Plak asye SM400A, SM400B ak SM400C yo se Japonè estanda asye woule pou estrikti soude, S reprezante asye, M reprezante soude, 400 se tou pi ba limit fòs rupture 400MPa, A se klas plak asye, san enpak, B se klas plak asye, enpak nan 20 degre, C se enpak nan klas asye 0 degre.
Estanda teknik pou plak asye SM400A, SM400B ak SM400C: JIS G3106.
Analiz k ap fonn konpozisyon chimik nan plak asye SM400A, SM400B ak SM400C:
| Klas | Epesè | C | Si | Mn | P | S |
| SM400A | t Mwens pase oswa egal a 50mm | Mwens pase oswa egal a 0.23 | - | Pi gran pase oswa egal a 2.5 | Mwens pase oswa egal a 0.035 | Mwens pase oswa egal a 0.035 |
| 50 | Mwens pase oswa egal a 0.25 | |||||
| SM400B | t Mwens pase oswa egal a 50mm | Mwens pase oswa egal a 0.20 | Mwens pase oswa egal a 0.35 | 0.60-1.50 | Mwens pase oswa egal a 0.035 | Mwens pase oswa egal a 0.035 |
| 50 | Mwens pase oswa egal a 0.22 | |||||
| SM400C | t Mwens pase oswa egal a 100mm | Mwens pase oswa egal a 0.18 | Mwens pase oswa egal a 0.35 | 0.60-1.50 | Mwens pase oswa egal a 0.035 | Mwens pase oswa egal a 0.035 |
Pwopriyete mekanik plak asye SM400A, SM400B ak SM400C:
| Klas | Pwen sede oswa fòs sede, N/m㎡ | Fòs rupture | |||||
| Epesè mm | Epesè mm | ||||||
| Mwens pase oswa egal a 16 | 16 | 40 | 75 | 100 | 100 | Mwens pase oswa egal a 100 | |
| SM400A | Pi gran pase oswa egal a 245 | Pi gran pase oswa egal a 235 | Pi gran pase oswa egal a 215 | Pi gran pase oswa egal a 215 | Pi gran pase oswa egal a 205 | Pi gran pase oswa egal a 195 | 400-510 |
| SM400B | Pi gran pase oswa egal a 245 | Pi gran pase oswa egal a 235 | Pi gran pase oswa egal a 215 | Pi gran pase oswa egal a 215 | Pi gran pase oswa egal a 205 | - | 400-510 |
| SM400C | Pi gran pase oswa egal a 245 | Pi gran pase oswa egal a 235 | Pi gran pase oswa egal a 215 | Pi gran pase oswa egal a 215 | - | - | 400-510 |
SM400 High -Depo Plak Fòs
SM400 High -Transpò Plak Fòs
SM400 Steel Plak Enspeksyon
