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เหล็กรูปพรรณดำ
Carbon
เหล็กกล่องแบน รูปพรรณดำ
Rectangular Pipe Carbon Steel
![เหล็กกล่องแบนดำ.png](https://static.wixstatic.com/media/fd8e64_864fd28fd67e42aa804a3b9a6fa30042~mv2.png/v1/fill/w_481,h_314,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%87%E0%B8%81%E0%B8%81%E0%B8%A5%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B9%81%E0%B8%9A%E0%B8%99%E0%B8%94%E0%B8%B3.png)
เหล็กกล่องแบน รูปพรรณดำ
Rectangular Pipe Carbon Steel
or galvanized square steel (Square Tube), which steel has been coated in galvanization It has a natural corrosion rate that is approximately 60 times lower than that of steel. More than 7 years of rust-proof properties
Raw material of steel : It is made of galvanized steel coil or hot dipped steel coil. The standard zinc coating thickness is 60-100 g/m² depending on the shape of each steel according to the standard of each steel.
Recommended application features: Basic corrosion and rust resistance Suitable for general construction Not suitable for work in the sea
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