New Design Outside Metal Corten Steel Half Sphere Fire Pit

New Design Outside Metal Corten Steel Half Sphere Fire Pit

New design outside metal corten steel half sphere fire pit The cross-section structures of rust layer formed on WS that was exposed for two years (fig.4) obviously include two layers: The inner layer looks dark grayish, dense and good adherent to steel substrate; And the porous outer layer is...
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New design outside metal corten steel half sphere fire pit

The cross-section structures of rust layer formed on WS that was exposed for two years (fig.4) obviously include two layers: The inner layer looks dark grayish, dense and good adherent to steel substrate; And the porous outer layer is reddish and mottled. The rust layer formed at Phan Rang looks more compact in comparison with the other sites; meanwhile it is more porous at Dong Hoi. This can be explained by the different climatic conditions at these test sites (tab.1), thus long drying time, little rain and longtime of sunshine at Phan Rang favored the rust layer more compact, whereas long wetting time, great total of rainfall and shorter time of sunshine at Dong Hoi made the rust layer more porous.

New design outside metal corten steel half sphere fire pit

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