Catalogue data
Steel Electrical Conduit Tubes
AD-PE / UNI 7683 / UNI 7684
Technical specifications
Rigid steel electrical conduit tubes protect cables and provide cable routes in industrial installations. Specify the conduit system together with its matching fittings.
| Property | Specification |
|---|---|
| Conduit systems | UNI 7683 tubes with UNI 7684 couplings; EN IEC 61386-21 for rigid conduit systems where specified. |
| Material and manufacture | Steel tubes, seamless or welded to the selected specification. |
| Surface finish | Hot-dip galvanised for UNI 7683 products; other finishes follow the specified conduit system. |
| Connections | Threaded tubes and matching couplings where the selected system requires them. |
| Enquiry details | State the conduit system, size, wall thickness, finish, threads and matching fittings. |
Applications
Electrical cable protection in industrial installations.
The conduit standards apply to different systems. Any approval for use in special areas must cover the intended installation.
Technical documentation
Technical tables
Table 01
Tensile test - Chemical composition
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| Tensile strength R N/mm² | Tensile strength R Kgf/mm² | Minimum yield strength Rs N/mm² | Minimum yield strength Rs Kgf/mm² | Minimum elongation A % | C max % | Mn max % | Si max % | P max % | S max % |
|---|---|---|---|---|---|---|---|---|---|
| 360÷480 | 37÷49 | 215 | 22 | 24 | 0,17 | 0,40÷0,80 | 0,35 | 0,045 | 0,045 |
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Table 02
CONDUIT TUBES LONGITUDINALLY WELDED (ERW)
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| THREAD | OUTSIDE DIAMETER d MAX mm | OUTSIDE DIAMETER d MIN mm | WALL THICKNESS s mm | LINEAR MASS - Tubes with coupling Kg/mt | COUPLING UNI 7684 - diameter mm | COUPLING UNI 7684 - length mm |
|---|---|---|---|---|---|---|
| Gk 1/2” | 21,7 | 21 | 2,35 | 1,19 | 45 | 25 |
| Gk 3/4” | 27,1 | 26,4 | 2,35 | 1,5 | 45 | 32 |
| Gk 1” | 34 | 33,2 | 2,9 | 2,33 | 60 | 39 |
| Gk 11/4” | 42,7 | 41,9 | 2,9 | 2,99 | 60 | 48 |
| Gk 11/2” | 48,6 | 47,8 | 2,9 | 3,45 | 60 | 54 |
| Gk 2” | 60,7 | 59,6 | 3,25 | 4,83 | 60 | 66 |
| Gk 21/2” | 76,3 | 75,2 | 3,25 | 6,15 | 70 | 82 |
| Gk 3” | 89,4 | 87,9 | 3,65 | 8,15 | 70 | 95 |
| Gk 4” | 114,9 | 113 | 4,05 | 11,7 | 70 | 122 |
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Original technical sheets
CONDUIT TUBES LONGITUDINALLY WELDED (ERW)
Values and units follow the original technical sheet. Confirm the applicable requirements and availability in the quotation.
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