| Nom pipe Size | OD | NOMINAL WALL THICKNESS | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sch10 | Sch20 | Sch30 | Sth Wall | Sch40 | Sch60 | EXT Hvy | Sch80 | Sch100 | Sch120 | Sch140 | Sch160 | XX Hvy | ||
| 1/2 | 0.840 | 0.083 | … | … | 0.109 | 0.109 | … | 0.147 | 0.147 | … | … | … | 0.188 | 0.294 |
| 3/4 | 1.050 | 0.083 | … | … | 0.113 | 0.113 | … | 0.154 | 0.154 | … | … | … | 0.219 | 0.308 |
| 1 | 1.315 | 0.109 | … | … | 0.133 | 0.133 | … | 0.179 | 0.179 | … | … | … | 0.250 | 0.358 |
| 1 1/4 | 1.660 | 0.109 | … | … | 0.140 | 0.140 | … | 0.191 | 0.191 | … | … | … | 0.250 | 0.382 |
| 1 1/2 | 1.900 | 0.109 | … | … | 0.145 | 0.145 | … | 0.200 | 0.200 | … | … | … | 0.281 | 0.400 |
| 2 | 2.375 | 0.109 | … | … | 0.154 | 0.154 | … | 0.218 | 0.218 | … | … | … | 0.344 | 0.436 |
| 2 1/2 | 2.875 | 0.120 | … | … | 0.203 | 0.203 | … | 0.276 | 0.276 | … | … | … | 0.375 | 0.552 |
| 3 | 3.500 | 0.120 | … | … | 0.216 | 0.216 | … | 0.300 | 0.300 | … | … | … | 0.438 | 0.600 |
| 3 1/2 | 4.000 | 0.120 | … | … | 0.226 | 0.226 | … | 0.318 | 0.318 | … | … | … | … | 0.636 |
| 4 | 4.500 | 0.120 | … | … | 0.237 | 0.237 | … | 0.337 | 0.337 | … | 0.438 | … | 0.531 | 0.674 |
| 5 | 5.563 | 0.134 | … | … | 0.258 | 0.258 | … | 0.375 | 0.375 | … | 0.500 | … | 0.625 | 0.750 |
| 6 | 6.625 | 0.134 | … | … | 0.280 | 0.280 | … | 0.432 | 0.432 | … | 0.562 | … | 0.719 | 0.864 |
| 8 | 8.625 | 0.148 | 0.250 | 0.277 | 0.322 | 0.322 | 0.406 | 0.500 | 0.500 | 0.594 | 0.719 | 0.812 | 0.906 | 0.875 |
| 10 | 10.750 | 0.165 | 0.250 | 0.307 | 0.365 | 0.365 | 0.500 | 0.500 | 0.594 | 0.719 | 0.844 | 1.000 | 1.125 | 1.000 |
| 12 | 12.750 | 0.180 | 0.250 | 0.330 | 0.375 | 0.406 | 0.562 | 0.500 | 0.688 | 0.844 | 1.000 | 1.125 | 1.312 | 1.000 |
| 14 | 14.000 | 0.250 | 0.312 | 0.375 | 0.375 | 0.438 | 0.594 | 0.500 | 0.750 | 0.938 | 1.094 | 1.250 | 1.406 | … |
| 16 | 16.000 | 0.250 | 0.312 | 0.375 | 0.375 | 0.500 | 0.656 | 0.500 | 0.844 | 1.031 | 1.219 | 1.438 | 1.594 | … |
| 18 | 18.000 | 0.250 | 0.312 | 0.438 | 0.375 | 0.562 | 0.750 | 0.500 | 0.938 | 1.156 | 1.375 | 1.562 | 1.781 | … |
| 20 | 20.000 | 0.250 | 0.375 | 0.500 | 0.375 | 0.594 | 0.812 | 0.500 | 1.031 | 1.281 | 1.500 | 1.750 | 1.969 | … |
| 22 | 22.000 | 0.250 | … | … | 0.375 | … | … | 0.500 | … | … | … | … | … | … |
| 24 | 24.000 | 0.250 | 0.375 | 0.562 | 0.375 | 0.688 | 0.969 | 0.500 | 1.219 | 1.531 | 1.812 | 2.062 | 2.344 | … |
| 26 | 26.000 | … | … | … | 0.375 | … | … | 0.500 | … | … | … | … | … | … |
| 30 | 30.000 | 0.312 | 0.500 | 0.625 | 0.375 | … | … | 0.500 | … | … | … | … | … | … |
| 36 | 36.000 | 0.312 | 0.500 | 0.625 | 0.375 | 0.750 | … | 0.500 | … | … | … | … | … | … |
| 40 | 40.000 | … | … | … | 0.375 | … | … | 0.500 | … | … | … | … | … | … |
| 42 | 42.000 | … | … | … | 0.375 | … | … | 0.500 | … | … | … | … | … | … |
| 48 | 48.000 | … | … | … | 0.375 | … | … | 0.500 | … | … | … | … | … | … |
dimensions are in inches
(1) Light wall thicknesses are identical to stainless steel Schedule 10S in sizes through 12”, and to Schedule 10 sizes 14” and larger
(2) Standard wall thicknesses are identical to stainless steel Schedule 40S in sizes through 10”
(3) Extra heavy wall thicknesses are identical to stainless steel schedule 80S in sizes through 8”
(4) Other types, sizes, and thicknesses of flanges can be provided to meet application
(5) Stocked and manufactured in carbon steel, stainless steel, and a variety of other metals and alloys
(6) Weld Neck Flange Bore Chart
Lewis Liu
Hello, I am Lewis Liu, a professional sales engineer with over ten years of experience in the flange fittings industry. I am highly knowledgeable in flange selection, installation, and maintenance. I am passionate about providing customers with the best solutions to ensure their pipeline systems run smoothly, safely, and reliably.
If you have any questions or concerns regarding flange fittings for your pipelines, whether it’s about selection, material choice, specification requirements, or any other aspect, please feel free to contact me at any time. I am committed to offering professional advice and assistance to help you make informed decisions and meet your needs.
