P355ML1 steel plate is a thermo mechanically rolled and weldable fine grain steels grade. P355ML1 steel plate is a kind of material for boiler and pressure vessel steel. The dimensions and tolerance on dimensions should be according to EN 10028-1.
P355ML1 steel plate is used on petrochemical boiler, for pressure equipment made of thermo-mechanically rolled steels, with -20 deg C impact test.P355ML1 Grade usual be used for pressure equipments.
P355ML1 steel plate Specification
Thickness: 6mm-350mm
Width: 1500mm-4200mm
Length: 3000mm-18000mm
P355ML1 steel plate Chemical composition(%)
C≤0.14 Si≤0.50 Mn≤1.60 P≤0.020 S≤0.015 Al≥0.020 N≤0.015 Mo≤0.20 Nb≤0.05 Ni≤0.50 Ti≤0.05 V≤0.10 Cr+ Cu+Mo≤0.60
P355ML1 steel plate Mechanical properties
Yield strength Mpa:345-355 Tensile strength Mpa:450-610 Elongation(%):22
Delivery Time：15-30 days
Heat Treatment: TMCP
Referred Grade: P355M, P355ML1, P355ML2 steel plate
Delivery Condition: M-thermo-mechanically rolled, HIC, -20 deg C/-40 deg C/-50 deg C/ impact test
Heat Treatment: Hot Rolled, CR, Normalized, Quenched, Tempering, TMCP, Electroslag Remelting Technical, HIC test.
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