Comparison table of total alloy content in common steels

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Table of Total Alloy Content for Common Steels – Preparation Notes: The total alloy content in this table is calculated based on the upper limit (max) of the chemical composition of the steel. This standard is not intended as a basis for acceptance; it is provided solely for reference in implementing the provisions of internal control standards and when it is necessary to know the total alloy content. Commonly used alloying elements include silicon, manganese, chromium, nickel, molybdenum, tungsten, vanadium, titanium, niobium, zirconium, cobalt, aluminum, copper, boron, and rare earth elements. Table of total alloy content: Total alloy content < 3% – 15Mo3, SA299, Q345 series, 16Mng, 16MnDR, SA516Gr70, 15CrMoG, 15CrMog, 15CrMo, 12CrlMoVG, 12CrlMoVg, 12CrlMoV. Total alloy content 3%–10% – 19Mn6, 13MnNCriMoNbg, 13MnNiMo54 (BHW35, DIWA353), 15NiCuMoNb5 (WB36), 12Cr2MoWVTiB (R102), T/P11, T/P12, T/P22, T/P23. Total alloy content > 10% – T/P91