SA508 Steel

Steel name: SA508
Diagram No.: 7899
Type of diagram: CCT
Chemical composition in weight %: Steel SA508 grade 3 class 2: 0.21% C, 0.23% Si, 1.50% Mn, 0.004% P, 0.001% S, 0.19% Cr, 0.92% Ni, 0.50% Mo, <0.03% V. Steel SA508 grade 3 class 1: 0.17% C, 0.27% Si, 1.31% Mn, 0.009% P, 0.010% S, 0.10% Cr, 0.45% Mo, 0.71% Ni, <0.01% V
Steel group: Reactor pressure vessel steels
Note: Top diagram: Curves of CCT for class 1 (solid lines) and class 2 (broken lines) of grade 3 SA508 reactor pressure vessel steel [30]. Bottom diagram: Calculated CCT curves for different locations in HAZ of SA508 grade 3, class 1 reactor pressure vessel steel as consequence of differing prior austenite grain size: cooling curves corresponding to these locations are also shown [37].
Reference: Not shown in this demo version.

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