09MnNiDR cryogenic pressure vessel steel plate
09MnNiDR chemical composition compared with other container board:
|
|
Chemical elements (mass fraction) /% |
| |||||||
|
Trademark |
C |
Si |
Mn |
Ni |
V |
Mb |
Alt |
P |
S |
|
16MnDR |
≤0.20 |
0.15-0.50 |
1.02-1.60 |
— |
— |
— |
≥0.020 |
≤0.025 |
≤0.012 |
|
15MnNiDR |
≤0.18 |
0.15-0.50 |
1.02-1.60 |
0.20-0.60 |
≤0.06 |
|
≥0.020 |
≤0.025 |
≤0.012 |
|
09MnNiDR |
≤0.12 |
0.15-0.50 |
1.02-1.60 |
0.30-0.80 |
— |
≤0.04 |
≥0.020 |
≤0.020 |
≤0.01 |
Performance compared with other low-temperature container board:
|
|
Mechanical properties |
| |||||
|
|
Nominal plate thickness / mm |
Tensile test |
Impact test |
180 ° bending test bending diameter (b ≥ 35mm) |
| ||
|
Tensile strength of R / (N / m) |
Yield strength R / (N / m) |
Elongation A /% |
Temperature / ℃ |
Impact energy absorption KV2 / J |
| ||
|
Not less than |
Not less than |
|
|
|
| ||
|
16MnDR |
6-16 |
490-620 |
315 |
21 |
—40 |
34 |
d=2a |
|
＞16-36 |
470-600 |
295 |
d=3a |
|
|
|
|
|
＞36-60 |
460-590 |
285 |
|
|
|
|
|
|
＞60-100 |
450-580 |
275 |
—30 |
34 |
|
|
|
|
＞100-120 |
440-570 |
265 |
|
|
|
|
|
|
15MnNiDR |
6-16 |
490-620 |
325 |
20 |
—45 |
34 |
d=3a |
|
＞16-36 |
480-610 |
315 |
|
|
|
|
|
|
＞36-60 |
470-600 |
305 |
|
|
|
|
|
|
09MnNiDR |
6-16 |
440-570 |
300 |
23 |
—70 |
34 |
d=3a |
|
＞16-36 |
430-560 |
280 |
|
|
|
|
|
|
＞36-60 |
430-560 |
270 |
|
|
|
|
|
|
＞60-120 |
420-550 |
260 |
|
|
|
|
|
