The current development of stainless steel I-beam occupies a great advantage in the market. The raw material of stainless steel I-beam should pay attention to the accuracy of the strips during the straightening process. The stainless steel I-beam steel plate will produce a sickle shape when it is divided into strips In the process of straightening, many workers tried to make it convenient, but simply flattened it, and did not add round rollers on the edge. The function of the rollers is to correct the sickle bend in the process of slitting stainless steel I-shaped steel plates. shape, greatly improving the straightness and yield of stainless steel I-beams.
During the welding process of stainless steel I-beam, two shunt end pieces (T profile, H59-1 brass) and five resistance pieces (thickness 1.5, width 20, length 45, manganin plate) are used; by high-frequency heating ; Solder with copper-phosphorus special solder; Requirements: brazing process ≤ 1min, solve: positioning and welding problems (gas welding method was used in the previous brazing process).
Main technical and economic indicators: no oxidation on the surface of the product after welding, and the welding quality is higher than that of gas welding;
The terminal piece and the resistance piece are welded reliably, and there is no melting and deformation during welding;
Guarantee the resistance performance of the shunt;
The production efficiency has been doubled.
The technical characteristics of stainless steel I-beam are:
1. Fast welding speed, up to 18-45m/min;
2. Small thermal influence, easy to control the deformation of H-shaped steel;
3. It can weld H-shaped steel with different material combinations;
4. It can realize micro-tension production and reduce welding stress.
When the specifications and materials of stainless steel I-beams are the same, hot-rolled H-beams can completely replace welded H-beams, and the quality of the former is better than that of the latter. In general, in structural design, hot-rolled H-beams should be used for multi-high-rise buildings, and welded cross-section H-beams for light steel workshops with portal frame structures have better steel consumption indicators, but the project cost is not enough. How much is saved, the reason is that the processing volume of hot-rolled H-beams is small and the construction period is slightly shorter.
