Hi all,Can someone please tell me the angular limit between a flat and pitched roof as defined by the OBC, or maybe the National Building Code?I'm told that in the US it is up to and including 5 degrees. Is it the same in Ontario?Thanks.
I'm a hydraulic cylinder designer looking to produce new cylinders with hydraulic cushioning on extension and retraction. We have existing designs that were developed using trial and error methods and these designs are not working in our new applications.
I'm looking for any resources or...
I've got a mill cert for 1045 steel with a 100 ksi yield, I'm trying to figure out what they've done to get that high a yield. I think they may have dual-certified a 1050 steel as 1045. The composition shows 0.080 NI, 0.090 V, and 0.020 MO. I didn't think these quantities of these elements...
What's the difference between "4140 quench & temper" and "4140 heat treat & stress relieved"? I thought the terms were interchangable but my suppliers seem confused.