STANDARD :  GOST 8240-89

UPN

65, 80, 100

UPN

h

b

S

t

R

mm

R

mm

A
cm2

G
kg/m

GOST 8240-89

Z0,

cm

X – X

Y- Y

Ix, cm4

Wx, cm3

Ix, cm

Sx, cm3

Iy, cm4

Wy, cm4

Iy, cm

mm

65

65

36

4.4

7.2

6.0

2.5

7.51

5.90

48.6

15.0

2.54

9.0

8.70

3.68

1.08

1.24

80

80

40

4.5

7.4

6.5

2.5

8.98

7.05

89.4

22.4

3.16

23.30

12.80

4.75

1.19

1.31

100

100

46

4.5

7.6

7.0

3.0

10.90

8.59

174.0

34.8

3.99

20.40

20.40

6.46

1.37

1.44

Parameters, mm

SIZES

TOLERANCES

h – height

<=  80

± 1.5

80 – 140

140 – 180

± 2.0
 ± 2.5

180 – 300
300 – 400

± 3.0
 ± 3.5

b - width

<= 40

± 1.5

40 – 58
58 – 70
70 – 100

± 2.0
 ± 2.5
 ± 3.0

>= 100

± 3.5

t – thickness

<= 7.4
7.4 – 8.1

-0.7

8.1 – 9.3
9.3 – 10.2

-0.8

10.2 – 11.0
>=11

- 1.0

Curvature

-

≤ 02 % of L

L - Lenght

< 8 m

> 8 m

+ 40

+ 80