Table 2 Effective grain size and fraction of retained austenite in the welds with different contents (wt%) of alloying elements
GIGA steel weld | Alloying elements, wt% | Effective grain size, μm | Fraction of retained austenite, % | |||
|---|---|---|---|---|---|---|
Ni | Nb | Cr | ||||
1.2GPa L-Nb (1.2GPa L-Nb/L-Ni) | Reference * | 0.01 | 0.016 | 0.73 | 4.5 | 0.4 |
1.2 GPa H-Nb (1.2 GPa H-Nb/L-Ni) | Developed | 0.01 | 0.035 | 0.64 | 2.7 | 1.0 |
1.2 GPa H-Ni (1.2 GPa H-Ni/L-Nb) | Conventional | 1.13 | 0.016 | 0.34 | 3.6 | 0.3 |
1.0GPa L-Nb (1.0GPa L-Nb/L-Ni) | Reference * | 0.01 | 0.011 | 0.70 | 5.2 | 0.9 |
1.0 GPa H-Nb (1.0 GPa H-Nb/L-Ni) | Developed | 0.01 | 0.038 | 0.73 | 4.3 | 1.8 |
1.0 GPa H-Ni (1.0 GPa H-Ni/L-Nb) | Conventional | 1.44 | 0.010 | 0.34 | 4.4 | 0.5 |
