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Major Function

Hot rolled steel coil widely used in ships, automobiles, bridges, construction, machinery, pressure vessels and other manufacturing industries. Also it is produced into hot rolled steel strip for lashing or packaging.

Product Details

Welding Precautions for Hot Rolled Steel Coil Products

1. Due to the good welding performance of hot-rolled carbon steel coil flat products, the welding requirements are not too high in the case of not thick plates, and the AC spot welding machine can meet the welding requirements.
2. If the equipment cost allows, try to use the medium frequency inverter spot welding machine to spot weld the mil steel plate. The welding effect is better, the nugget and the welded joint will be more perfect.
3. There are cold-rolled steel plates and hot-rolled steel plates. Cold-rolled steel plates do not need special cleaning before welding, while hot-rolled steel plates must remove impurities such as oxidation, rust, and oil stains on the surface.
4. If the capacity of the spot welding machine used allows, it is recommended to use hard specification welding to reduce the influence of thermal diffusion on the product and also reduce the deformation of the product.

Product parameters

Products name

Carbon Steel Coil


materials

Q345B,Q345C,Q345D,Q345E,Q390,Q390B,Q390C,
Q390D,Q390E,Q420,Q420B,Q420C,Q420DQ420E,
Q460,Q460D,Q500C,Q500D,Q500E,Q550C,Q550D,
Q550E,Q620C,Q620D,Q620E,Q690A, Q690B,Q690C,

standard

ASTM、JIS、EN

Thickness

0.12-6.00mm,or customer's requirement

Width

600mm-1500mm, according to customer's requirement

Type of Coating

Hot Dipped Galvanized Steel



Surface Treatment

Finish: PVDF, HDP, SMP, PE, PU

Primer: polyurethane, epoxy, PE

Back paint: epoxy resin, modified polyester

Application

Construction, machinery manufacturing, container manufacturing, shipbuilding, bridges, etc.

Package

Water proof paper is inner packing,galvanized steel or coated steel sheet is outer packing , side guard plate,then wrapped by
seven steel belt.or according to customer's requirement

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