A588 weathering steel is a high alloy steel with carbon content above 0.35%. It is a kind of high quality steel with a wide range of uses. Weathering steel has good low temperature impact toughness, generally within the range of -40~-80℃ can still maintain good strength and hardenability. In addition, A588 weathering steel has good corrosion resistance, even in the atmosphere also has a high corrosion resistance. A588 weathering steel is a high quality high speed tool steel used in the manufacture of parts requiring high wear resistance and fatigue life such as crankshaft, flywheel, piston, cylinder liner, etc.
A588 weathering steel characteristics and scope of application: A588 weathering steel in the atmosphere has good corrosion resistance, oxidation resistance, to various media (acid, alkali, salt) has good corrosion resistance. Due to its low alloying (0.25%~0.50%) and good low temperature impact toughness, after quenching and tempering, A588 weathering steel can be used to manufacture harsh working conditions, long service life of important tools such as gears, connecting rods, etc., can also be used to make high strength corrosion resistant parts and other mechanical parts with special requirements.
The C content of A588 weathering steel is 0.35%~0.45%. The carbon content of A588 weathering steel is similar to that of ordinary carbon tool steel, and contains Cr (nitrogen), Mo (nitrogen) and other alloy elements. A588 weathering steel still has high oxidation resistance when it is used at high temperature in the atmosphere (between 1000 and 1050℃).
The chemical composition design of A588 weathering steel is as follows: Alloying elements are carbon, sulfur and other non-metallic oxides. Carbon is the main alloying element of steel, which can improve the hardenability and high temperature stability of steel.
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