High-quality carbon structural steel - Building Materials...

High-quality carbon structural steel

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Description

Steel No. 20 steel, 45 steel, 65Mn

Specifications 12mm-300mm

Implementation standard GB/T699-2015

Quality grade National standard

Purpose Mainly used for manufacturing general structure and mechanical structure parts and components, building structure parts and pipelines for conveying fluids. Depending on the use requirements, it is sometimes necessary to use it after heat treatment (normalizing or quenching and tempering).