The ornamental design for a steamiron, as shown and described.
FIG. 1 is a perspective view as seen from the top, front and left side of a steam iron showing my new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines in FIG. 1 showing a cord guard and the broken lines showing soleplate vents in FIG. 7 are for illustration only and form no part of the claimed design.