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STEEL CITY

Premium steel construction materials and industrial components

HO Scale Steel I-Beam Superstructure Building System

Steel City HO Scale Steel I-Beam Superstructure Building System (1:87) This is a true HO scale structural steel system designed to model something you almost never see on model railroads: a building under construction. Not a finished warehouse. Not a completed parking garage. But the exposed steel superstructure you see on real job sites every day — columns, beams, open floors, and raw structure waiting for the next phase. Scenes like this are everywhere in real life and almost never modeled. Adding one instantly makes a layout feel more modern, more believable, and completely different. What this structure can become This superstructure is intentionally generic and adaptable, just like real-world steel framing. Depending on how it’s arranged and what you add later, it can represent: a new hospital under construction an apartment or mixed-use building a large warehouse or Amazon-style distribution center a modern office building or any other commercial or industrial structure still taking shape There is no single intended outcome. The same steel frame can plausibly become many different buildings, which is exactly how real construction works. Multiple Steel City sets can be combined to create larger footprints, taller buildings, or more complex layouts. You can go wider, go taller, or both. Authentic job-site appearance All parts are molded in a red steel primer color, matching the protective primer used on real structural steel when it arrives on a job site. Leave it as-is for a realistic construction look, or weather and finish it however you like. The finished model is intentionally an in-progress construction project — exposed steel, open framing, no walls, no cladding. This is structure first. What’s included This listing provides a base supply of HO scale structural steel components, sold the same way real construction materials are sold — as parts, not a locked-in plan. Includes: 10 HO-scale steel I-beams, 38-foot length 40 HO-scale steel I-beams, 18-foot length 25 side-outlet angle connectors (L) 25 side-outlet T connectors 5 double-cross connectors (X) 50 beams total, plus connectors. Everything shown in the photos can be built with the material in this set, with parts left over. Photos show example configurations and suggested build sequences — not a required design. All beams scale to realistic real-world proportions (approximately 1′ × 1′ structural steel), so the structure reads correctly at HO scale. How it’s designed to be built After testing multiple approaches, the cleanest method is: build one floor at a time start in the center bay and work outward begin with the top floor and work down, building upside down This keeps glue joints hidden on the underside of the beams, so there are no visible glue marks on the finished structure. Small alignment pieces are included to help keep everything square and level during assembly. Customization is the whole point This is not a fragile display model. It’s meant to be worked with. Beams are easily cut to custom lengths using common hobby methods, allowing non-standard bay spacing, partial floors, offsets, or entirely original designs. Many builders start with longer beams and cut their own custom sizes — just like real structural steel. You can stop here, or keep building. Buy it like a steel yard This is a base material set, not the only way to buy Steel City components. Additional beams and connectors are available separately in our other listings, all under the Steel City name. Buy what you need now, add more as the job grows, and build exactly what your layout calls for. Important notes HO scale (1:87) Represents an active construction site, not a finished building Photos show examples, not required layouts Designed by Cinder Shops Made in Oregon, USA ⚠️ California Proposition 65 Warning: This product may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. If you want something on your railroad that people don’t see every day — this is it.

$3900
1

Steel City HO Scale Steel I-Beam Side-Outlet T Connectors (25 Pieces)

Steel City HO Scale Steel I-Beam Side-Outlet Tee Connectors (25 Pieces) These are HO scale structural steel tee connectors designed for building in-progress steel superstructures — not finished buildings. They are part of the Steel City structural steel system and are sold the same way real construction materials are sold: as individual components. Side-outlet tees allow two beams to pass straight through, with a third beam branching off at 90 degrees. They are commonly used where interior framing meets cross-members and where floors or bays tie into a main structural line. What’s included 25 side-outlet tee connectors HO scale (1:87) Engineered to fit 1′-0″ × 1′-0″ HO scale steel I-beams Authentic job-site appearance All connectors are molded in a red steel primer color, matching the protective primer used on real structural steel when it arrives on a job site. This gives your model the correct under-construction look, right out of the package. How they’re used Side-outlet tees are ideal for: interior framing and bay layout floor and roof structure connections multi-level steel superstructures warehouses, hospitals, offices, apartments, and industrial buildings under construction These are structural connectors, not decorative detail parts. Modular & expandable This is not a kit and not a fixed design. Buy only the components you need, add more as your project grows, and build exactly what your layout calls for — just like real construction. Side-outlet tees are fully compatible with other Steel City beams and connectors. Additional components are available separately in our other listings. Important notes HO scale (1:87) Represents active construction, not a finished building Photos may show example usage; listing is for connectors only Designed by Cinder Shops Made in Oregon, USA ⚠️ California Proposition 65 Warning: This product may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. Combined shipping available. Buy $50 or more and shipping is free.

$1300
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Steel City HO Scale Steel I-Beam Side-Outlet Elbow Connectors (25 Pieces)

These are HO scale structural steel connectors designed for building in-progress steel superstructures — not finished buildings. They are part of the Steel City structural steel system and are sold the same way real construction materials are sold: as individual components. Side-outlet elbows allow beams to connect at 90 degrees, making them ideal for: perimeter framing floor bays corners and edge conditions multi-level steel superstructures What’s included 25 side-outlet elbow connectors HO scale (1:87) Engineered to fit 1′-0″ × 1′-0″ HO scale steel I-beams Authentic job-site appearance All connectors are molded in a red steel primer color, matching the protective primer used on real structural steel when it arrives on a job site. This gives your model the correct under-construction look right out of the box. How they’re used These connectors are designed to be used with Steel City HO scale I-beams to model: buildings under construction warehouses, offices, hospitals, apartments, or industrial structures exposed steel framing before walls, decks, or cladding are added They are intended for structural framing, not decorative detail parts. Modular & expandable This is not a kit and not a fixed design. Buy only the components you need, add more as your project grows, and build exactly what your layout calls for — just like real construction. Additional Steel City beams and connectors are available separately in our other listings. Important notes HO scale (1:87) Represents active construction, not a finished building Photos may show example usage; listing is for connectors only Designed by Cinder Shops Made in Oregon, USA ⚠️ California Proposition 65 Warning: This product may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. Combined shipping available. Buy $50 or more and shipping is free.

$1300
1

(20) Steel City HO Scale 18-Foot Steel I-Beam Pack (1:87)

Steel City HO Scale 18-Foot Steel I-Beam Pack of 20 (1:87) This is a true HO scale structural steel component pack designed to model something you almost never see on model railroads: a building in the middle of construction. Not a finished warehouse. Not a completed parking garage. But the exposed steel superstructure — raw framing, open floors, and beams waiting for the next phase. These scenes are everywhere in real life and almost never modeled. Adding exposed steel immediately makes a layout feel more modern, more believable, and less “finished-toy.” What these beams are for These 16-foot steel I-beams are short-span structural members commonly used in real construction for: floor framing and infill bays secondary beams between main girders shorter spans, offsets, and edge conditions custom layouts that don’t follow a rigid grid They’re intended as building material, not a pre-designed kit. Just like real steel, how you use them is up to you. Multiple Steel City packs can be combined to build larger footprints, taller structures, or more complex framing patterns. Authentic job-site appearance All beams are molded in a red steel primer color, matching the protective primer used on real structural steel when it arrives on a job site. Leave them as-is for a realistic active-construction look, or paint and weather them to match your scene. What’s included This listing includes: HO-scale steel I-beams Prototype length: 16 feet All beams share the same realistic structural profile (approximately 1′ × 1′ prototype) Quantity per pack is listed in the item specifics. Beams are identical in profile and length, ready to use as-is or cut down for custom spans. How they’re designed to be used These beams are meant to work with other Steel City components or stand alone for scratchbuilding. Many builders use longer beams and cut them to custom lengths — just like real structural steel — to create non-standard bay spacing, partial floors, or asymmetrical designs. This is not a fragile display part. It’s a working material. Buy it like a steel yard This is a material pack, not a locked-in design. Additional beams, longer spans, and connector components are available separately in other Steel City listings. Buy what you need now and add more as the project grows. Important notes HO scale (1:87) Represents active construction, not a finished building Designed by Cinder Shops Made in Oregon, USA ⚠️ California Proposition 65 Warning: This product may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. Combined shipping available. Buy $50 or more and shipping is free.

$1000
1

*(10) Steel City HO Scale 38-Foot Steel I-Beam Pack (1:87)

Steel City HO Scale 38-Foot Steel I-Beam Pack of 10 (1:87) This is a true HO scale structural steel component pack designed to model something you almost never see on model railroads: a building in the middle of construction. Not a finished warehouse. Not a completed parking garage. But the exposed steel superstructure — raw framing, open floors, and beams waiting for the next phase. These scenes are everywhere in real life and almost never modeled. Adding exposed steel immediately makes a layout feel more modern, more believable, and less “finished-toy.” What these beams are for These 16-foot steel I-beams are short-span structural members commonly used in real construction for: floor framing and infill bays secondary beams between main girders shorter spans, offsets, and edge conditions custom layouts that don’t follow a rigid grid They’re intended as building material, not a pre-designed kit. Just like real steel, how you use them is up to you. Multiple Steel City packs can be combined to build larger footprints, taller structures, or more complex framing patterns. Authentic job-site appearance All beams are molded in a red steel primer color, matching the protective primer used on real structural steel when it arrives on a job site. Leave them as-is for a realistic active-construction look, or paint and weather them to match your scene. What’s included This listing includes: HO-scale steel I-beams Prototype length: 16 feet All beams share the same realistic structural profile (approximately 1′ × 1′ prototype) Quantity per pack is listed in the item specifics. Beams are identical in profile and length, ready to use as-is or cut down for custom spans. How they’re designed to be used These beams are meant to work with other Steel City components or stand alone for scratchbuilding. Many builders use longer beams and cut them to custom lengths — just like real structural steel — to create non-standard bay spacing, partial floors, or asymmetrical designs. This is not a fragile display part. It’s a working material. Buy it like a steel yard This is a material pack, not a locked-in design. Additional beams, longer spans, and connector components are available separately in other Steel City listings. Buy what you need now and add more as the project grows. Important notes HO scale (1:87) Represents active construction, not a finished building Designed by Cinder Shops Made in Oregon, USA ⚠️ California Proposition 65 Warning: This product may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. Combined shipping available. Buy $50 or more and shipping is free.

$800
1

HO Scale Steel I-Beam Double-Cross Connectors (5 pcs) – Steel City

Steel City HO Scale Steel I-Beam Double-Cross Connectors (5 Pieces) These are HO scale structural steel double-cross connectors designed for building in-progress steel superstructures — not finished buildings. They are part of the Steel City structural steel system and are sold the same way real construction materials are sold: as individual components. Double-cross connectors allow four beams to intersect at a single point, forming the core junction where major structural members meet. They are typically used at center bays, column intersections, and primary load points in multi-level steel construction. What’s included 5 double-cross connectors HO scale (1:87) Engineered to fit 1′-0″ × 1′-0″ HO scale steel I-beams Authentic job-site appearance All connectors are molded in a red steel primer color, matching the protective primer used on real structural steel when it arrives on a job site. This gives your model the correct under-construction look, right out of the package. How they’re used Double-cross connectors are ideal for: center columns and core framing multi-story steel superstructures main load-bearing intersections warehouses, hospitals, offices, apartments, and industrial buildings under construction These are structural connectors, not decorative detail parts. Modular & expandable This is not a kit and not a fixed design. Buy only the components you need, add more as your project grows, and build exactly what your layout calls for — just like real construction. Double-cross connectors are fully compatible with other Steel City beams and connectors. Additional components are available separately in our other listings. Important notes HO scale (1:87) Represents active construction, not a finished building Photos may show example usage; listing is for connectors only Designed by Cinder Shops Made in Oregon, USA ⚠️ California Proposition 65 Warning: This product may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. Combined shipping available. Buy $50 or more and shipping is free.

$500
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