4130 steel phase diagram
TimkenSteels 4130HW steel is a fine-grained, low-alloy steel that offers optimum heat-treat response in heavier . cross-sections. It is used in a variety of bar and tubing applications in quenched/tempered conditions. Yield strengths range from 80 ksi through 95 ksi
SAE 3360 mod. Steel SAE 4130 Steel SAE 4130 Steel SAE 4147 Steel SAE 4330 Steel SAE 4330 Steel SAF 2205 Steel SAF 2205 Steel T/P24 Steel T/P91 Steel T/P92 Steel T1 Steel T1 Steel T1 Steel T15 Tool Steel T15, no Co Steel T15, no Co Steel T2 Steel T4 Steel T42 Steel T7 Steel T8 Steel Type 403 Steel Type 403 Steel Type 410 mod. Steel Type 410 Steel and Iron-based Alloys Thermo-Calc SoftwareThe diagram here shows the martensite fractions as a function of temperature for a 4130 steel with nominal chemistry and agrees well with the literature value of 380 °C (ASM Handbook Volume 1:Properties and Selection:Irons, Steels, and High-Performance Alloys, ASM Handbook Committee).
Steel group:Structural steels Note:Isothermal transformation (upper) and CCT (lower) diagrams for AISI 4130 steel containing 0.30% C, 0.64% Mn, 1.0% Cr, and 0.24% Mo. The IT diagram illustrates the input data representation for calculations described in