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Indoor / Interior Cast Iron Spiral Stairs

Cast iron spiral staircase is made of cast grey iron, it's strong material, diameter from 1080mm to 1660mm. can be used for indoor and outdoor.

Product Description

Spiral Staircase

We offer a wide range of indoor stairs that can be matched to the design of your current space. Our galvanised deck spiral staircases feature a carbon steel frame and are given a maintenance-free finish through a hot-dipped galvanising process. Every part of the staircase, including the connecting hardware, has been carefully designed to withstand all weather conditions. Our powder coated aluminium is available in bespoke colour finishes that will enhance the aesthetics of your deck and provide a long-lasting outdoor stair solution.


Weatherproof and maintenance-free finishes
High quality rust-proof materials
Anti-slip treads and additional railings
Lifetime guarantee on metal fabrication


Name Cast iron spiral staircase M1880 
Material Made of cast grey iron
Size Diameter 1080 mm 
Main part Stair Steps, Stair Baluster, balustrade baluster(if need), handrailing 
Our Model M1880, M1890, M1895, M1900,M1910( also can make as your sample)
Surface treatment We can make painting on surface(antirust primer pain+finish painting) 
Feature Easy to locate and fix, durable surface treatment.
Beautiful and elegant , favorable price. 
Usage outdoor or indoor 

Cast Iron Spiral Staircase Model

 Spiral Staircase Outdoor

Our staircase can be used for indoor and outdoor, when you want to go to second floor from outside, when you want to save space when installing a staircase, you can choose our model. we have both clockwise and anticlockwise direction of this staircase. they can save the space of your home, decorate your life. 

Spiral Staircase Outdoor

About us 

Shijiazhuang Shenghongyuan, a manufacturer and trade company who is specialized in exporting Metal art products and building Metal products.

We have cast iron spiral staircase diameter from 1080mm to 1660mm, our staircase is with ancient Roma fashion style named as M1880, M1890, M1895, M1900 and M1910. We supply staircase steps, balusters, handrails as well as accessories for installing. It can be installed both indoor and outdoor, Our staircases are widely welcomed by customers from all over the world.

We are producing casting decorative ornamental, including casting spearheads, collars, flowers, leaves, panels, balusters, caps and so on. The material can be cast iron, cast steel as well as cast aluminum. These products are widely used for metal fence, gate, balcony and railing.

Besides, we develop quickly in the fields of steel finished products, such as gate, fence, gazebo, as well as precision casting.

“Super quality together with competitive price” is always our first priority and consistent pursuit.

Let us work hard, make mutual benefits and create the bright future hand in hand together




Q1: Are you manufacturer of cast iron spiral staircase? 

A: Yes, we are casting factory, manufacturer of cast iron spiral staircase.

Q2: How long is your production time of the staircase?

A:  It usually takes 30 days. 

Q3: What’s the diameter I can choose of the staircase?

A: You can choose from diameter 1080mm, 1300mm, 1530mm, 1560mm, 1660mm.

Q4: Can you make paint on the surface of staircase?

A: Yes, we can make black paint on the staircase.

Q5: What’s the minimum order quantity of the staircase?

A: 1 set is acceptable.

Q6: What’s your packing of the staircase?

A: The staircase is packed in iron pallet.


Contact Us

Email: sales@thenghongyuan.com

Mob.: +86 185 0311 6849

Mob.: +86 133 3321 5543

Tel.: +86 311 6726 0671

Fax: +86 311 6801 0847

WeChat: +86 185 0311 6849

Skype: xiaoshuang1978

Whatsapp: +86 185 0311 6849

Whatsapp: +86 133 3321 5543

Add.: Room 1604, Building 3, Area B3, Ruicheng, No. 581, Zhongshan Road, Chang’an District, Shijiazhuang City, Hebei Province, China

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