This Re:Fine video shows you how to replace a roof tile when one of the tiles is broken. Tags: How to Replace a Roof Tile,home diy,home improvement project,re:fine,roof maintenance,roof tile installation,roof tile replacement.Grab video code:ift the tiles above the tile to be replaced. Twist around and remove the broken tile. Replace this and remove the other tiles. Making sure all are secure. Here, you can see how the tile hooks over the left. With these logs towards at the back of the tile.
Thus, white iron is hard and brittle and has a white crystalline fracture because it is essentially free of graphite. White iron has a high compressive strength and excellent wear resistance, and it retains its hardness for limited periods even up to a red heat.
Wrought iron. Wrought iron is an iron alloy with a very low carbon (less than 0.08%) content in contrast to cast iron (2.1% to 4%). It is a semi-fused mass of iron with fibrous slag inclusions (up to 2% by weight) which gives it a grain resembling wood, that is visible when it is etched or bent to the point of failure.