ASTM A455 steel plate/sheet for boilers and Pressure Vessels steels
A455 steel plate/sheet,ASTM A455 steel plate/sheet, under EN standard, we can regard A455 steel plate/sheet for boilers and Pressure Vessels steels.ASTM A455 steel plate/sheet is for boilers and Pressure Vessels steels,it is a normalized steel plate and sheet which is mainly used for building pressure vessels and boilers and pipes for hot liquid. If you are looking for Chinese A455 steel supplier, if you want to know A455 steel price, please be free to contact us.
A455 steel chemical composition
| Element | Max % | Element | max % |
| C | 0.18 | Cu | 0.30 |
| Si | 0.40 | Mo | 0.08 |
| Mn | 0.50-1.40 | N | 0.02 |
| P | 0.03 | Nb | 0.05 |
| S | 0.03 | Ni | 0.50 |
| AL | 0.020 | Ti | 0.03 |
| Cr | 0.30 | V | 0.05 |
| Nb+Ti+V | 0.05 |
A455 steel mechanical properties
| Grade | Material | Thickness | Yield Strength | Tensile Strength | Elongation |
| (mm) | MPa (min) | MPa | % (min) | ||
| A455 | 1.0487 | ≤ 16 | 275 | ||
| 16 > to ≤35 | 275 | ||||
| 35 > to ≤50 | 265 | ||||
| 50 > to ≤70 | 255 | 370-490 | 23 | ||
| 70 > to ≤100 | 235 | 350-470 | 1) | ||
| 100 > to ≤150 | 225 | 1) | 1) | ||
| >150 | 390-510 | 24 |
A455 steel impact test
| Type | Usual Dekivery Condition | Norminal Thickness (mm) | Impact Energy KV min[J] at temperature [°C] | |||||||||
| Longitudinal | Longitudinal | |||||||||||
| -50 | -40 | -20 | 0 | +20 | -50 | -40 | -20 | 0 | +20 | |||
| A455 | N | 5-150 | - | - | 40 | 47 | 55 | - | - | 20 | 27 | 31 |
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