This reference provides the listed dimensions, weight, and terminology for Schedule STD Pipe 3/8 Inch (DN10). Use it when reviewing piping layouts, material take-offs, procurement documents, support loads, and CAD details. The dimensional data below is the page’s authoritative local reference; related topics such as pipe schedules, NPS and DN sizing, pipe fittings, and flange dimensions can help provide broader project context.
For drafting and coordination work, compare the dimensional values with the connected fittings, valves, flanges, supports, and specified material before finalizing a design. A DWG resource is also provided at the end of the page for users preparing or checking piping drawings.
Schedule STD Pipe 3/8 Inch (DN10) is a steel pipe size commonly used in industrial and utility piping systems where standard dimensions, structural reliability, and dependable flow capacity are important. Based on the current page data under ANSI/ASME B36.10, this pipe size has an outside diameter of 17.1 mm, an inside diameter of 12.48 mm, a wall thickness of 2.31 mm, and a pipe weight of 0.84 kg/m.
3/8 Inch Schedule STD Pipe Dimensions
The following values are listed for NPS 3/8 Schedule STD pipe, which corresponds to DN10 in metric designation.
- Pipe Size: NPS 3/8 Inch
- DN Size: DN10
- Outside Diameter (OD): 17.1 mm
- Inside Diameter (ID): 12.48 mm
- Wall Thickness: 2.31 mm
- Pipe Weight: 0.84 kg/m
- Pipe Weight Including Water: 0.96 kg/m
- Reference Standard: ANSI/ASME B36.10
Schedule STD Pipe 3/8 Inch (DN10) Data Table
| Pipe Schedule | NPS | DN | OD (mm) | ID (mm) | Wall Thickness (mm) | Weight (kg/m) |
|---|---|---|---|---|---|---|
| STD | 3/8 Inch | 10 | 17.1 | 12.48 | 2.31 | 0.84 |
What Is Schedule STD Pipe?
Schedule STD means Standard Weight in the IPS pipe system and is commonly referenced for carbon steel and steel pipe dimensions under ASME B36.10. In practical piping work, Schedule STD is used as a standard wall thickness designation for many nominal pipe sizes. It helps engineers, fabricators, and buyers confirm dimensional compatibility, estimate weight, and coordinate with fittings, flanges, supports, and structural loads.
Common Uses of 3/8 Inch Schedule STD Pipe
3/8 inch Schedule STD pipe is commonly used in industrial and utility piping systems where good flow capacity and standard steel pipe dimensions are required. This size is often selected for water, cooling, transmission, and plant services where reliable dimensional data is important for design, fabrication, and construction.
- Water transmission lines for plant and utility service
- Cooling water systems in industrial facilities
- Stormwater and drainage piping in infrastructure projects
- Industrial utility piping for bulk fluid transport
- Pipeline headers and manifolds in process plants
- Pump suction and discharge lines where standard pipe dimensions are needed
- Municipal and public works projects requiring steel pipe sizes
- Replacement and upgrade projects where standard pipe dimensions are required
In practical engineering work, this pipe size may be reviewed when checking flow capacity, support loading, transport weight, handling requirements, and installation planning. Final pipe selection should always be verified against project pressure, temperature, fluid type, corrosion allowance, and material specifications.
Why OD, ID, Thickness, and Weight Matter
Exact OD, ID, wall thickness, and weight values are important for support design, material take-off, transport planning, lifting studies, welding preparation, and installation work. For a pipe size such as 3/8 inch DN10, accurate weight data is useful for support design, material planning, and installation review. Inside diameter is also important for flow calculations and hydraulic capacity review.
NPS 3/8 and DN10 Explained
NPS means nominal pipe size in inch units, while DN means diameter nominal in metric units. The current page identifies this pipe as NPS 3/8 and DN10, which is the standard naming format widely used in piping drawings, specifications, and procurement documents.
Conclusion
Schedule STD Pipe 3/8 Inch (DN10) is listed on the current page with 17.1 mm OD, 12.48 mm ID, 2.31 mm wall thickness, and 0.84 kg/m weight. It is a useful steel pipe reference for engineers, designers, and buyers who need standard dimensional and weight data for piping systems and project coordination.
How to Use This Pipe Reference
Start with the nominal designation, then review the outside diameter, inside diameter, wall thickness, and pipe weight together. The nominal size identifies the pipe designation used in documents, while the listed dimensions describe the physical section needed for layout, connection, clearance, and quantity checks.
The outside diameter is especially useful when coordinating clamps, supports, sleeves, penetrations, and fitting connections. The inside diameter supports flow and hydraulic reviews. The wall thickness is used when checking fabrication details and compatibility with the specified pipe standard. The listed pipe weight supports estimating, handling, support-load review, and material take-offs.
Drafting and Procurement Checks
- Confirm that the drawing designation matches both NPS 3/8 and DN10.
- Use the listed outside diameter when checking connection and support geometry.
- Use the listed inside diameter only for the applicable flow or clearance review.
- Check the wall thickness against the project specification and fabrication requirements.
- Coordinate the pipe with the selected fittings, flanges, valves, gaskets, and welding details.
- Review whether the dry pipe weight or the listed water-filled weight is relevant to the load case.
These checks create useful links between this page and related reference content on pipe dimensions, schedule designations, steel pipe weights, fitting dimensions, and flange selection. They also help separate dimensional compatibility from the separate engineering review of pressure, temperature, corrosion, fluid service, supports, and material grade.
Using the DWG Resource
The downloadable DWG can support layout, drafting, and coordination tasks. Treat the drawing as a reference aid and verify its dimensions against the current page data and project documents before using it for fabrication, procurement, or construction. The selected pipe, fittings, connection details, and design conditions must remain consistent across the full piping arrangement.
Frequently Asked Questions
What does Schedule STD mean?
Schedule STD means Standard Weight in the IPS pipe system. It identifies a standard wall designation used with the nominal pipe size and should be reviewed together with the listed dimensions and applicable project requirements.
Is 3/8 inch the measured outside diameter?
No. 3/8 inch is the NPS designation. The page separately lists the outside diameter, inside diameter, and wall thickness used for dimensional coordination.
What is the relationship between NPS 3/8 and DN10?
NPS is the nominal pipe size designation in inch units, while DN is the metric nominal designation. This page identifies the same pipe reference as NPS 3/8 and DN10.
Why are both dry weight and water-included weight shown?
Dry pipe weight supports material, transport, and handling estimates. The listed water-included weight can support load reviews where the pipe is considered filled. The applicable load case should be confirmed for the project.
Can this page be used to select a pipe for a pressure system?
This page provides dimensional and weight reference data. Pressure-system selection also requires review of design pressure, temperature, fluid, corrosion allowance, material specification, joining method, applicable code requirements, and project engineering approval.
What should be checked before using the DWG file?
Confirm that the DWG matches the current page data, connected components, drawing units, project specifications, and required fabrication details. Do not rely on a reference drawing alone for final construction or fabrication decisions.