carta

Tablas de pesos y medidas (hierros, aceros y caños)
Perfiles laminados en caliente
1. Perfil ángulo de alas iguales.
2. Perfil Normal "U" - UPN.
3. Perfil Normal doble T - IPN.
4. Planchuelas de hierro.

Perfiles conformados en frío
5. Perfiles C.
6. Perfiles U.

Perfil ángulo de alas iguales
F = Sección
G = Peso
U = Superficie exterior por metro de perfil
J = Momento de inercia
W= Momento resistente
i = Radio de giro

Denominación

5/8" x 1/8"
3/4" x 1/8"
7/8" x 1/8"
1" x 1/8"
1" x 3/16"
1" x 1/4"
1 1/4" x 1/8"
1 1/4" x 3/16"
1 1/4" x 1/4"
1 1/2" x 1/8"
1 1/2" x 3/16"
1 1/2" x 1/4"
1 3/4" x 1/8"
1 3/4" x 3/16"
2" x 1/8"
2" x 3/16"
2" x 1/4"
2 1/4" x 3/16"
2 1/4" x 1/4"
2 1/2" x 3/16"
2 1/2" x 1/4"
3" x 1/4"
3" x 5/16"
3" x 3/8"
3 1/2" x 1/4"3 1/2" x 5/16"
3 1/2" x 3/8"
4" x 1/4"
4" x 5/16"
4" x 3/8"
4" x 1/2"

Dimensiones
a
b
ex=ey
mm
mm
cm
15.9
3.2
0.51
19.1
3.2
0.58
22.2
3.2
0.66
25.4
3.2
0.75
25.4
4.8
0.81
25.4
6.4
0.86
31.7
3.2
0.91
31.7
4.8
0.97
31.7
6.4
1.01
38.1
3.2
1.07
38.1
4.8
1.13
38.1
6.4
1.18
44.4
3.2
1.23
44.4
4.8
1.29
50.8
3.2
1.39
50.8
4.8
1.45
50.8
6.41.50
57.1
4.8
1.60
57.1
6.4
1.68
63.5
4.8
1.76
63.5
6.4
1.82
76.2
6.4
2.14
76.2
7.9
2.20
76.2
9.5
2.26
88.9
6.4
2.46
88.9
7.9
2.51
88.9
9.5
2.57
101.6
6.4
2.76
101.6
7.9
2.84
101.6
9.5
2.90
101.6 12.7
3.00

F
cm2
0.91
1.11
1.31
1.51
2.19
2.83
1.92
2.80
3.61
2.32
3.40
4.44
2.73
4.00
3.13
4.61
6.05
5.21
6.85
5.82
7.66
9.27
11.4713.60
10.89
13.49
16.02
12.51
15.50
18.44
24.19

G
Kg./m
0.7
0.9
1.0
1.2
1.8
2.2
1.5
2.2
2.8
1.8
2.7
3.4
2.1
3.1
2.4
3.6
4.7
4.1
5.4
4.6
6.1
7.3
9.1
10.7
8.6
10.7
12.6
9.8
12.2
14.6
19.0

Eje flexión x-x=y-y
Jx=Jy
Wx=Wy
ix=iy
cm4
cm3
cm
0.20
0.18
0.46
0.37
0.28
0.58
0.58
0.37
0.66
0.91
0.51
0.77
1.25
0.72
0.75
1.66
0.98
0.73
1.830.80
0.98
2.54
1.16
0.96
3.32
1.47
0.93
3.25
1.18
1.18
4.58
1.70
1.16
5.78
2.19
1.14
5.24
1.62
1.39
7.45
2.36
1.36
7.91
2.14
1.59
11.33
3.12
1.57
14.48
4.04
1.55
16.23
3.93
1.78
21.23
5.24
1.75
22.77
4.96
1.98
29.26
6.45
1.95
51.60
9.46
2.36
62.80
11.58
2.34
73.20
13.65
2.32
83.60
13.01
2.77
101.90
15.99
2.74
119.40
18.85
2.71
124.8018.02
3.17
154.60
21.10
3.15
181.30
24.90
3.12
231.40
32.30
3.10

Perfil Normal "U" - UPN
F = Sección
G = Peso
J = Momento de inercia
U = Superficie exterior por metro de perfil
W = Momento resistente
i = Radio de giro
Sx = Momento estático de media sección del
perfil
sx = Jx/Sx - Separación entre los centros de
tracción y compresión
Xm = Distancia del centro del esfuerzocortante al
eje y-y

Denominación

Dimensiones en mm

Eje flexión x-x Eje flexión y-y

F

U

Jx

Wx

ix

Jy

Wy

iy

Sx

sx

cm2 Kg./m m2 /m cm4 cm3 cm cm4 cm3 cm cm3 cm
30 15 4.0 4.5 2.0 2.21 1.74 0.103 2.53 1.69 1.07 0.38 0.39 0.42 30 33 5.0 7.0 3.5 5.44 4.27 0.174 6.39 4.26 1.08 5.33 2.68 0.99 40 20 5.0 5,5 - 5 2.5 3.66 2.78 0.142 7.58 3.79 1.44 1.14 0.86 0.56 40 355.0 7.0 3.5 6.21 4.87 0.199 14.1 7.1 1.50 6.68 3.08 1.04 50 25 5.0 6.0 3.0 4.92 3.86 0.181 16.8 6.7 1.85 2.49 1.48 0.71 50 38 5.0 7.0 3.5 7.12 5.59 0.232 26.4 10.6 1.92 9.12 3.75 1.13 60 30 6.0 6.0 3.0 4.46 5.07 0.215 31.6 10.5 2.21 4.51 2.16 0.84 65 42 5.5 7.5 4.0 9.03 7.09 0.273 57.5 17.7 2.52 14.1 5.07 1.25 80 45 6.0 8.0 4.0 11.00 8.64 0.312 106 26.5 3.10 19.4 6.36 1.33 15.9 6.65
100 50 6.0 8.54.5 13.50 10.60 0.372 206 41.2 3.91 29.3 8.49 1.47 24.5 8.42
120 55 7.0 9.0 4.5 17.00 13.40 0.434 364 60.7 4.62 43.2 11.1 1.59 36.3 10.0
140 60 7.0 10.0 5.0 20.40 16.00 0.489 605 86.4 5.45 62.7 14.8 1.75 51.4 11.8
160 65 7.5 10.5 5.5 24.00 18.80 0.546 925 116 6.21 85.3 18.3 1.89 68.8 13.3
180 70 8.0 11.0 5.5 28.00 22.00 0.611 1,35 150 6.95 114 22.4 2.02 89.6 15.1
200 75 8.5 11.5 6.0 32.20...