When processing various stainless steel plate products, the surface of stainless steel needs to be processed first. Affected by many factors, there may be some problems on its surface, such as weld defects and scratches. Poor polishing effect is also easy to cause poor stainless steel surface.

Manual argon arc welding (mtig) or CO2 welding method and manual electrode welding can be used.Manual argon arc welding: select welding wire, 2.5 thick or 3.2 thick; For 6mm thick plate, x-groove can be used. Pay attention to welding deformation during butt welding, one on the front and one on the back to offset the impact of welding deformation as much as possible; CO2 welding method: flux cored wire can be used if better results are to be obtained.The reason for selecting flux core for spell welding is that the spatter is very small and the weld protection effect is good, but the price is expensive. During the operation, pay attention to the operation of inter layer back chipping. The next welding must be carried out after the coating is removed.

The technique of argon arc welding for thin stainless steel plate depends on your specific requirements, weld flatness and deformation. You don't need to polish it (just throw a light). 0.7 is OK. How do you get 0.4? Ha ha. Generally, 0.7 plates have certain deformation after welding. To reduce it, try the following steps: try to reduce the gap between weldments as much as possible (the closer the better); If the welding wire is to be filled, the welding wire must be thin, 0.8; The current should be small enough to melt the welding wire. It is about. The welding machines are different, depending on each welding machine.

2205 dual phase steel: S31803, F51, 1.4462; Material brand: 2205 duplex steel, American brand: UNS S31803, German brand: 1.4462, Chinese brand: 00Cr22Ni5Mo3N, F51, S32205;

Executive Standards for 2205 duplex steel production: ASTM a 959-2004, ASTM a240 / 240m-2018, ASTM a313 / a313m-2018, ASTM a270 / a270m-2015, ASTM a1082 / a1082m-2016, ASTM a554-2016, ASTM a240 / a240m-2020, ASTM a959-2019, ASTM a313 / a313m-2018, ASTM a 959-2004, SAE j405-1998, ASTM A182 / a182m-2018, ASTM a240 / 240m-2018, ASTM a276 / a276m-2017, SAE j405-2018 ASTM A313/A313M-2018、ASTM A270/A270M-2015、ASTM A1082/A1082M-2016、ASTM A511/A511M-2020、ASTM A554-2016、ASTM A240/A240M-2020、ASTM A959-2019、GB /T 20878-2007、GB /T 1220-2007、GB /T 3280-2015、GB /T 4237-2015、GB /T 12770-2012、GB /T 4356-2016、GB /T 4240-2019、ASTM A313/A313M-2018、GB /T 5216-2004、ASTM A182/A182M-2018、 GB /T 3280-2015、GB /T 4237-2015、GB /T 4240-2019

In addition to iron, 304 stainless steel also contains chromium, nickel, aluminum, silicon, and other components. Scientists have found that the more uniform the internal structure of steel, the closer the various components are connected, making it more difficult for corrosive substances to invade

he main differences between 304 and 316 stainless steel lie in their chemical composition, corrosion resistance, heat resistance, application areas, and price. Here is a detailed introduction: