The major differences between 202 and 304 stainless steels are in the nickel and chromium contents. 202 has 16-18% chromium and 0.5-4.0% nickel, whilst 304 has 18-20% chromium and 8-10.5% nickel. There are other minor differences in the amount of carbon (0.08% in 304 and 0.12% in 202), manganese (2% in 304 and 5.5-7.5% in 202), as well as slight differences in the silicon, phosphorus and molybdenum contents. Both are austenitic steels and are essentially non-magnetic, but will become temporarily magnetic by working them. The manganese helps preserve the austenitic phase in the steels, as does the nickel. I can see an attraction in some people for using the 202 steel as it contains less nickel, and there is concern amongst some folk that they are sensitive to nickel.
ss304 component drilling process suitable fixture material
The ultimate strength of annealed SS304 is 80,000 psi (550 MPa). Its yield strength is 30,000 psi, and its shears strength is 80000/(SQRT(3)) = 46000 psi. If it is cold worked, as for bolts, its yield and ultimate and shear strength will increase.
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SS316, SS304, and SS316L are all types of stainless steel. SS316 is known for its increased corrosion resistance compared to SS304, particularly in high chloride environments. SS316L is a low carbon version of SS316, which helps prevent sensitization and subsequent corrosion.
http://www.calfinewire.com/metals/tds/ss304.htm7.93 gm/cm³
ss304 component drilling process suitable fixture material
The ultimate strength of annealed SS304 is 80,000 psi (550 MPa). Its yield strength is 30,000 psi, and its shears strength is 80000/(SQRT(3)) = 46000 psi. If it is cold worked, as for bolts, its yield and ultimate and shear strength will increase.
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