This reference provides the listed dimensions and weight for 48 inch Schedule STD pipe, also identified as NPS 48 and DN1200. Use the page data when coordinating pipe layouts, fittings, flanges, supports, material take-offs, and installation planning.
The dimensional table is the primary reference for this page. The surrounding guidance explains how to interpret the entries without treating a nominal size or schedule designation as a complete project specification.
Schedule STD Pipe 48 Inch (DN1200) is a steel pipe size commonly used in large industrial and utility piping systems where standard dimensions, structural reliability, and high flow capacity are important. Based on the current page data under ANSI/ASME B36.10, this pipe size has an outside diameter of 1219 mm, an inside diameter of 1199.94 mm, a wall thickness of 9.53 mm, and a pipe weight of 284.25 kg/m.
48 Inch Schedule STD Pipe Dimensions
The following values are listed for NPS 48 Schedule STD pipe, which corresponds to DN1200 in metric designation.
- Pipe Size: NPS 48 Inch
- DN Size: DN1200
- Outside Diameter (OD): 1219 mm
- Inside Diameter (ID): 1199.94 mm
- Wall Thickness: 9.53 mm
- Pipe Weight: 284.25 kg/m
- Pipe Weight Including Water: 1414.53 kg/m
- Reference Standard: ANSI/ASME B36.10
Schedule STD Pipe 48 Inch (DN1200) Data Table
| Pipe Schedule | NPS | DN | OD (mm) | ID (mm) | Wall Thickness (mm) | Weight (kg/m) |
|---|---|---|---|---|---|---|
| STD | 48 Inch | 1200 | 1219 | 1199.94 | 9.53 | 284.25 |
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 48 Inch Schedule STD Pipe
48 inch Schedule STD pipe is commonly used in very large piping systems where high flow capacity and standard steel pipe dimensions are required. This size is often selected for utility, transmission, and industrial services where large-volume flow and reliable dimensional data are important for design and construction.
- Large water transmission lines for plant and utility service
- Cooling water systems in power plants and industrial facilities
- Stormwater and drainage piping in infrastructure projects
- Industrial utility piping for bulk fluid transport
- Pipeline headers and manifolds in large process plants
- Pump suction and discharge lines where large diameter piping is needed
- Municipal and public works projects requiring large 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 as large as 48 inch DN1200, accurate weight data is especially useful for crane selection, support design, and logistics planning. Inside diameter is also important for flow calculations and hydraulic capacity review.
NPS 48 and DN1200 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 48 and DN1200, which is the standard naming format widely used in piping drawings, specifications, and procurement documents.
Conclusion
Schedule STD Pipe 48 Inch (DN1200) is listed on the current page with 1219 mm OD, 1199.94 mm ID, 9.53 mm wall thickness, and 284.25 kg/m weight. It is a useful steel pipe reference for engineers, designers, and buyers who need standard dimensional and weight data for large piping systems and project coordination.
How to Use This 48 Inch Pipe Reference
Start with the listed outside diameter when checking physical clearance, fit-up, supports, and connections to other components. The inside diameter is the relevant dimensional reference for many flow-area and hydraulic reviews, while wall thickness helps identify the section shown in the table and supports fabrication and welding coordination.
The listed pipe weight is useful for estimating handling, transportation, support reactions, and material quantities. The separate water-inclusive value should be treated as a page-specific reference condition rather than a universal operating load. Actual contents, lining, insulation, coatings, attachments, and support spacing may change the loads used for design.
Related Piping Reference Topics
For broader design and drafting work, connect this page with internal guides covering pipe schedules, NPS and DN designations, pipe fittings, flange dimensions, pipe supports, and CAD or DWG pipe references. These related resources help users move from a dimensional lookup to coordinated layout, procurement, and detailing work.
Engineering Review Notes
- Confirm that the selected pipe matches the project material specification and service requirements.
- Review pressure, temperature, corrosion allowance, joining method, and applicable project codes before procurement or fabrication.
- Coordinate the pipe dimensions with mating fittings, flanges, valves, supports, and expansion or movement requirements.
- Use the listed dimensions for reference and have final design loads, flow performance, and structural details verified by the responsible engineer.
Frequently Asked Questions
What size is Schedule STD 48 inch pipe?
The page identifies it as NPS 48 and DN1200. NPS is the nominal pipe size designation in inch-based usage, while DN is the metric nominal designation.
What are the listed dimensions for this pipe?
The source data lists an outside diameter of 1219 mm, an inside diameter of 1199.94 mm, and a wall thickness of 9.53 mm.
What is the listed weight of 48 inch Schedule STD pipe?
The listed pipe weight is 284.25 kg/m. The page also provides a separate pipe-weight-including-water value of 1414.53 kg/m; users should confirm the applicable load condition for their project.
What does Schedule STD mean?
Schedule STD means Standard Weight in the IPS pipe system. It identifies a standard wall-thickness designation for the pipe size shown and helps coordinate dimensions, fittings, flanges, supports, and purchasing information.
Does Schedule STD alone determine whether the pipe is suitable?
No. Schedule STD identifies dimensional information, but final suitability also depends on the material specification, service fluid, pressure, temperature, corrosion allowance, joining requirements, and applicable project criteria.