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1. Classification
In addition to differences in product shape and properties, a certain classification has gradually developed, based on uses with widely varying requirements.
Product shape is a primary differentiating factor, with the following main categories:
plates and sheets ;
thin sheets ;
beams and sections ;
general-purpose bars and rounds ;
concrete products: bars and wire ;
wire rod ;
seamless tube rounds ;
rails and track equipment ;
semi-finished products.
The second differentiating factor is nuances or properties. A distinction is...
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Classification
Changes in manufacturing processes
Bibliography
Codes
CODAP is the French pressure vessel code, available from CETIM in Senlis, but there is now a standardized European code in 4 parts:
NF EN 12952 Water-tube boilers ;
NF EN 12953 Fire tube boilers ;
NF EN 13445 Unfired pressure vessels ;
NF EN 13480 Industrial piping.
Standards and norms
- Désignation et classification des nuances d'aciers. - NF EN 10020 - 09-00
- Produits laminés à chaud en aciers de construction. - NF EN 10025 - 03-09
- Produits plats laminés à chaud en acier à haute limite d'élasticité pour formage à froid. - NF EN 10149 - 12-95
- Bandes et tôles laminées à chaud en continu, en acier doux pour emboutissage ou pliage à froid. - NF EN 10111 - 07-98
- Produits sidérurgiques....
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