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Perfiles estructurales de acero, vigas.
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Caracteristicas y especificaciones de las vigas de acero
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PERFILES ESTRUCTURALES DE ACERO, VIGAS.Ing. José Alexander Díaz R.
E-mail: capaguas.ve@gmail.com
Elaborado: Enero – 23 - 2.022
,COMPOSICIÓN QUÍMICA.
CALIDAD % C (MAX) % Mn (MAX) % P (MAX) % S (MAX)
1- AE-25 0.20 0.80 0.05 0.05
2- AE-35 0.30 0.90 0.05 0.05
3- ASTM A 36 0.25 ---- 0.04 0.05
4- ASTM A 572,GRADO 50 0.23 1.35 0.04 0.05
5- ST 37 - 2 0.20 ---- 0.06 0.05
6- ST 50 - 3 0.20 ---- 0.05 0.05
PROPIEDADES MECÁNICAS
Pto. de Cedente Esfuerzo max. Alargamiento
CALIDAD
Fy Kg/cm2. (min) F min Kg/cm2. % 50 mm.
1- AE-25 2500 3700 25
2- AE-35 3500 5500 22
3- ASTM A 36 2500 4100/5600 20
4- ASTM A 572. GRADO 50 3500 4500 21
5- ST 37 - 2 2400 3700/4500 25
6- ST 50 - 3 3600 5200/6200 22
, I= Momento de Inercia.
S= Momento de resistencia.
R= Radio de Inercia, siempre referidos
al eje de flexión correspondiente.
Calidades: Covenin 1293-85.
ASTM-A-36.
ST-37-2.
Nacionales
Momento respecto a los ejes
Dimensiones (mm) Área Peso EJE-X-X.... ... ....... EJE-Y-Y
IPN(I)
h b s t r1 r2 cm2 Kg/m Ry
Ix Sx Rx Iy Sy
cm4 cm3 cm cm4 cm3
cm
80 80 42 4.2 5.9 3.9 2.3 7.77 6.10 78.40 19.6 3.18 6.29 2.99 0.90
100 100 50 4.5 6.8 4.5 2.7 10.60 8.34 170.00 34.1 4.0 12.1 4.86 1.07
120 120 58 5.1 7.7 5.1 3.1 14.20 11.10 327.00 54.5 4.8 21.4 7.38 1.23
140 140 66 5.7 8.6 5.7 3.4 18.20 14.30 572.00 81.8 5.6 35.1 10.6 1.39
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