12 inch Pipe Schedule — ASME B36.10M
12 inch (DN 300) to ASME B36.10M: OD 323.8 mm; Sch 10 4.57 mm; Sch 20 6.35 mm; Sch 30 8.38 mm; STD 9.53 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
12 inch Pipe Schedule — ASME B36.10M — all dimensions
Wall thickness (mm) — ASME B36.10M
| Dimension | Value | Equivalent |
|---|---|---|
| DN | 300 | |
| OD | 323.8 mm | 12.75 in |
| Sch 10 | 4.57 mm | 0.180 in |
| Sch 20 | 6.35 mm | 0.250 in |
| Sch 30 | 8.38 mm | 0.330 in |
| STD | 9.53 mm | 0.375 in |
| Sch 40 | 10.31 mm | 0.406 in |
| Sch 60 | 14.27 mm | 0.562 in |
| XS | 12.70 mm | 0.500 in |
| Sch 80 | 17.48 mm | 0.688 in |
| Sch 100 | 21.44 mm | 0.844 in |
| Sch 120 | 25.40 mm | 1.00 in |
| Sch 140 | 28.58 mm | 1.13 in |
| Sch 160 | 33.32 mm | 1.31 in |
| XXS | 25.40 mm | 1.00 in |
Weight (kg/m), plain end — ASME B36.10M
| Dimension | Value | Equivalent |
|---|---|---|
| DN | 300 | |
| OD | 323.8 mm | 12.75 in |
| Sch 10 | 35.98 kg/m | 24.18 lb/ft |
| Sch 20 | 49.71 kg/m | 33.40 lb/ft |
| Sch 30 | 65.19 kg/m | 43.81 lb/ft |
| STD | 73.86 kg/m | 49.63 lb/ft |
| Sch 40 | 79.71 kg/m | 53.56 lb/ft |
| Sch 60 | 108.93 kg/m | 73.20 lb/ft |
| XS | 97.44 kg/m | 65.48 lb/ft |
| Sch 80 | 132.05 kg/m | 88.73 lb/ft |
| Sch 100 | 159.87 kg/m | 107.43 lb/ft |
| Sch 120 | 186.92 kg/m | 125.60 lb/ft |
| Sch 140 | 208.08 kg/m | 139.82 lb/ft |
| Sch 160 | 238.69 kg/m | 160.39 lb/ft |
| XXS | 186.92 kg/m | 125.60 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.
Find another size or standard
Pick a product, standard and size — or just type — to see every dimension and download a watermarked PDF for that one size.
Other sizes — Pipe Schedule Chart — ASME B36.10M
Related for this size
FAQ
12 inch Pipe Schedule — ASME B36.10M: common questions
What are the 12 inch Pipe Schedule — ASME B36.10M?
12 inch (DN 300) to ASME B36.10M: OD 323.8 mm; Sch 10 4.57 mm; Sch 20 6.35 mm; Sch 30 8.38 mm; STD 9.53 mm.
Does Teshi Group supply 12 inch pipes?
Yes. Teshi Group stocks and supplies pipes to ASME B36.10M from India, with mill test certificates.
Can I download the 12 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.
Need 12 inch pipes?
Teshi Group stocks and supplies them in India — send your size, rating and material and get a quote in 24–48 hours.
Ready to build to spec?
Share your drawing, bill of materials or technical requirements with the Teshi team.