Estrutura metálica

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TECHNICAL INFORMATION

tf

R

bf

d

tw

Y tf R d’

d

X

Structural Shapes Gerdau Açominas

tw

h

tf bf

GERDAU AÇOMINAS SHAPES

Hot-rolled W and HP Shapes from 6 to 24 inches (150 to 610 mm) In compliance with ASTM A6/A6M specifications Certified Guarantee Available for prompt delivery in ASTM A572 grade 50, in standard length of 12 m for all sizes or 6 m for sizes up to 12 inches (310 mm) Other cuts and steel specifications produced by special order

CHARACTERISTICS AND TOLERANCES

MECHANICAL PROPERTIES
ASTM A 572 Grade 50 Yield Point (MPa) Tensile Strength (MPa) Elongation, % (lo=200mm) 345 min. 450 min. 18 min. COR 500 370 min. 500 min. 18 min.

WEB OFF CENTER

Web off center (E)
E= bf1 - bf2 2 E

Tolerance d 5 mm ; E 3/16 in

bf1

bf2

bf

DIMENSIONS
Y

Depth (d)
Over Altura 4 mm 1/8 in Under 3 mm 1/8 in

Flange width (bf)
Theoretical Altura 6 mm 1/4 in Theoretical 5 mm 3/16 in Y bf d x tW R x

tf

CHARACTERISTICS AND TOLERANCES

FLANGES OUT OF SQUARE bf bf

(T + T´)
T´ T´

Height (h) d d d 310 mm d > 310 mm T d 12 in d > 12 in

Tolerance
T + T´ 6 mm T + T´ 8 mm T + T´ 1/4 in T + T´ 5/16 in

T

STRAIGHTNESS

Ef bf L

Straightness
Web (Ea) Flange (Ef)

Condition
___ bf < 150 mm bf > 150 mm

Tolerance
1,0 mm/m 2,0 mm/m 1,0 mm/m 1/8 in/(feet/10) 1/8 in/(feet/5) 1/8 in/(feet/10)

Web (Ea) d Ea Flange (Ef)

___ bf < 6 in bf > 6 in

ENDS OUT OF SQUARE

Depth (d)

q and q’
(max)

bf q´ q d

sizes with depth equal 1,6 % of depth to or less than 650 mm sizes with depth equal 1,6 % of depth to or less than 26 in

STRUCTURAL SHAPES
ASTM Weight d DESIGNATION mm x kg/m kg/m mm bf mm THICKNESS tw tf mm mm h mm d’ mm Area cm
2

Ix cm
4

AXIS X - X Wx rx cm
3

Zx cm
3

Iy cm
4

AXIS Y - Y Wy ry cm
3

SECTION Zy cm
3

rt cm

It cm
4

Cw bf /2tf d’/tw cm
6

u m /m
2

cm

cm

ASTM DESIGNATION in x lb/ft

W 150 x 13,0 W 150 x 13,5 W

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