| D | Bridges, heavy steel |
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| D | Bridges, light alloy |
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| D | Bridges, metal, suspension |
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| D | Bridges, metal, swing |
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| D | Bridges, metal, transporter |
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| D | Bridges, metal, bascule |
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| D | Bridges, metal, prefabricated unit |
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| D | Bridges, metal, pipe |
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| D | Bridges, metal, railway and road |
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| D | Footbridges, metal |
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| D | Utilities bridges, temporary, steel |
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| D | Walkways, suspended, catwalks, metal |
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| D | Trestle-work, metal |
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| D | Lock and sluice gates, metal |
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| D | Spillway gates, steel |
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| D | Flood barriers, metal, mobile |
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| D | Masts and pylons, steel |
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| D | Masts and pylons, light alloys |
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| D | Masts, metal, telescopic |
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| D | Masts and towers, metal, for communication systems |
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| D | Masts, metal, controlled triggering of avalanches |
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| D | Electric transmission line towers and electricity pylons, metal |
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| D | Poles, metal, for telephone and electricity power lines |
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| D | Cableway towers, metal |
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| D | Towers, floodlighting or aircraft beacon, metal |
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| D | Street standards, tramway and trolleybus, steel |
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| D | Wind generator towers, steel |
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| D | Stanchions and lattice stanchions, metal |
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| D | Bridge bearings, metal |
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| D | Arch centres, metal, for tunnels |
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| D | Expansion joints, metal, for roads and bridges |
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| D | Flooring sheets, metal, drawn, for bridges |
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| D | Roads and runways, portable, prefabricated metal |
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| D | Structural steelwork for hydroelectric plant |
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| D | Offshore structures, metal |
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| D | Steelwork, prefabricated, for ships |
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| D | Prefabricated superstructures, metal, for ships |
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| D | Pipe support systems, metal |
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| D | Avalanche barriers, metal |
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| D | Air raid shelter elements, metal |
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| D | Pipe racks, metal, for the petroleum industry |
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