1 inch Pipe Schedule — ASME B36.10M
1 inch (DN 25) to ASME B36.10M: OD 33.4 mm; Sch 10 2.77 mm; Sch 30 2.90 mm; STD 3.38 mm; Sch 40 3.38 mm.
Key to dimensions
- OD
- Outside diameter
- t
- Nominal wall thickness for the schedule
- ID
- Inside diameter = OD − 2t
- kg/m
- Plain-end mass = (OD − t) × t × 0.0246615 for carbon steel
1 inch Pipe Schedule — ASME B36.10M — all dimensions
Wall thickness (mm) — ASME B36.10M
| Dimension | Value | Equivalent |
|---|---|---|
| DN | 25 | |
| OD | 33.4 mm | 1.31 in |
| Sch 10 | 2.77 mm | 0.109 in |
| Sch 30 | 2.90 mm | 0.114 in |
| STD | 3.38 mm | 0.133 in |
| Sch 40 | 3.38 mm | 0.133 in |
| XS | 4.55 mm | 0.179 in |
| Sch 80 | 4.55 mm | 0.179 in |
| Sch 160 | 6.35 mm | 0.250 in |
| XXS | 9.09 mm | 0.358 in |
Weight (kg/m), plain end — ASME B36.10M
| Dimension | Value | Equivalent |
|---|---|---|
| DN | 25 | |
| OD | 33.4 mm | 1.31 in |
| Sch 10 | 2.09 kg/m | 1.40 lb/ft |
| Sch 30 | 2.18 kg/m | 1.46 lb/ft |
| STD | 2.50 kg/m | 1.68 lb/ft |
| Sch 40 | 2.50 kg/m | 1.68 lb/ft |
| XS | 3.24 kg/m | 2.18 lb/ft |
| Sch 80 | 3.24 kg/m | 2.18 lb/ft |
| Sch 160 | 4.24 kg/m | 2.85 lb/ft |
| XXS | 5.45 kg/m | 3.66 lb/ft |
Values are nominal, from Pipe Schedule Chart — ASME B36.10M. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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Other sizes — Pipe Schedule Chart — ASME B36.10M
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FAQ
1 inch Pipe Schedule — ASME B36.10M: common questions
What are the 1 inch Pipe Schedule — ASME B36.10M?
1 inch (DN 25) to ASME B36.10M: OD 33.4 mm; Sch 10 2.77 mm; Sch 30 2.90 mm; STD 3.38 mm; Sch 40 3.38 mm.
Does Teshi Group supply 1 inch pipes?
Yes. Teshi Group stocks and supplies pipes to ASME B36.10M from India, with mill test certificates.
Can I download the 1 inch dimensions as a PDF?
Yes. Use “Download PDF for this size” on this page to get a single-size, print-ready PDF with the drawing and every tabulated dimension, or download the full Pipe Schedule Chart — ASME B36.10M chart.
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