Steel | C | Mn | N | S | Si | Cr | Ni | Mo | Fe |
---|---|---|---|---|---|---|---|---|---|
DSS A | 0.015 | 1.97 | 0.17 | - | 0.45 | 23.0 | 5.5 | 3.15 | bal. |
DSS B | 0.03 | 1.65 | - | 0.27 | 0.65 | 21.0 | 5.3 | - | bal. |
Steel | Solution-treated (min) | Phases | Fe | Cr | Ni | Mo | Mn |
---|---|---|---|---|---|---|---|
DSS A | As-received | α (A) | 62.52 | 24.14 | 3.96 | 3.18 | 1.97 |
γ (B) | 64.01 | 20.77 | 6.75 | 2.72 | 2.09 | ||
30 | α (A) | 65.15 | 24.23 | 4.41 | 4.30 | 1.90 | |
γ (B) | 67.10 | 21.49 | 6.86 | 2.50 | 2.04 | ||
120 | α (A) | 64.45 | 25.21 | 4.43 | 3.89 | 2.02 | |
γ (B) | 66.77 | 21.55 | 7.13 | 2.54 | 2.01 | ||
240 | α (A) | 63.51 | 24.68 | 4.65 | 5.11 | 2.06 | |
γ (B) | 65.34 | 21.16 | 6.72 | 4.01 | 2.78 | ||
DSS B | As-received | α (A) | 71.44 | 24.87 | 3.33 | - | - |
γ (B) | 70.51 | 22.14 | 5.18 | - | - | ||
30 | α (A) | 69.76 | 24.94 | 3.74 | - | 1.55 | |
γ (B) | 71.82 | 20.87 | 5.48 | - | 1.83 | ||
120 | α (A) | 70.73 | 22.61 | 4.98 | - | 1.67 | |
γ (B) | 72.28 | 20.99 | 5.09 | - | 1.65 | ||
240 | α (A) | 70.19 | 24.78 | 3.56 | - | 1.47 | |
γ (B) | 72.40 | 20.81 | 5.32 | - | 1.47 |
Steel | Solution-treated (min) | Ferrite phase (%) |
---|---|---|
DSS A | As-received | 39.63± 1.98 |
30 | 57.32± 2.20 | |
120 | 58.70± 0.25 | |
240 | 60.85± 0.81 | |
DSS B | As-received | 33.32± 1.66 |
30 | 52.75± 2.63 | |
120 | 52.88± 2.64 | |
240 | 59.12± 2.95 |
Steel | Phase | Microhardness (HV) | Solution-treated (min) |
---|---|---|---|
DSS A | α | 247±3.40 | As-received |
γ | 256±5.80 | ||
α | 235±4.91 | 30 | |
γ | 244±3.50 | ||
α | 243±3.49 | 120 | |
γ | 246±4.04 | ||
α | 240±3.25 | 240 | |
γ | 234±3.08 | ||
DSS B | α | 239±3.80 | As-received |
γ | 256±7.50 | ||
α | 218±2.19 | 30 | |
γ | 235±1.89 | ||
α | 238±0.90 | 120 | |
γ | 247±1.89 | ||
α | 202±1.50 | 240 | |
γ | 228±4.07 |
Steel | Solution-treated (min) | E (mV/SCE) |
---|---|---|
DSS A | As-received | -250 |
30 | -168 | |
120 | -115 | |
240 | -178 | |
DSS B | As-received | -180 |
30 | -167 | |
120 | -147 | |
240 | -126 |
Steel | Solution-treated (min) | Ecorr (mV/SCE) | Epit (mV/SCE) | Eprot (mV/SCE) | Ipass (A/cm2) |
---|---|---|---|---|---|
DSS A | As-received | -349 | 998 | 989 | 2.7x10-4 |
30 | -395 | 1081 | 883 | 1.4x10-6 | |
120 | -318 | 1050 | 945 | 6.6x10-7 | |
240 | -383 | 1035 | 971 | 1.9x10-6 | |
DSS B | As-received | -242 | 144 | -243 | 8.3x10-6 |
30 | -392 | 1071 | 930 | 2.8x10-6 | |
120 | -262 | 1022 | 881 | 2.2x10-7 | |
240 | -273 | 1139 | 876 | 6.9x10-7 |