Stair handrail introduction : Stair railing is the support pole of the stair railing.
Classification of stair railings: polymer stair railings, wrought iron stair railings, stainless steel stair railings, wooden stair railings, glass stair railings, solid wood stair railings.
There are also some special stair railings: illuminated stair railings
Polymer stair railing:
Polymer stair railings, commonly known as environmentally friendly wood and excellent wood, are new materials widely used in developed countries in recent years. This product is a breakthrough new material in the low carbon era. It is tougher, lower carbon and more powerful than everyday plastics and solid wood. It can replace traditional handrails such as wood, aluminum and stainless steel. It combines all the advantages of wood, but it also eliminates all kinds of bad solid wood products. It has good processing performance, low manufacturing cost, corrosion resistance and insulation. With high strength, temperature resistance, corrosion resistance, thermal insulation, insulation and other properties. It has excellent flame retardancy and wear resistance. Natural texture, green safety, fresh and colorful, soft touch.
First, high-grade materials and processes:
1. Material: The national standard Q-235A grade steel is used.
2, welding process: the use of carbon dioxide gas shielded welding. (The welding point is uniform, the airtight performance is strong, and the firmness is good) The welding electrode.
Iron craft: Hand-forged wrought iron.
3, surface treatment:
Hot-dip galvanizing.
Electrostatic spray: no need of thinner material, no pollution to the environment, no toxicity to the human body; excellent appearance of coating, strong adhesion and mechanical strength; short curing time of spray coating; high corrosion resistance and wear resistance of coating; Primer is required; the construction is simple, the technical requirements for the workers are low; the cost is lower than the painting process; some construction occasions have clearly stated that the electrostatic spray process must be used; the common flow phenomenon in the painting process does not occur during the electrostatic spray coating process.
Second, mid-range materials and processes:
1. Material: Non-standard Q-220B grade steel is used.
2. Electric welding process: manual welding technology is adopted.
Iron craft: Most of them use cast iron or ordinary profiles.
3, surface treatment:
Cold galvanized or not galvanized.
Paint: Paints such as lighthouses produced in Tianjin and Wuxi are used.
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