What do the materials DIPA and S2PA used for the HBr pump in a certain process package refer to?
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AISI 1144 can be found, but I can’t locate the first two. Please advise, experts. O(∩_∩)O Thank you
Material of the shaft: AISI1144 alloy structural steel round bar, also known as AISI1144 alloy structural steel rod. It is a material widely used in industry. Its widespread use makes it difficult for me to explain it in detail; I believe everyone can find information on the chemical composition, density, hardness, and other mechanical properties of AISI1144 in relevant standards. AISI1144 belongs to the easily cut structural steel category; it is similar to China’s Y40Mn, corresponding to Japan’s SUM43, Britain’s 225M44, and France’s 45MF4