4340 Sulfer Content
4340 Sulfer Content
(OP)
Good Afternoon! Can anyone tell me the affect of going from a Sulfer content of .025 to .038 on the part life. Is this an issue?? Government part? May be over engineered, not sure....
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RE: 4340 Sulfer Content
RE: 4340 Sulfer Content
RE: 4340 Sulfer Content
RE: 4340 Sulfer Content
RE: 4340 Sulfer Content
.025 is a common S limit for a lot of applications such as oil and gas industry vs. .040 for standard 4340. You are right on machinability. I agree discretion should depend on application.
RE: 4340 Sulfer Content
RE: 4340 Sulfer Content
Typically Less S = More $. Vacuum arc remelted steel goes about <.001%. Also have seen ladle refined steel that low. Aircraft Quality is <.025. A level of .038 is probably okay for most applications; but as always it depends...