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Hot-Rolled UPN Channels
Description
Technical Characteristics
Brochures
Sales Network
Technical Characteristics
GENERAL FEATURES
TYPE
Hot-Rolled round edge channels (UPN)
STEEL GRADE
RSt 37-2 according to DIN 17100 (S235JR according to EN10025)
RSt 44-2 according to DIN 17100 (S275JR according to EN10025)
FORM-DIMENSIONS
Straight bars with height from 80 to 140 mm
LENGTH - TOLERANCESBar length: 6 / 12 m with +/- 50 mm tolerance
PACKING - WEIGHTBundles. Weight up to 5,200 Kg per bundle
DIMENSIONS, WEIGHT & TOLERANCESAccording DIN 1026, FN-S99-10-2000

Steel Chemical Composition & Mechanical Properties
Steel Grade
Chemical Composition
Mechanical Properties
C (%) max
P (%) max
S (%) max
Yield Strength
(N/mm2) min
Tensile Strength
(N/mm2)
Elongation 5d0,
(%) min
RSt 37-2
0,20
0,045
0,045
225
340-470
24
RSt 44-2
0,21
0,045
0,045
265
410-560
20

Dimensions, Weight & Tolerances of Channels UPN
Prod.
h
Dimensions
mm
Nom-
inal
cross
sec.
cm2
Nom-
inal
weight
kg/m
Nom-
inal
surface
area
m2/m
Section
Mod.
Perm-
issible
var.
for
(h)
b
Perm-
issible
var.
for
(b)
s
Perm-
issible
var.
for
(s)
t
Nom-
inal
var.
for
(t)
Wx
Wy
U80
80
±2,0
45
±1,5
6,00
±0,5
8,0
-0,5
11,00
8,64
0,31
26,50
6,36
U100
100
±2,0
50
±1,5
6,00
±0,5
8,5
-0,5
13,50
10,60
0,37
41,20
8,49
U120
120
±2,0
55
±1,5
7,00
±0,5
9,0
-0,5
17,00
13,40
0,43
60,70
11,10
U140
140
±2,0
60
±1,5
7,00
±0,5
10,0
-0,5
20,40
16,00
0,49
86,40
14,80

Flanges' out of parallel (K) & Base bending (F)
Profile
At a distance up to 500mm from both
ends of the bar, not more than: (mm)
For the remaining part of the bar
not more than: (mm)
K
F
K
F
U80
-1,5 / + 2,0
-1,0 / + 1,5
-1,0 / + 1,5
-1,0 / + 1,0
U100
-1,5 / + 2,0
-1,0 / + 1,5
-1,0 / + 1,5
-1,0 / + 1,0
U120
-1,5 / + 2,0
-1,0 / + 1,5
-1,0 / + 1,5
-1,0 / + 1,0
U140
-1,5 / + 2,0
-1,0 / + 1,5
-1,0 / + 1,5
-1,0 / + 1,0


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