Research Article
Investigation of the Effects of Submerged Arc Welding Process Parameters on the Mechanical Properties of Pressure Vessel Steel ASTM A283 Grade A
Table 3
Matrix of the welding and response factors for hardness and tensile strength.
| Std. order | Run order | Current | Voltage | Travel speed | Hardness (HV) | Tensile strength (MPa) |
| 1 | 22 | 260 | 28 | 10 | 246.47 | 527.5 | 2 | 3 | 260 | 28 | 10 | 244.21 | 530.2 | 3 | 31 | 260 | 28 | 10 | 247.60 | 534.5 | 4 | 19 | 260 | 28 | 11 | 241.57 | 521.2 | 5 | 1 | 260 | 28 | 11 | 247.30 | 523.8 | 6 | 13 | 260 | 28 | 11 | 243.07 | 528.5 | 7 | 30 | 270 | 28 | 10 | 259.67 | 534.3 | 8 | 6 | 270 | 28 | 10 | 254.67 | 539.2 | 9 | 33 | 270 | 28 | 10 | 261.47 | 533.5 | 10 | 2 | 270 | 28 | 11 | 236.87 | 519.4 | 11 | 20 | 270 | 28 | 11 | 234.37 | 522.3 | 12 | 23 | 270 | 28 | 11 | 239.17 | 516.4 | 13 | 32 | 280 | 28 | 10 | 257.57 | 513.4 | 14 | 10 | 280 | 28 | 10 | 252.77 | 515.6 | 15 | 14 | 280 | 28 | 10 | 258.03 | 512.2 | 16 | 29 | 280 | 28 | 11 | 224.07 | 514.4 | 17 | 5 | 280 | 28 | 11 | 227.80 | 509.6 | 18 | 34 | 280 | 28 | 11 | 229.03 | 510.2 | 19 | 11 | 260 | 33 | 10 | 235.75 | 528.2 | 20 | 18 | 260 | 33 | 10 | 232.37 | 523.1 | 21 | 15 | 260 | 33 | 10 | 238.03 | 528.4 | 22 | 26 | 260 | 33 | 11 | 234.43 | 513.8 | 23 | 35 | 260 | 33 | 11 | 239.37 | 519.8 | 24 | 4 | 260 | 33 | 11 | 235.67 | 514.2 | 25 | 21 | 270 | 33 | 10 | 255.07 | 543.1 | 26 | 28 | 270 | 33 | 10 | 250.57 | 538.2 | 27 | 9 | 270 | 33 | 10 | 257.87 | 542.0 | 28 | 25 | 270 | 33 | 11 | 250.17 | 521.1 | 29 | 17 | 270 | 33 | 11 | 253.97 | 525.3 | 30 | 36 | 270 | 33 | 11 | 249.53 | 520.9 | 31 | 7 | 280 | 33 | 10 | 252.87 | 527.4 | 32 | 24 | 280 | 33 | 10 | 247.10 | 528.2 | 33 | 16 | 280 | 33 | 10 | 255.60 | 526.1 | 34 | 27 | 280 | 33 | 11 | 250.27 | 544.7 | 35 | 8 | 280 | 33 | 11 | 246.17 | 540.9 | 36 | 12 | 280 | 33 | 11 | 251.87 | 546.1 |
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