Dual steel stringer open risers with wood stair treads and stainless steel horizontal railing stair

Staircase width: 800-1200mm, can be customized according to customer needs. The floor to floor height range is 2500-4000 mm, but we also offer custom services for other heights.

We choose a wide variety of woods, including beech, oak, maple, ash, cherry, mahogany and walnut and other quality materials, to meet the decoration style and personal preferences of different customers.

When it comes to the design of railings or handrails, we offer a variety of options: a vertical steel spindle with horizontal rail, or a glass panel as a railing, which is both beautiful and practical. In addition, we also provide strings or beams made of 50mm thick wood or 42mm thick steel (stainless steel or mild steel) to ensure a stable and durable stair structure.

For strings or beams, we recommend the use of 2001006 rectangular RHS or 300x12 double plate steel, these specifications can meet the load bearing needs of stairs. At the same time, we also offer a variety of surface treatments for customers to choose from, such as powder spraying, primer, galvanizing, spray painting and chrome plating to ensure smooth and beautiful surfaces and long service life.

316 is two common grades of stainless steel, both of which have good corrosion resistance, but the specific scenarios are slightly different:

304 stainless steel: This is a general-purpose stainless steel material that contains approximately 18% chromium and 8% nickel. It is very resistant to the corrosive conditions encountered in most domestic and commercial environments, including the food processing industry. However, under extreme conditions (such as prolonged exposure to salt water or chemicals), its corrosion resistance may be reduced.

316 stainless steel: Compared with 304, 316 increases the proportion of molybdenum elements, which makes it show stronger corrosion resistance in the face of more harsh environments. Therefore, for places close to the sea or where there is frequent contact with high salinity water, 316 is more suitable as a material. In addition, due to its excellent resistance to chloride stress corrosion cracking, 316 is also commonly used in the medical field and some special industrial applications.

When considering the installation of stainless steel handrails and railings for outdoor stairs and balcony decks, in addition to choosing the appropriate material type, the following points should also be noted:

Ensure that the selected products comply with local building code requirements;

Consider safety factors, such as height, spacing, etc. to meet standards;

According to the actual use of regular maintenance, in order to extend the service life and keep the appearance clean and beautiful.

I hope this information can help you! If you have more specific requirements or other relevant questions, please feel free to let us know.