Corten Steel Sculpture
2000mm outdoor park square corten steel sphere
A corten steel sphere is designed for an outdoor park square, where it stands as a permanent feature that changes over time through natural weathering. This hollow sphere is made from corten steel, which develops a stable rust patina when exposed to the elements, creating a deep, textured surface that evolves with the seasons. The listed size is 200 CM, and like almost every piece in this catalogue, it is made to custom size on request. It is intended for permanent placement in a public or garden setting, where its form and material are meant to interact with the surrounding landscape.
| Material | Corten steel |
|---|---|
| Size | 200 CM, or custom size |
| Packing | Outer standard wooden crate, inner in plastic or foam |
| Production Time | 25 to 30 days |
| Transport Time | 15 to 20 days |
| Delivery | Factory Direct, Door to Door Delivery |
Dimensions and materials outside this table are confirmed against your duty sheet before quotation.
Key Benefits
What This Nozzle Gives You
- Corten steel develops a stable rust patina that protects the metal and adds visual depth over time
- Hollow construction reduces weight while maintaining structural integrity at large sizes
- The 200 CM size is standard, but the piece is made to any diameter on request
- Weathering process is predictable and self-sustaining, requiring no maintenance or repainting
- Rust surface absorbs light differently than polished metal, creating a warm, earthy presence in outdoor spaces
- Wooden crate packing with inner plastic or foam protects the surface during transit
Application Scenarios
Where It Is Installed
- A city park square where a single object needs to anchor the space and age with the environment
- A public garden with a naturalistic design where rusted metal blends with planting and soil
- An urban plaza where the sculpture’s evolving surface contrasts with modern architecture
- A private garden courtyard where the sphere becomes a living element that changes over years
- A memorial site where the material’s transformation symbolises endurance and time
Who It Is For
Buyers Who Specify It
- Landscape architects designing a long-term outdoor feature with minimal maintenance
- Municipal clients commissioning a permanent sculpture for a public park
- Garden designers seeking a material that ages gracefully in natural surroundings
- Art consultants sourcing a corten steel sphere with a specific visual evolution
- Private collectors interested in a sculpture that changes over time rather than staying static
Problems It Solves
What It Fixes on the Line
- A park square that lacks a permanent visual anchor and feels incomplete
- A commission that needs a durable outdoor sculpture without ongoing maintenance
- A design that requires a material which ages in a controlled, predictable way
- A site where a polished metal sphere would reflect too much and create glare
- A project that has a reference image but no technical drawing, and needs a physical match
Technical Features
How It Is Built
- Hollow corten steel sphere formed by welding two hemispheres over a mould
- Surface allowed to weather naturally, forming a stable rust patina over time
- Corten steel body selected for its self-protecting oxide layer and long-term durability
- Custom diameter as standard, with the company stating spheres from 25 mm to 10 m
- Welds ground and finished to reduce sharp edges, but not polished to preserve the natural texture
- Designed for outdoor installation with no internal support required for standard sizes
Materials
Body Materials and Where Each One Suits
- Corten steel, which forms a protective rust layer when exposed to the elements
- Self-weathering property means no painting or coating is needed over time
- Rust surface develops a deep, mottled appearance that changes with light and season
- Chosen when the client wants the sculpture to age visibly and naturally
- Not suitable for indoor use where rust could stain surfaces
Manufacturing Process
How the Part Is Made
- Scheme design against the site, which sets the form, size and placement
- Small model created and scaled up with internal support designed in parallel
- Plaster mould taken from the model to shape the hemispheres
- Steel plate forged to the mould and welded together, with welds ground down
- Surface left to weather naturally after fabrication, no polishing or coating applied
- Final assembly and installation on site, with fixing detail worked out for the location
Quality Control
What Is Checked Before It Ships
- The company states it runs its own professional QC team
- Welds are ground down to reduce sharpness and improve surface continuity
- No polishing or coating applied, so the weathering process is consistent
- Wooden crate with inner plastic or foam protects the surface during transport
- No external finish means the material’s natural evolution is preserved
Customization
What Can Be Changed to Suit You
- Any diameter to specification; the company states corten steel spheres from 25 mm to 10 m
- Corten steel body only; no other materials are used in this piece
- Ordered from a photograph or a drawing supplied by the customer
- Base and fixing detail designed for the site and the size
- No surface treatment beyond natural weathering; no paint, polish or coating
Comparison
How It Compares With the Alternatives
| A mirror polished stainless steel sphere | A polished sphere reflects the environment and changes with light; a corten sphere absorbs light and ages visibly, creating a different kind of presence over time |
|---|---|
| A painted steel sculpture | Painted steel requires repainting every few years; corten steel develops a protective layer and needs no maintenance |
| A bronze sculpture | Bronze develops a green patina over decades; corten steel forms a stable rust layer in months, with a more immediate visual impact |
| A fiberglass sculpture | Fiberglass is lighter and cheaper but cannot be made in corten steel’s weathering form and is not suitable for long-term outdoor exposure |
Use Guide
Fitting and Running It
- Set the 200 CM size against the scale of the park square, not against a catalogue image
- Place the sphere where it can be seen from multiple angles and where the rust surface interacts with light
- Allow for a foundation that can support the weight and resist movement in wind or rain
- Avoid placing near porous surfaces that could stain from rust runoff during initial weathering
- Specify the site’s exposure to rain and wind to confirm the piece is suitable for the location
- Plan 25 to 30 days for production plus 15 to 20 days for transport from the factory to the site
Questions Buyers Ask
2000mm outdoor park square corten steel sphere Questions
What size is this corten steel sphere and can it be made larger?
The listed size for this piece is 200 CM, and like most of this catalogue it is also made to custom size. The company states corten steel spheres from 25 mm up to 10 m in diameter.
Which material is used and can it be changed?
This sphere is made from corten steel only. It is not available in stainless steel, bronze or other materials. The material is chosen for its weathering properties.
How long does it take to produce and deliver this sphere?
The listing states a production time of 25 to 30 days. Transport takes 15 to 20 days. Work back from the installation date to plan the order.
How is the corten steel surface finished?
The surface is left to weather naturally. No polishing, painting or coating is applied. The rust patina forms over time when exposed to the elements.
How is the sphere packed for shipping?
In an outer standard wooden crate with inner plastic or foam protection. This is standard for all corten steel sculptures to prevent surface damage.
Can you build one from a photo I have?
Yes. The workshop takes orders according to a photograph or a drawing from the customer. Send the reference image, the diameter you want and where it will stand.
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Send the liquid, the pressure at the nozzle and the thread on your header. Trial samples can be sent free of charge and samples can be ready within 10 days.