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ArmourGuard® Steel Tubes

Extraordinary levels of corrosion resistance

  • Up to 20 times the corrosion resistance of galvanised tube
  • High strength steel
  • Greatly extended product life
  • Edge protection
  • Enhanced formability
  • Total exterior and interior protection
  • Unique MAGNAFusion™ weld repair
  • Harder more resilient surface
  • Environmental sustainability

Setting a new standard, ArmourGuard® is Northern Polytunnels' corrosion-resistant high-endurance coated steel tube. Up to 20 times the corrosion resistance of pre-galvanised steel tube thanks to its revolutionary combined zinc, aluminium and magnesium coating, ArmourGuard®. This evolutionary zinc/aluminium/magnesium coating protects against the most hostile of conditions including Alkaline and Ammonia rich environment. 100 Years Exposure without Deterioration

ArmourGuard® is designed not just to survive in the most hostile environments but also to offer extreme longevity. In exhaustive tests carried out by Rotech Laboratories, one of the UK’s leading test houses, ArmourGuard® endured the equivalent of 100 years’ exposure to the harshest elements without undue deterioration. 

With unique ArmourGuard® weld repair, 100% exterior and interior protection is guaranteed. This, together with ArmourGuard®’s tough scratch-resistant surface, offers extreme product longevity.

From right to left: ArmourGuard, hot-dipped galvanised steel, pre-galvanised steel

 

Armourguard protection on tubes

 

The image above shows the effect of 3,000 hours of salt spray testing on three steel tubes. This represents the equivalent of 100 years. The corrosion resistance of ArmourGuard® is due to the dense protective layer formed on the outer and inner surfaces of the tube, in contrast to the porous surface of galvanised tube.  

Environmentally Friendly

ArmourGuard® even protects the environment by reducing the amount of zinc that is used in the manufacturing process compared to fully galvanised steel tube. By extending the product life we are also reducing the overall long-term consumption of steel and the related energy required.

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