Skip to content 
PVC Conduit Trade Size Chart
On this page, you can find common PVC conduit sizes, including trade sizes for common PVC pipe in North America, Australia, South America, and Asia, in both inches and millimeters.
NEC Code for USA
| Item No. | Size | OD | ID | Thickness | |||
| Inches | mm | Inches | mm | Inches | mm | ||
| SCH40-A | 1/2 | 0.840±0.004 | 21.34±0.10 | 0.578 | 14.68 | 0.109 | 2.77 |
| SCH40-B | 3/4 | 1.050±0.004 | 26.67±0.10 | 0.780 | 19.81 | 0.113 | 2.87 |
| SCH40-C | 1 | 1,315±0.005 | 33.40±0.13 | 1,004 | 25.50 | 0,133 | 3,38 |
| SCH40-D | 1-1/4 | 1.660±0.005 | 42.16±0.13 | 1.335 | 33.90 | 0.140 | 3.56 |
| SCH40-E | 1-1/2 | 1,900±0,006 | 48.26±0.15 | 1.564 | 39.72 | 0.145 | 3.68 |
| SCH40-F | 2 | 2.375±0.006 | 60.32±0.15 | 2.021 | 51.33 | 0.154 | 3.91 |
| SCH40-G | 2-1/2 | 2.875±0.007 | 73.02±0.18 | 2.414 | 61.31 | 0.203 | 5.16 |
| SCH40-H | 3 | 3.500±0.008 | 88.90±0.20 | 3.008 | 76.40 | 0.216 | 5.49 |
| SCH40-1 | 3-1/2 | 4,000±0.008 | 101.60±0.20 | 3.486 | 88.54 | 0,226 | 5.74 |
| SCH40-J | 4 | 4.500±0.009 | 114.30±0.23 | 3.961 | 100.60 | 0.237 | 6.02 |
| SCH40-K | 5 | 5.563±0.010 | 141.30±0.25 | 4.975 | 126.36 | 0.258 | 6.55 |
| SCH40-L | 6 | 6.625±0.011 | 168.28±0.28 | 5.986 | 152.04 | 0.280 | 7.11 |
| SCH40-M | 8 | 8.625±0.011 | 219.07±0.28 | 7.853 | 199.47 | 0.322 | 8.18 |
| Item No. | Size | OD | ID | Thickness | |||
| Inches | mm | Inches | mm | Inches | mm | ||
| SCH80-A | 1/2 | 0.840±0.004 | 21.34±0.10 | 0.502 | 12.75 | 0.147 | 3.73 |
| SCH80-B | 3/4 | 1.050±0.004 | 26.67±0.10 | 0.698 | 17.72 | 0.154 | 3.91 |
| SCH80-C | 1 | 1,315±0.005 | 33.40±0.13 | 0.91 | 23.11 | 0.179 | 4.55 |
| SCH80-D | 1-1/4 | 1.660±0.005 | 42.16±0.13 | 1.227 | 31.16 | 0.191 | 4.85 |
| SCH80-E | 1-1/2 | 1,900±0,006 | 48.26±0.15 | 1.446 | 36.72 | 0.200 | 5.08 |
| SCH80-F | 2 | 2.375±0.006 | 60.32±0.15 | 1.881 | 47.77 | 0.218 | 5.54 |
| SCH80-G | 2-1/2 | 2.875±0.007 | 73.02±0.18 | 2.25 | 57.15 | 0.276 | 7.01 |
| SCH80-H | 3 | 3.500±0.008 | 88.90±0.20 | 2.82 | 71.62 | 0.300 | 7.62 |
| SCH80-I | 3-1/2 | 4,000±0.008 | 101.60±0.20 | 3.28 | 83.31 | 0.318 | 8.08 |
| SCH80-J | 4 | 4.500±0.009 | 114.30±0.23 | 3.737 | 94.91 | 0.337 | 8.56 |
| SCH80-K | 5 | 5.563±0.010 | 141.30±0.25 | 4.713 | 119.71 | 0.375 | 9.53 |
| SCH80-L | 6 | 6.625±0.011 | 168.28±0.28 | 5.646 | 143.41 | 0.432 | 10.97 |
| SCH80-M | 8 | 8.625±0.011 | 219.07±0.28 | 7.513 | 190.83 | 0.500 | 12.7 |
| Item No. | Size | OD (inch) | Thickness(inch) | Length |
| DB120RC-A | 1 | 1.315±0.005 | 0.060 | 10ft/20ft |
| DB120RC-B | 1-1/2 | 1.900±0.006 | 0.060 | 10ft/20ft |
| DB120RC-C | 2 | 2.375±0.006 | 0.077 | 10ft/20ft |
| DB120RC-D | 3 | 3.500±0.008 | 0.118 | 10ft/20ft |
| DB120RC-E | 3-1/2 | 4,000±0.008 | 0.136 | 10ft/20ft |
| DB120RC-F | 4 | 4.500±0.009 | 0.154 | 10ft/20ft |
| DB120RC-G | 5 | 5.563±0.010 | 0.191 | 10ft/20ft |
| DB120RC-H | 6 | 6.625±0.011 | 0.227 | 10ft/20ft |
CEC Code for Canada
| Item No. | Trade Size | Metric Size | OD(mm) | ID(mm) | Thickness |
| DB2RC-A | 2 | 53 | 57.00 | 50.80 | 2.02 |
| DB2RC-B | 3 | 78 | 82.35 | 76.20 | 2.40 |
| DB2RC-C | 3-1/2 | 91 | 94.50 | 88.40 | 2.60 |
| DB2RC-D | 4 | 103 | 106.85 | 100.10 | 3.06 |
| DB2RC-E | 4-1/2 | 116 | 121.20 | 114.30 | 3.20 |
| DB2RC-F | 5 | 129 | 134.35 | 126.35 | 4.00 |
| DB2RC-G | 6 | 155 | 159.10 | 149.75 | 4.20 |
| Item No. | Size | OD | ID | ||
| Inches | mm | Inches | mm | ||
| ENT-A | 1/2 | 0.840 | 21.34 | 0.602 | 15.29 |
| ENT-B | 3/4 | 1.050 | 26.67 | 0.804 | 20.42 |
| ENT-C | 1 | 1.315 | 33.40 | 1.029 | 26.14 |
| ENT-D | 1-1/4 | 1.660 | 42.17 | 1.360 | 34.55 |
| ENT-E | 1-1/2 | 1.900 | 48.26 | 1.590 | 40.39 |
| ENT-F | 2 | 2.375 | 60.36 | 2.047 | 51.99 |
| ENT-G | 2-1/2 | 2.866 | 72.80 | 2.469 | 62.70 |
AS/NZS 3000 & IEC for Rest Countries
| Products Code | Type | OD(mm) | Thickness(mm) |
| HFHDR20 | Ø20 | 20.0 | 2.3-2.6 |
| HFHDR25 | Ø25 | 25.0 | 2.5-2.8 |
| HFHDR32 | Ø32 | 32.0 | 2.7-3.0 |
| HFHDR40 | Ø40 | 40.0 | 3.1-3.4 |
| HFHDR50 | Ø50 | 50.0 | 3.4-3.9 |
| HFHDR63 | Ø63 | 63,0 | 3.9-4.5 |
| HFHDR65 | Ø65 | 75.5 | 3.9-4.5 |
| HFHDR80 | Ø80 | 89.1 | 4.6-5.3 |
| HFHDR100 | Ø100 | 114.5 | 5.9-6.7 |
| HFHDR125 | Ø125 | 140.4 | 7.2-8.1 |
| HFHDR150 | Ø150 | 160.5 | 8.3-9.3 |
| Products Code | Type | OD | ID |
| HFHDC20 | Ø20 | 20±0.3 | 12.7 |
| HFHDC25 | Ø25 | 25±0.4 | 16.5 |
| HFHDC32 | Ø32 | 32±0.4 | 22.0 |
| HFHDC40 | Ø40 | 40±0.4 | 28.3 |
| HFHDC50 | Ø50 | 50±0.5 | 36.0 |
| HFHDC63 | Ø63 | 63±0.6 | 46,0 |
Want to Know More About?
FAQs
We are definitely manufacturer, and we do exporting directly.
Usually our MOQ for conduit is 5000 meters. But we may accept lower quanity for your trial order, according to different situations. Please feel free to discuss with us.
Yes,OEM and ODM available. Please contact us to discuss details.
Yes, free samples can be provided with freight collect.
For existing sample, it takes 2-3 days. For customizing sample, need to confirm based on detailed situation.
Usually 15-30 working days.
T/T 50% deposit before production, and balance to be paid before delivery.