CARACTERISTICAS DEL ACERO

in acero •  7 years ago 

Material fácil de conformar en frío y en caliente.
Material fácil de mecanizar, ensamblar y proteger contra la corrosión.
Bajo coste unitario en comparación con otros materiales.
Alta disponibilidad, su producción es 20 veces mayor al resto de materiales metálicos no férreos.
Material altamente adaptable.
Fácilmente reciclable: Se puede usar chatarra como materia prima para la producción de nuevo acero.

Corrosión: El acero expuesto a intemperie sufre corrosión por lo que deben recubrirse siempre exceptuando a los aceros especiales como el inoxidable.

Calor, fuego: En el caso de incendios, el calor se propaga rápidamente por las estructuras haciendo disminuir su resistencia hasta alcanzar temperaturas donde el acero se comporta plásticamente, debiendo protegerse con recubrimientos aislantes del calor.

Pandeo elástico: Debido a su alta resistencia/peso el empleo de perfiles esbeltos sujetos a compresión, los hace susceptibles al pandeo elástico, por lo que en ocasiones no son económicos las columnas de acero.

Fatiga: La resistencia del acero (así como del resto de los materiales), puede disminuir cuando se somete a un gran número de inversiones de carga o a cambios frecuentes de magnitud de esfuerzos a tensión.

acero caracteristicas propiedades mecanocas
7 years ago by

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      ·  7 years ago 

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      ·  7 years ago 

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