P460ML2-Pressure vessel steel under European standard EN 10028-6,is a thermo mechanically rolled and weldable fine grain steels, usual be used for pressure equipments, like building boilers and pressure vessels such as petroleum, chemical industry, power plants.
| Grade |
C |
Si |
Mn |
P |
S |
Al |
N |
|
P460ML2 |
0,16 |
0,60 |
1,70 |
0,020 |
0,015 |
0,020 |
0,020 |
|
Nb |
V |
Ti |
Ni |
Mo |
|
|
|
|
0,05 |
0,10 |
0,05 |
0,50 |
0,20 |
|
|
| Grade |
Thickness |
Yield |
Tensile |
Elongation |
|
P460ML2 |
mm |
Min Mpa |
Mpa |
Min % |
|
6-16 |
460 |
530-720 |
17% |
|
|
16-40 |
440 |
|||
|
40-63 |
430 |
P460ML2 steel Extra Service:
Pretreatment (Shot Blasting, Sand Blast and Painting ), Cutting Parts, Sample Service, Third Party inspection, UT Test and Size inspection.
P460ML2 Weldability:
Basic coated elc- trodes are recommended for manual wel- ding. In general, pre-heating prior to wel- ding or torch-cutting is not necessary. At outside temperature below +5 °C, pre- heating to approx. 50 °C should be car- ried out. Subsequent normalised or stress reli- ef annealing with the grades rolled under normalised conditions is required only if called for in the regulations or if operating and manufacturing conditions make a re- duction of the residual welding stresses appear useful. The thermo-mechanically rolled steels are not suitable for normali- zing; stress relief annealing is possible. With stress relief annealing at 530 – 580 °C, the holding time should be 2 minutes per milimetre of plate thickness, not fall short of 30 minutes and not significantly exceed 60 minutes. Excessively high annealing tempera- tres or excessively long annealing times bear the risk of reducing the strength va- lues to below the condition of delivery.
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