EN10028-6 P355QL1 Boiler Plate is an alloy steel formulated for primary forming into wrought products. Cited properties are appropriate for the quenched and tempered condition. 1.8868 is the EN numeric designation for this material. P355QL1 is the EN chemical designation.
It has a moderately high density among EN wrought alloy steels. In addition, it has a moderately high thermal conductivity and a very low tensile strength.
| P355QL1 |
Chemical composition%of the ladle analysis of gradeP355QL1
| C(％) | P(％) | S(％) | |||||
|---|---|---|---|---|---|---|---|
| 0.16 | 0.4 | 1.5 | 0.02 | 0.01 | 0.3 | 0.5 | 0.25 |
Rp0.2(MPa) |
A(%) |
Z(%) |
As-Heat-Treated Condition | |||
|---|---|---|---|---|---|---|
| 517(>=) | 676(>=) | 11 | 31 | 43 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 131 |
kg/dm3 |
kN/mm2 |
||||||
|---|---|---|---|---|---|---|---|
| 615(>=) | 896(>=) | 12 | 11 | 43 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 433 | |
| Temp. |
(10000h) (Rp1,0)N/mm2 |
(10000h) (Rp1,0)N/mm2 |
|||||
| 465 | 461 | 623 |
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