12 Inch Schedule 40 Pipe Dimensions
NPS 12 Schedule 40 steel pipe dimensions, including outside diameter, wall thickness, inside diameter, DN size, and weight.
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Pipe Dimensions
| Property | Imperial | Metric |
|---|---|---|
| NPS | 12 | NPS 12 |
| DN | 300 | DN 300 |
| Schedule | Schedule 40 | Schedule 40 |
| Outside Diameter | 12.75 in | 323.85 mm |
| Wall Thickness | 0.406 in | 10.31 mm |
| Inside Diameter | 11.938 in | 303.23 mm |
| Weight | 53.57 lb/ft | 79.72 kg/m |
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Quick Facts
- NPS: 12
- DN: 300
- Schedule: 40
- Outside diameter: 12.75 in (323.85 mm)
- Wall thickness: 0.406 in (10.31 mm)
- Inside diameter: 11.938 in (303.23 mm)
- Weight: 53.57 lb/ft
About NPS 12 Schedule 40
NPS 12 Schedule 40 pipe has a nominal pipe size of 12 inches and corresponds to DN 300. The outside diameter is standardized, while wall thickness varies by schedule.
PipeLookup presents dimensional reference data for quick lookup. Inside diameter is derived from outside diameter minus twice the wall thickness.
FAQ
What is the OD of 12 inch Schedule 40 pipe?
The outside diameter is 12.75 inches (323.85 mm).
What is the wall thickness?
The nominal wall thickness is 0.406 inches (10.31 mm).
What is the inside diameter?
The calculated inside diameter is approximately 11.938 inches (303.23 mm).
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