It is initially blue steel-colored or bright orange, and may bear manufacturing marks.
Through natural weathering (rain, sun exposure, and alternating wet and dry conditions), it gradually develops a copper-rust color.
The color gradually changes from orange to dark brown, eventually tending towards a rich, deep brown hue.
The entire process typically takes several months to several years, depending on climatic conditions.
2. Manufacturing Process
Processing techniques: laser cutting, bending, punching, welding, antiquing treatment
Surface treatment: Usually pre-rusted at the factory; some products can have customized surface effects.
Thickness specifications: Common thickness is 3mm–6mm to ensure structural strength.
Packing
Our service
Our company
Shanghai Kewei Technology Co.,Ltd. is specialized in developing and manufacturing all sorts of steel structure and modular houses since established.It has cultivated a group of high-quality professional technicians and on-site installation team, providing all-dimensional services for customers with enterprising and pragmatic attitude.From project conception, design, manufacture, construction to installation, we will do the best of our ability to provide the most scientific,reasonable and effective solution for customers.
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