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The Table Y-1 of ASME BPVC Section II Part D has provided yield strength values for the three steel grades of ASTM A204 for various elevated temperatures. Similar to the tensile strength values, these values are only used for design calculation purpose.
Temp. | Sy |
---|---|
40 | 255 |
65 | 246 |
100 | 239 |
125 | 234 |
150 | 230 |
175 | 226 |
200 | 223 |
225 | 219 |
250 | 216 |
275 | 213 |
300 | 210 |
325 | 207 |
350 | 204 |
375 | 200 |
400 | 196 |
425 | 191 |
450 | 186 |
475 | 180 |
500 | 173 |
525 | 166 |
Temp. | Sy |
---|---|
40 | 276 |
65 | 266 |
100 | 258 |
125 | 253 |
150 | 249 |
175 | 245 |
200 | 241 |
225 | 237 |
250 | 234 |
275 | 231 |
300 | 228 |
325 | 224 |
350 | 220 |
375 | 216 |
400 | 211 |
425 | 207 |
450 | 200 |
475 | 194 |
500 | 187 |
525 | 179 |
Temp. | Sy |
---|---|
40 | 296 |
65 | 286 |
100 | 277 |
125 | 272 |
150 | 267 |
175 | 263 |
200 | 259 |
225 | 255 |
250 | 252 |
275 | 248 |
300 | 245 |
325 | 241 |
350 | 237 |
375 | 232 |
400 | 227 |
425 | 222 |
450 | 216 |
475 | 209 |
500 | 201 |
525 | 192 |