An Introduction to CSA – Class H
You’ve probably heard about CSA - Class H material at some point but might not be familiar with it. Today, I’d like to reintroduce you to Class H. What is CSA G40.21 50W/350W Class H? As defined in CSA G40.20, Class H Hollow Structural Sections (HSS) are produced by one of two methods: (A) seamless or furnace-...
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