How to Choose a Bolt for a Structural or Machine Joint

Most bolt problems we see come from the same place: someone picked a size that looked about right, and nobody checked how the joint actually carries its load. A bolt that is fine in a catalogue can still loosen, fatigue or tear out of the plate it is holding. This...

How Much Does a Steel Pipe Grow When It Heats Up?

Steel pipe grows when it gets hot. Plenty of designs go wrong because nobody allowed for it. A steam line, hot water main or exhaust duct can move tens or even hundreds of millimetres between cold and operating temperature. If that movement has nowhere to go, it turns...