TECHNICAL PIPELINE
WELDED & SEAMLESS WROUGHT STEEL PIPE
Stainless Steel Pipe Schedule Chart
ASME B36.19M · Wall Thickness in Millimeters (mm)
TECHNICAL REFERENCE
Welded & Seamless Stainless Pipe — Schedule Wall Thickness
values in mm · red = Sch 40S / 80S · dash = not specified| IDENTIFICATION | STAINLESS SCHEDULES | |||||
|---|---|---|---|---|---|---|
| NPS | DN | OD (mm) | Sch 5S | Sch 10S | Sch 40S | Sch 80S |
| 1/8 | 6 | 10.3 | 1.24 | 1.24 | 1.73 | 2.41 |
| 1/4 | 8 | 13.7 | 1.65 | 1.65 | 2.24 | 3.02 |
| 3/8 | 10 | 17.1 | 1.65 | 1.65 | 2.31 | 3.2 |
| 1/2 | 15 | 21.3 | 1.65 | 2.11 | 2.77 | 3.73 |
| 3/4 | 20 | 26.7 | 1.65 | 2.11 | 2.87 | 3.91 |
| 1 | 25 | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 |
| 1-1/4 | 32 | 42.2 | 1.65 | 2.77 | 3.56 | 4.85 |
| 1-1/2 | 40 | 48.3 | 1.65 | 2.77 | 3.68 | 5.08 |
| 2 | 50 | 60.3 | 1.65 | 2.77 | 3.91 | 5.54 |
| 2-1/2 | 65 | 73 | 2.11 | 3.05 | 5.16 | 7.01 |
| 3 | 80 | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 |
| 3-1/2 | 90 | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 |
| 4 | 100 | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 |
| 5 | 125 | 141.3 | 2.77 | 3.4 | 6.55 | 9.53 |
| 6 | 150 | 168.3 | 2.77 | 3.4 | 7.11 | 10.97 |
| 8 | 200 | 219.1 | 2.77 | 3.76 | 8.18 | 12.7 |
| 10 | 250 | 273 | 3.4 | 4.19 | 9.27 | 12.7 |
| 12 | 300 | 323.8 | 3.96 | 4.57 | 9.53 | 12.7 |
| 14 | 350 | 355.6 | 3.96 | 4.78 | 9.53 | 12.7 |
| 16 | 400 | 406.4 | 4.19 | 4.78 | 9.53 | 12.7 |
| 18 | 450 | 457.2 | 4.19 | 4.78 | 9.53 | 12.7 |
| 20 | 500 | 508 | 4.78 | 5.54 | 9.53 | 12.7 |
| 24 | 600 | 609.6 | 5.54 | 6.35 | 9.53 | 12.7 |
| 30 | 750 | 762 | 6.35 | 7.92 | — | — |
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