The phrase "actually composed of two" is correct and usable in written English.
You can use it when explaining that something is made up of two distinct parts or elements.
Example: "The sculpture is actually composed of two separate pieces that fit together seamlessly."
Alternatives: "made up of two" or "consists of two".
It was observed that the spring-like carbon nano-coils are actually composed of two fused nano-coils.
This camp, which bristles with counter-arguments at the mention of the word "decline," is actually composed of two very different factions.
We demonstrate that the main transform boundary representing the continental extension of the Romanche Fracture Zone, is actually composed of two distinct margin segments, i.e., the ENE WSW trending sheared margin segment of the Cote d'Ivoire-Ghana Ridge and the NE SW trending rift-influenced sheared margin segment of the Ghana Platform.
It is actually composed of two separate courts - the Court of Justice and the General Court.
The horn is actually composed of two parts that grow side by side but do not fuse.
The Democratic base is actually composed of two broadly defined and distinct constituencies: urbanized highly-educated professionals and middle America blue-collar workers.
Actually, research from my laboratory indicates that Openness to Experience is actually composed of three dimensions which are conceptually and empirically quite different from each other.
The mirror is actually composed of nine plasma television screens and while Untitled may look as if it's been around since the days of Capone, it opened less than six months ago.
Once a storehouse for spices and green coffee beans, the monolithic warehouse is actually composed of seven structures, and has load-bearing, two-foot-thick walls of brick masonry and interior walls of fieldstone.
The singer has just introduced his latest band, 3rdeyegirl, seemingly made up of post-apocalyptic female vagabonds dragged in off the streets of Camden, but actually composed of three fierce blues-rockers and a bald bloke on cowbell.
The "house" is actually composed of four buildings on a 100-by-250-foot lot.
