Issues regarding shaft-type lugs used for stainless steel cylinders
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The cylinder is made of stainless steel; the shaft-type lugs specified by the design institute are of type AXA Q235R/S30408. According to standards, the shafts for these lugs should be made of 20# material. Although these shafts are not welded directly to the cylinder, it is possible that over time iron ions may be released as a result of them being in contact with the cylinder.
The key is that the shaft tube is inserted into a pad, and the pad is a ring
We will make a slight groove; welding it with 309 won’t work