S890QL Low Alloy Steel Plate

S890QL low alloy steel plate

S890QL low alloy steel plate surface quality requirements

The surface of the steel plate should be free of bubbles, scars, cracks, folds, inclusions, and pressed iron oxide scales that would affect its use and other harmful defects. Steel plates should not have visible delamination.

The surface of the steel plate is allowed to have thin layers of iron oxide scale and rust that do not hinder the inspection of surface defects, as well as inconspicuous roughness, reticulation, pitting, scratches and other local defects caused by pressing into the iron oxide scale and rollers, but their depth should not be It is greater than half the tolerance of the steel plate thickness, and the minimum allowable thickness of the steel plate should be guaranteed.

Defects on the surface of the steel plate are allowed to be removed by grinding and other methods. The cleaned area should be smooth and without edges. The cleaning depth should not be greater than the negative deviation of the steel plate thickness, and the minimum allowable thickness of the steel plate should be ensured.

S890QL low alloy steel plate uses:

S890QL steel is suitable for power towers, various lifting cranes, heavy-duty vehicles, oil derricks, high-temperature fans, large electric shovels, dump trucks and drilling rigs, coal mine hydraulic supports, steel structures, etc.

Since 2008, Gnee Group has provided quality steel products to more than 600 customers in more than 70 countries around the world. We have established long-term cooperative relationships with dozens of factories in China to ensure that our products are manufactured using high-quality materials and in sync with various international standards, with an annual export volume of more than 80,000 tons. Gnee Group is committed to becoming the world's most internationally competitive supply chain group, meeting the different needs of different customers, and truly realizing: one-stop service, making choice easier.

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