The grade BS 1501 223 490B LT50 shows that the steel will have a minimum tensile strength of 490 N/mm2 (490), has elevated temperature properties reported (B), and has low temperature impact properties specified at -30 deg C (LT30).
As well as BS 1501 223 490B LT30, we are also stockists of plates manufactured and certified to:
BS 1501 224 490B LT50 BS 1501 225 490B LT50
Chemical Requirements Chemical composition (ladle analysis, %) of steel 223 Grade 490
| C | Si | Mn | P | S | ||
| 0.20 max | 0.10 - 0.50 | 0.90 - 1.60 | 0.030 max | 0.030 max | ||
| Nb | Cr* | Cu* | Mo* | Ni | ||
| 0.01 - 0.06 | 0.25 max | 0.30 max | 0.10 max | 0.75 max | ||
| Plate Thickness | Tensile Rm | Yield Re | Elong. A | ||
| over 3 mm to 16 mm | 490 - 610 N/mm2 | 355 N/mm2 min | 21% min | ||
| over 16 mm to 40 mm | 490 - 610 N/mm2 | 345 N/mm2 min | 21% min | ||
| over 40 mm to 63 mm | 490 - 610 N/mm2 | 340 N/mm2 min | 20% min | ||
| over 63 mm to 100 mm | 490 - 610 N/mm2 | * | 20% min | ||
| over 100 mm to 150 mm | 490 - 610 N/mm2 | * | 20% min | ||
Charpy V-notch impact values
Impact test values, average of three at tempereature specified below
| RT | 0oC | -15oC | -30oC | ||
| 61 J min | 55 J min | 41 J min | 27 J min | ||
| Place of Origin | Not Given |
| Minimum Order Quantity | Not Given |
| Supply Ability | Not Given |
| Packaging Details | Not Given |
| Delivery Details | Not Given |
Not Given
