Brief downtime experienced due to power failure. Mojang Auth Servers coming back online. Mojang Authentication Servers are currently down.

Guidelines for Welding Cast Iron. Broken cast iron parts are not unusual, given the brittle nature of most cast iron. While there are a variety of types of cast iron, the most common is gray cast iron, and these guidelines are directed toward this type of material. When castings are made, molten iron is poured into a mold and allowed to slowly cool. When this high carbon material is allowed to cool slowly, crack free castings can be made. To Heat, or not to Heat.