Composite Steel Beam is an assembled item used in one mission.
Obtaining[]
Composite Steel Beam can be crafted using the Assembly Station. The diagram is given to the player when they accepting the Road to the Marsh and choose the Western (harder) route.
Alternatively, the diagram can be bought from the Research Center Exchange for 39 Data Discs after the mission.
 Level 2 Assembly Station Level 2 Assembly Station
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|---|---|---|
| Blueprint | Materials | |
 Composite Steel Beam |
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Usage[]
One Composite Steel Beam is required to complete the western road during Road to the Marsh mission. It has no other use.
| Assembly Station items | |
|---|---|
| Level 1 | Boombox • Bridge Tower • Burger Stall • Dee-Dee Stop • Dee-Dee Transport • Lara Model • Lift Controls • Loudspeaker • Printing Press • Removable Battery • Steel Beam • Therapy Lamp • Water Engine • Water Storage • Water Tank • Wooden Bridge Body • Wooden Bridge Head |
| Level 2 | Advanced Control Unit • All Source Model • Aluminum Alloy Frame • Auto Pump • Balloon Platform • Boiler Tank • Bus Station • Charge Station • Chimney Roof • Composite Steel Beam • Construction Crane • Conveyor Belt • Exhaust Fan • Harbor Crane • High Power Lift Machine • High Voltage Power Supply • Home Station • Hot Air Balloon • Industrial Sewing Machine • Industrial Transformer • Iron Wood Support • Landing Gear • Lift • Long-Haul Bus • Metal Ramp • Navigation Light • Paddle Boat • Sand Blocker • Stage • The Dragonfly • The Driller • Transmission • Treadmill • Water Tower • Water Well • Water Wheel • Wind Turbine |