S355J2H Galvanized square pipe is a kind of galvanized square steel pipe with good corrosion resistance and mechanical properties. Its surface is covered with a layer of zinc, which can effectively resist corrosion in the atmosphere, water and soil, thus prolonging the service life of the square pipe.

S355J0H Galvanized square pipe is a kind of galvanized square steel pipe with good corrosion resistance and mechanical properties. Its surface is covered with a layer of zinc, which can effectively resist corrosion in the atmosphere, water and soil, thus prolonging the service life of the square pipe.

Galvanized square pipe is a kind of galvanized square steel pipe with good corrosion resistance and mechanical properties. Its surface is covered with a layer of zinc, which can effectively resist corrosion in the atmosphere, water and soil, thus prolonging the service life of the square pipe.

Galvanized square pipe is a kind of galvanized square steel pipe with good corrosion resistance and mechanical properties. Its surface is covered with a layer of zinc, which can effectively resist corrosion in the atmosphere, water and soil, thus prolonging the service life of the square pipe.

Galvanized square pipe is a kind of galvanized square steel pipe with good corrosion resistance and mechanical properties. Its surface is covered with a layer of zinc, which can effectively resist corrosion in the atmosphere, water and soil, thus prolonging the service life of the square pipe.

Galvanized square pipe is a kind of galvanized square steel pipe with good corrosion resistance and mechanical properties. Its surface is covered with a layer of zinc, which can effectively resist corrosion in the atmosphere, water and soil, thus prolonging the service life of the square pipe.

Galvanized square pipe is a kind of galvanized square steel pipe with good corrosion resistance and mechanical properties. Its surface is covered with a layer of zinc, which can effectively resist corrosion in the atmosphere, water and soil, thus prolonging the service life of the square pipe.

S355JR Carbon square pipe is a common construction material, mainly made of carbon or alloy steel. Its chemical composition includes elements such as carbon, silicon, manganese, sulfur and phosphorus, among which the carbon content accounts for a higher proportion of the total weight. The manufacturing process of carbon square pipe mainly includes hot rolling, cold drawing and cold drawing.

S235JR Carbon square pipe is a common construction material, mainly made of carbon or alloy steel. Its chemical composition includes elements such as carbon, silicon, manganese, sulfur and phosphorus, among which the carbon content accounts for a higher proportion of the total weight. The manufacturing process of carbon square pipe mainly includes hot rolling, cold drawing and cold drawing.