CHL/463
WTO/TBT
CL Chili
  • 77 - Métallurgie
2019-02-09
2019-01-11

Structural sections of cold-formed carbon steel manufactured using profiling machines, with a L, U, C, Z or special shape, for use in construction (bolted, riveted and welded structures), and for general structural purposes.

NCh3576:2018, Acero - Perfil abierto estructural de acero al carbono conformado en frío - Requisitos (Chilean Standard (NCh) No. 3576:2018: Steel - Open sections of cold-formed carbon steel - Requirements) (20 pages, in Spanish)

The notified Standard establishes the requirements to be met by structural sections of cold-formed carbon steel produced using profiling machines, with a L, U, C, Z or special shape, for use in construction (bolted, riveted and welded structures), and for general structural purposes.

It applies to sections with a nominal wall thickness of more than 1.5 mm and less than 25.4 mm. It does not apply to cold-formed sections manufactured through drawing, deep drawing or folding processes.

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