sch 10 stainless steel pipe dimensions
Jun 04, 2025
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What Does SCH 10 Mean?
SCH 10 refers to the pipe wall thickness. It is thinner than Schedule 40 and 80, making it more cost-effective and easier to fabricate-especially when weight is a concern. SCH 10 is often denoted as SCH 10S when referring to stainless steel specifically.
Standard SCH 10 Stainless Steel Pipe Dimensions
| NPS (Nominal Pipe Size) | Outside Diameter (OD) | Wall Thickness | Wall Thickness | Approx. Weight |
|---|---|---|---|---|
| (inches) | (mm) | (kg/m) | ||
| 1/2" | 21.3 mm | 0.065" | 1.65 mm | 0.63 |
| 3/4" | 26.7 mm | 0.065" | 1.65 mm | 0.85 |
| 1" | 33.4 mm | 0.065" | 1.65 mm | 1.10 |
| 1-1/2" | 48.3 mm | 0.065" | 1.65 mm | 1.62 |
| 2" | 60.3 mm | 0.065" | 1.65 mm | 2.16 |
| 3" | 88.9 mm | 0.083" | 2.11 mm | 4.17 |
| 4" | 114.3 mm | 0.083" | 2.11 mm | 5.44 |
| 6" | 168.3 mm | 0.109" | 2.77 mm | 11.45 |
| 8" | 219.1 mm | 0.109" | 2.77 mm | 15.31 |
| 10" | 273.1 mm | 0.134" | 3.40 mm | 22.20 |
| 12" | 323.9 mm | 0.156" | 3.96 mm | 29.95 |
SCH 10 vs. SCH 40: What's the Difference?
| Feature | SCH 10 | SCH 40 |
|---|---|---|
| Wall Thickness | Thinner | Thicker |
| Pressure Rating | Lower | Higher |
| Weight | Lighter | Heavier |
| Applications | Low-pressure, decorative | Medium/high-pressure lines |
| Weldability | Easier | Slightly harder |
Is SCH 10 stainless pipe suitable for pressure applications?
It is suitable for low to medium pressure applications. For high-pressure systems, SCH 40 or SCH 80 is recommended.
What is the wall thickness of SCH 10S pipe?
It depends on the NPS size. For example, 2" SCH 10S has a wall thickness of 1.65 mm (0.065").
Can SCH 10 be used for welding?
Yes. Stainless SCH 10 pipes (especially 304/316) have excellent weldability and are commonly used in TIG/MIG welding.
What grades are available in SCH 10?
Most commonly AISI 304, 304L, 316, and 316L stainless steel.
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