Can anyone tell me the difference between ST and RST designations from DIN 17100? We're supplying replacement parts based on an old drawing from a European manufacturer and this is a new one for me. I'm specifically interested in RST 52-3; I have a crossover chart that shows some RSTs as...
I'm a mechanical engineer a couple of years out of school. I design and specify weldments from time to time as part of my work, but my only training with welds so far comes from on-the-job learning. Sidebar - why don't they cover the practical stuff in school? I feel like a welding course and...
Is there a good resource I can use to identify a steel by its chemical composition? I received an MTR from a vendor who wants to substitute a material, but there's no specification on it (unless "58 x 295" is a designation I'm not familiar with?) and it doesn't look like it matches anything in...