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Channel steel

Channel steel

Different concepts C-section steel is processed by hot coil plate cold bending, thin wall and light weight, excellent section performance, high strength, compared with the traditional channel steel, the same strength can save about 30% of the material. Channel steel is hot rolled production, directly supplied by the steel plant, and the thickness of the larger, the section shape of the groove shaped strip of steel.

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Rebar

Rebar

Rebar is the common name of hot rolled ribbed steel bar; According to the purpose of the rebar is classified into ordinary reinforcement and concrete reinforcement. According to the appearance, it is divided into belt reinforcement and light round reinforcement; Ribbed bars usually have or do not have longitudinal ribs.

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Carbon steel square pipe

Carbon steel square pipe

Carbon steel pipes are divided into hot rolled and cold rolled (drawn) steel pipes. Hot rolled carbon steel pipe is divided into general steel pipe, low and medium pressure boiler steel pipe, high pressure boiler steel pipe, alloy steel pipe, stainless steel pipe, petroleum cracking pipe, geological steel pipe and other steel pipes. Cold rolled (dial) carbon steel pipe in addition to general steel pipe, low and medium pressure boiler steel pipe, high pressure boiler steel pipe, alloy steel pipe, stainless steel pipe, oil cracking pipe, other steel pipe, also includes carbon thin-wall steel pipe, alloy thin-wall steel pipe, stainless thin-wall steel pipe, special-shaped steel pipe. The outer diameter of the hot-rolled seamless pipe is generally greater than 32mm, the wall thickness is 2.5-75mm, the outer diameter of the cold-rolled seamless steel pipe can be 6mm, the wall thickness can be 0.25mm, the outer diameter of the thin-walled pipe can be 5mm, the wall thickness is less than 0.25mm, and the size accuracy is higher than that of the hot-rolled seamless pipe. General carbon steel pipe: is made of 10, 20, 30, 35, 45 and other high-quality carbon junction steel 16Mn, 5MnV and other low alloy structural steel or 40Cr, 30CrMnSi, 45Mn2, 40MnB and other alloy steel hot rolled or cold rolled. Seamless pipes made of low carbon steel such as 10 and 20 are mainly used for fluid transport pipelines. 45, 40Cr and other medium carbon steel seamless pipe to manufacture mechanical parts, such as cars, tractor parts. Generally used carbon steel pipe to ensure strength and flattening test. Hot-rolled steel pipes are delivered in hot-rolled or heat-treated condition; Delivered cold rolled in heat-treated condition.

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hot rolled steel plate

hot rolled steel plate

Hot rolled steel plate is made of continuous casting slab or rolling slab as raw material, heated by stepping furnace, descaled by high pressure water into roughing mill, roughing mill through cutting head, tail, and then into finishing mill, implementation of computer controlled rolling, after the final rolling after laminar cooling (computer controlled cooling rate) and coiler winding, straight coil. The head and tail of straight hair curl are often tongue and fishtail, and the thickness and width are poor. The edge often has defects such as wave shape, hem and tower shape. Its coil weight is heavy, the inner diameter of the steel coil is 760mm.

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Galvanized steel wire

Galvanized steel wire

Galvanized steel wire is made by drawing high-quality carbon structural steel such as 45#, 65#, 70#, and then galvanizing (electrogalvanizing or hot-dip galvanizing).

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Galvanized welded steel pipe

Galvanized welded steel pipe

In order to improve the corrosion resistance of steel pipes, general steel pipes (black pipes) are galvanized. Galvanized steel pipes are divided into hot-dip galvanizing and electro-galvanizing. Hot-dip galvanizing has a thick galvanized layer, while electro-galvanizing has a low cost.

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Galvanized seamless steel pipe

Galvanized seamless steel pipe

Hot-dip galvanized seamless steel pipe: The hot-dip galvanizing amount is higher, and the average galvanized layer thickness is above 65 microns. Its corrosion resistance is much higher than that of hot-dip galvanized pipe.

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