The plate is heated until red hot. I don’t know the specific temperature. A plate could have as much as ½” of sweep – shaped like a banana. To bring the plate square the outside of the banana is heated to red hot in a few places (3” square) and then air cooled. The gentleman doing the...
I am working with a company that is welding grade 80 plates into very long tube sections. They use four grade 80 plates (20" x 30') and weld them into a box. The plates come precut from a vendor, and occasionally the plates are warped or bent. Also, more bending occurs during welding. To...
There is some confusion at my office as to the definition of the all around weld symbol. I have not been able to find a satisfactory answer online. Here is the question....
When two plates (one much smaller than the other )are welded together such that the large flat areas of the plates are...
We are using A36 ½ steel plates to make a box structure. The top and bottom plates are longer than the sides creating tabs. There are holes in these tabs with a ½ wall 4” dia by 2” long slug welded in each hole. Visualize a giant clevis. Currently all the pieces are fixtured in a tool and...
Does anyone have any good recommendations on stress relieve processes? I have a part (2' by 2' by 2') with two wings on it and a bore through both wings (like a giant clevis). Currently we weld the part with tack bars in place then post machine the bore. However, we get significant spring...
The “powers that be” asked me to look into buying some boom sections from China. The boom sections are made from steel plates welded together (simple box structure). We currently make the boom sections in house, but the thought is that we could buy them cheaper from overseas. The booms are...
