Z40 SGH440 Galvanized Square Pipe/TubeGalvanized square pipe is a kind of hollow square section steel pipe with hot rolled or cold-rolled galvanized strip or galvanized coil as billet after cold bending processing and forming and then made by high-frequency welding, or the cold-formed hollow steel pipe prepared in advance and then processed by hot dip galvanizing.- Z40 SGH440 Galvanized Rectangular Pipe/TubeGalvanized square pipe is a kind of hollow square section steel pipe with hot rolled or cold-rolled galvanized strip or galvanized coil as billet after cold bending processing and forming and then made by high-frequency welding, or the cold-formed hollow steel pipe prepared in advance and then processed by hot dip galvanizing.
- Z40 S350GD Galvanized Pipe/TubeGalvanized steel pipes are divided into cold galvanized steel pipes and hot galvanized steel pipes. Welded steel pipe with hot-dip or electro galvanized coating on the surface of galvanized steel pipe. Galvanizing can increase the corrosion resistance of steel pipes and prolong their service life.
- Z60 DX51D Galvanized Rectangular Pipe/TubeGalvanized square pipe is a kind of hollow square section steel pipe with hot rolled or cold-rolled galvanized strip or galvanized coil as billet after cold bending processing and forming and then made by high-frequency welding, or the cold-formed hollow steel pipe prepared in advance and then processed by hot dip galvanizing.
- Z60 SGH440 Galvanized Pipe/TubeGalvanized steel pipes are divided into cold galvanized steel pipes and hot galvanized steel pipes. Welded steel pipe with hot-dip or electro galvanized coating on the surface of galvanized steel pipe. Galvanizing can increase the corrosion resistance of steel pipes and prolong their service life.
- Z60 DX51D Galvanized Square Pipe/TubeGalvanized square pipe is a kind of hollow square section steel pipe with hot rolled or cold-rolled galvanized strip or galvanized coil as billet after cold bending processing and forming and then made by high-frequency welding, or the cold-formed hollow steel pipe prepared in advance and then processed by hot dip galvanizing.
- Z100 SGH490 Galvanized Square Pipe/TubeGalvanized square pipe is a kind of hollow square section steel pipe with hot rolled or cold-rolled galvanized strip or galvanized coil as billet after cold bending processing and forming and then made by high-frequency welding, or the cold-formed hollow steel pipe prepared in advance and then processed by hot dip galvanizing.
- Z120 SGH400/S350GD Galvanized Square Pipe/TubeGalvanized square pipe is a kind of hollow square section steel pipe with hot rolled or cold-rolled galvanized strip or galvanized coil as billet after cold bending processing and forming and then made by high-frequency welding, or the cold-formed hollow steel pipe prepared in advance and then processed by hot dip galvanizing.
- Z40 S550GD/DX52D Galvanized Square Pipe/TubeGalvanized square pipe is a kind of hollow square section steel pipe with hot rolled or cold-rolled galvanized strip or galvanized coil as billet after cold bending processing and forming and then made by high-frequency welding, or the cold-formed hollow steel pipe prepared in advance and then processed by hot dip galvanizing.
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