Use this page as a quick reference when checking 10 inch Schedule 40S pipe dimensions for layout, drafting, fabrication, procurement, or preliminary support work. The page identifies the corresponding DN designation and brings the key dimensional and weight information together in one place.
For a complete piping check, compare these pipe dimensions with the selected flanges, butt-weld fittings, supports, valves, and project material specification. The downloadable DWG file can also help drafters begin a CAD layout, subject to project-specific verification before issue for construction.
Schedule 40S Pipe 10 Inch (DN250) is a stainless steel pipe size commonly used in industrial piping systems that require corrosion resistance, dependable wall thickness, and reliable flow capacity. This pipe size is often used in process plants, utility systems, water treatment projects, and stainless steel fabrication work.
This dimension data is based on ANSI/ASME B36.19, which is the standard commonly used for stainless steel pipe dimensions.
10 Inch Schedule 40S Pipe Dimensions
- Pipe Schedule: 40S
- Nominal Pipe Size: 10 Inch
- DN Size: DN250
- Outside Diameter (OD): 273.1 mm
- Inside Diameter (ID): 254.56 mm
- Wall Thickness: 9.27 mm
- Pipe Weight: 60.31 kg/m
- Pipe Weight Including Water: 111.17 kg/m
- Standard: ANSI/ASME B36.19
Schedule 40S Pipe 10 Inch Dimension Table
| Pipe Schedule | NPS (Inch) | DN (mm) | OD (mm) | ID (mm) | Wall Thickness (mm) | Weight (kg/m) |
|---|---|---|---|---|---|---|
| 40S | 10 | 250 | 273.1 | 254.56 | 9.27 | 60.31 |
What Is 10 Inch Schedule 40S Pipe?
A 10 inch Schedule 40S pipe is a stainless steel pipe with a nominal size of 10 inches and a wall thickness defined by the 40S schedule. For this size, the outside diameter is fixed at 273.1 mm, while the inside diameter is 254.56 mm based on a wall thickness of 9.27 mm.
The letter S in 40S is commonly used for stainless steel pipe dimensions under ASME B36.19. This designation is widely used by engineers, fabricators, and procurement teams when selecting stainless steel piping for industrial service.
Where Is Schedule 40S Pipe 10 Inch Used?
This pipe size is commonly used in systems that need both good flow capacity and the corrosion resistance of stainless steel. Typical applications include:
- Process piping in industrial plants
- Water treatment and utility systems
- Food and beverage piping lines
- Chemical service piping
- Stainless steel header systems
Why Pipe Dimensions Matter
Accurate 10 inch Schedule 40S pipe dimensions are important for piping layout, fabrication, support design, transport planning, and material takeoff. Engineers and designers often check OD, ID, wall thickness, and weight before selecting flanges, fittings, supports, and installation methods.
The outside diameter is important for matching clamps, flanges, and pipe supports. The inside diameter helps estimate flow area and system capacity. The wall thickness is important for specification compliance and mechanical strength, while the pipe weight per meter is useful for structural loading, support design, and handling calculations.
10 Inch Schedule 40S Pipe Weight Information
The nominal weight of this pipe size is 60.31 kg/m. When filled with water, the combined weight becomes approximately 111.17 kg/m. This information is useful for lifting plans, support design, and pipe rack load calculations in industrial projects.
Difference Between NPS 10 and DN250
NPS 10 is the inch-based nominal pipe size, while DN250 is the metric designation used in international drawings and specifications. Both terms refer to the same nominal pipe size, and users may search by either inch or DN format depending on project standards.
Common Search Terms for This Pipe Size
Users may also search for this pipe using related keywords such as 10 inch Schedule 40S pipe dimensions, DN250 Schedule 40S pipe dimensions, 10 inch stainless steel pipe weight, DN250 pipe dimensions, or DN250 sch 40s pipe dimensions.
Conclusion
Schedule 40S Pipe 10 Inch (DN250) has an outside diameter of 273.1 mm, an inside diameter of 254.56 mm, a wall thickness of 9.27 mm, and a weight of 60.31 kg/m. It is a useful stainless steel pipe reference size for design, drafting, fabrication, and procurement work.
This page provides a quick reference for engineers, drafters, fabricators, and buyers who need reliable 10 inch Schedule 40S pipe dimensions and DN250 pipe dimensions in one place.
How to Use This Pipe Reference
The dimension list and table are useful for different stages of engineering work. Use the outside diameter when checking physical interfaces such as clamps, supports, sleeves, and fitting connections. Use the inside diameter when reviewing flow-area assumptions or comparing available bore sizes. Wall thickness and nominal weight are useful for material takeoffs, handling plans, and preliminary load checks.
Check the Nominal Size Before Detailing
NPS 10 and DN250 are two naming systems for the same nominal pipe size. This distinction matters when drawings, supplier quotations, flange schedules, or equipment documents use different conventions. Confirm the nominal size, schedule, stainless steel material grade, end preparation, and applicable project specification before purchasing or fabricating pipe.
Use the Weight Data Carefully
The listed pipe weight is a linear mass used for estimating material quantities and preliminary support or transport loads. The water-filled value represents the listed pipe-and-water condition; actual operating loads may also include insulation, lining, contents, valves, fittings, thermal effects, and other attached items. A qualified engineer should verify final support and structural calculations.
Related PipeSTD References
This page can be used alongside related references for stainless steel pipe schedules, pipe dimensions and schedules, pipe fittings, flanges, pipe supports, and DWG pipe details. These related topics help connect the nominal pipe data to the components and drafting decisions used in a complete piping system.
Frequently Asked Questions
What is the DN designation for 10 inch Schedule 40S pipe?
The metric designation is DN250. NPS 10 and DN250 identify the same nominal pipe size in inch-based and metric terminology.
What standard is used for these stainless steel pipe dimensions?
The source data on this page is identified with ANSI/ASME B36.19, the standard commonly used for stainless steel pipe dimensions.
What are the listed dimensions of 10 inch Schedule 40S pipe?
The listed outside diameter is 273.1 mm, inside diameter is 254.56 mm, and wall thickness is 9.27 mm. Refer to the table for the complete dimensional and weight reference.
What is the listed weight of this pipe?
The listed pipe weight is 60.31 kg/m. The listed pipe weight including water is 111.17 kg/m.
Is the DWG file ready for construction?
The downloadable DWG is a CAD reference resource. Review dimensions, material requirements, connection details, tolerances, and project-specific design criteria before using any drawing for fabrication or construction.