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![Untitled-5.png](https://static.wixstatic.com/media/fd8e64_57fc6dd8c0704f02a665dcf92edb8faa~mv2.png/v1/fill/w_49,h_6,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/fd8e64_57fc6dd8c0704f02a665dcf92edb8faa~mv2.png)
เหล็กกัลวาไนซ์
Hot-Dip
square steel box pre-galvanized
Square Pipe Pre-Zinc Galvanized Steel
![เหล็กกล่องเหลี่ยมชุบกัลวาไนซ์ HDG.jpg](https://static.wixstatic.com/media/fd8e64_fead34690a0741cd9314118913395414~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%80%E0%B8%AB%E0%B8%A5%E0%B8%B5%E0%B9%88%E0%B8%A2%E0%B8%A1%E0%B8%8A%E0%B8%B8%E0%B8%9A%E0%B8%81%E0%B8%B1%E0%B8%A5%E0%B8%A7%E0%B8%B2%E0%B9%84%E0%B8%99%E0%B8%8B%E0%B9%8C%20HDG.png)
![DMR.png](https://static.wixstatic.com/media/fd8e64_e548dc4cb9c24e9aa9bdd0c3473ecb5f~mv2.png/v1/fill/w_174,h_174,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/DMR.png)
![เหล็กกล่องเหลี่ยมชุบกัลวาไนซ์ HDG](https://static.wixstatic.com/media/fd8e64_0820fabf490d4681888ced811587456f~mv2.png/v1/crop/x_0,y_129,w_2172,h_1502/fill/w_240,h_166,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%80%E0%B8%AB%E0%B8%A5%E0%B8%B5%E0%B9%88%E0%B8%A2%E0%B8%A1%E0%B8%8A%E0%B8%B8%E0%B8%9A%E0%B8%81%E0%B8%B1%E0%B8%A5%E0%B8%A7%E0%B8%B2%E0%B9%84%E0%B8%99%E0%B8%8B%E0%B9%8C%20HDG.png)
square steel box pre-galvanized
Square Pipe Pre-Zinc Galvanized Steel (GI)
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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