, corrosion allowance, temperature capability, or suitability for a particular service. Use the applicable project specification and engineering checks for those decisions.
Related Pipe Reference Topics
- Pipe schedules: compare how schedule designations relate to wall thickness for a given nominal size.
- Pipe fittings and flanges: check connection and interface dimensions when developing a piping assembly.
- Pipe support design: use line size and weight information as inputs to a verified support review.
- CAD and DWG resources: use the downloadable drawing with project-specific modeling and drafting checks.
Additional Questions About This Reference
Are NPS 32 and DN800 the same designation?
They are the inch-based and metric nominal designations shown for this pipe size. The nominal designations should not be substituted for the listed outside diameter or inside diameter.
Does Schedule 10 determine the pipe material grade?
No. Schedule 10 describes the wall-thickness series. Material grade, manufacturing requirements, and service limitations must be confirmed separately from the applicable project and product specifications.
Can the listed weight be used as the final installed load?
It is a reference weight per meter. Final installed loading may also require consideration of pipe length, contents, insulation, valves, fittings, supports, testing conditions, and project-specific assumptions.
Why should the DWG be checked before use?
A drawing resource can support layout and drafting work, but users should verify units, layer conventions, connection details, and coordination requirements before incorporating it into a project deliverable.