| P | Pipes and tubes, ferrous, for water mains |
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| D | Pipes and tubes, ferrous, for scaffolding |
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| P | Pipes and tubes, steel, for gas, water and steam |
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| P | Pipes, ferrous, for the building industry |
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| P | Tubes, ferrous, for piling |
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| P | Tubes, ferrous, for compressed air |
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| P | Tubes, ferrous, for hydraulic circuits |
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| D | Tubes, ferrous, for ball and roller bearings |
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| P | Tubes, ferrous, boiler and superheater |
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| P | Tubes, steel, for the motor vehicle industry |
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| P | Tubes, steel, for the bicycle and motorcycle industries |
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| P | Tubes, steel, for structural engineering |
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| P | Tubes, steel, naval use |
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| D | Piping, steel, water and air, for mines |
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| P | Tubes, steel, to customer specification |
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| D | Pipes and tubes, carbon steel |
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| D | Pipes and tubes, mild steel |
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| D | Pipes and tubes, steel, seamless |
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| D | Pipes and tubes, steel, electrically welded |
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| P | Pipes and tubes, steel, precision welded |
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| P | Pipes and tubes, steel, precision |
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| P | Pipes and tubes, steel, insulated |
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| P | Pipes and tubes, steel, thin wall |
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| P | Pipes and tubes, steel, thick wall |
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| P | Pipes and tubes, steel, square |
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| P | Pipes and tubes, steel, rectangular |
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| P | Pipes and tubes, ferrous, galvanised |
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| P | Pipes and tubes, ferrous, threaded |
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| P | Pipes and tubes, ferrous, gilled, finned or extended surface |
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