ANSI / ASME B36.19 Afmetingen roestvrijstalen buis
Mar 05, 2026
ANSI / ASME B36.19 roestvrijstalen buismaten en -afmetingen
ASME B36.19M is de standaardspecificatie voor gelaste en naadloos gesmeed roestvrijstalen buizen. ANSI B36.19 omvat afmetingen, wanddiktes, toleranties en theoretische gewichten voor de productie van roestvrijstalen buizen. Deze norm moet worden onderscheiden van de koolstofstalen/gelegeerde pijpnorm ASME B36.10. Leidingen met nominale buismaten variërend van NPS 1/8 tot NPS 30, inclusief specificaties zoals 5S, 10S, 40S, 80S en 160S, waarbij "S" roestvrij staal betekent.
ASME B36.19 Afmetingen roestvrijstalen buis (inch)
| Nominale buismaat | OD (mm) buitendiameter |
Sch5S (in) |
Sch10S (in) |
Sch40S (in) |
Sch80S (in) |
Sch160S (in) |
|
| DN | NPS | ||||||
| 6 | 1/8 | 10.3 | 0.049 | 0.068 | 0.095 | 0.124 | |
| 8 | 1/4 | 13.7 | 0.065 | 0.088 | 0.119 | 0.145 | |
| 10 | 3/8 | 17.1 | 0.065 | 0.091 | 0.126 | 0.158 | |
| 15 | 1/2 | 21.3 | 0.065 | 0.083 | 0.109 | 0.147 | 0.188 |
| 20 | 3/4 | 26.7 | 0.065 | 0.083 | 0.113 | 0.154 | 0.219 |
| 25 | 1 | 33.4 | 0.065 | 0.109 | 0.133 | 0.179 | 0.250 |
| 32 | 1 1/4 | 42.2 | 0.065 | 0.109 | 0.140 | 0.191 | 0.250 |
| 40 | 1 1/2 | 48.3 | 0.065 | 0.109 | 0.145 | 0.200 | 0.281 |
| 50 | 2 | 60.3 | 0.065 | 0.109 | 0.154 | 0.218 | 0.344 |
| 65 | 2 1/2 | 73 | 0.083 | 0.120 | 0.203 | 0.276 | 0.375 |
| 80 | 3 | 88.9 | 0.083 | 0.120 | 0.216 | 0.300 | 0.438 |
| 90 | 3 1/2 | 101.6 | 0.083 | 0.120 | 0.226 | 0.318 | |
| 100 | 4 | 114.3 | 0.083 | 0.120 | 0.237 | 0.337 | 0.531 |
| 125 | 5 | 141.3 | 0.109 | 0.13 | 0.258 | 0.375 | 0.625 |
| 150 | 6 | 168.3 | 0.109 | 0.13 | 0.280 | 0.432 | 0.719 |
| 200 | 8 | 219.1 | 0.109 | 0.148 | 0.322 | 0.500 | |
| 250 | 10 | 273.1 | 0.13 | 0.165 | 0.365 | 0.500 | |
| 300 | 12 | 323.9 | 0.156 | 0.18 | 0.375 | 0.500 | |
| 350 | 14 | 355.6 | 0.156 | 0.188 | 0.375 | 0.500 | |
| 400 | 16 | 406.4 | 0.165 | 0.188 | 0.375 | 0.500 | |
| 450 | 18 | 457 | 0.165 | 0.188 | 0.375 | 0.500 | |
| 500 | 20 | 508 | 0.188 | 0.218 | 0.375 | 0.500 | |
| 550 | 22 | 559 | 0.188 | 0.218 | |||
| 600 | 24 | 610 | 0.218 | 0.250 | 0.375 | 0.5 | |
| 650 | 26 | 660 | |||||
| 700 | 28 | 711 | |||||
| 750 | 30 | 762 | 0.25 | 0.312 | |||
ASME B36.19 Afmetingen roestvrijstalen buis (mm)
| Nominale buismaat | OD (mm) buitendiameter |
Sch5S (mm) |
Sch10S (mm) |
Sch40S (mm) |
Sch80S (mm) |
Sch160S (mm) |
|
| DN | NPS | ||||||
| 6 | 1/8 | 10.3 | 1.24 | 1.73 | 2.41 | 3.15 | |
| 8 | 1/4 | 13.7 | 1.65 | 2.24 | 3.02 | 3.68 | |
| 10 | 3/8 | 17.1 | 1.65 | 2.31 | 3.2 | 4.01 | |
| 15 | 1/2 | 21.3 | 1.65 | 2.11 | 2.77 | 3.73 | 4.78 |
| 20 | 3/4 | 26.7 | 1.65 | 2.11 | 2.87 | 3.91 | 5.56 |
| 25 | 1 | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 | 6.35 |
| 32 | 1 1/4 | 42.2 | 1.65 | 2.77 | 3.56 | 4.85 | 6.35 |
| 40 | 1 1/2 | 48.3 | 1.65 | 2.77 | 3.68 | 5.08 | 7.14 |
| 50 | 2 | 60.3 | 1.65 | 2.77 | 3.91 | 5.54 | 8.74 |
| 65 | 2 1/2 | 73 | 2.11 | 3.05 | 5.16 | 7.01 | 9.52 |
| 80 | 3 | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 | 11.13 |
| 90 | 3 1/2 | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 | |
| 100 | 4 | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 | 13.49 |
| 125 | 5 | 141.3 | 2.77 | 3.40 | 6.55 | 9.53 | 15.88 |
| 150 | 6 | 168.3 | 2.77 | 3.40 | 7.11 | 10.97 | 18.26 |
| 200 | 8 | 219.1 | 2.77 | 3.76 | 8.18 | 12.7 | |
| 250 | 10 | 273.1 | 3.40 | 4.19 | 9.27 | 12.7 | |
| 300 | 12 | 323.9 | 3.96 | 4.57 | 9.53 | 12.7 | |
| 350 | 14 | 355.6 | 3.96 | 4.78 | 9.53 | 12.7 | |
| 400 | 16 | 406.4 | 4.19 | 4.78 | 9.53 | 12.7 | |
| 450 | 18 | 457 | 4.19 | 4.78 | 9.53 | 12.7 | |
| 500 | 20 | 508 | 4.78 | 5.54 | 9.53 | 12.7 | |
| 550 | 22 | 559 | 4.78 | 5.54 | |||
| 600 | 24 | 610 | 5.54 | 6.35 | 9.53 | 12.7 | |
| 650 | 26 | 660 | |||||
| 700 | 28 | 711 | |||||
| 750 | 30 | 762 | 6.35 | 7.92 | |||







