ELOT 971 : 90 Specification

 
ELOT 971: 1990 S 500 S
Rated
Diameter
Nominal Cross Section Area
Weight
EN to the ribs (mm)
Longitudinal Ribs (mm)
Pitch / STEP
mm
Ribs TIP
Distance
mm.
Kg / m
Tolerance
%
Height
Width
Height
Width
mm.
mm2
 
 
min.
max.
min.
max.
min.
max.
min.
max.
min.
max.
min.
max.
6
28.3
0.222
± 10
0.39
0.6
0.48
0.72
0.3
0.6
0.48
0.72
3,.57
4.83
0.6
1.2
8
50.3
0.395
± 8
0.52
0.8
0.64
0.96
0.4
0.8
0.64
0.96
4.76
6.44
0.8
1.6
10
78.5
0.617
0.65
1.0
0.8
1.2
0.5
1.0
0.8
1.2
5.52
7.47
1.0
2.0
12
113
0.888
0.78
1.2
0.96
1.44
0.6
1.2
0.96
1.44
6.12
8.28
1.2
2.4
14
154
1.21
± 6
0.91
1.4
1.12
1.68
0.7
1.4
1.12
1.68
7.14
9.66
1.4
2.8
16
201
1.58
1.04
1.6
1.28
1.92
0.8
1.6
1.28
1.92
8.16
11.04
1.6
3.2
18
254
2.00
1.17
1.8
1.44
2.16
0.9
1.8
1.44
2.16
9.18
12.42
1.8
3.6
20
314
2.47
1.3
2.0
1.6
2.4
1.0
2.0
1.6
2.4
10.2
13.8
2.0
4.0
22
380
2.98
± 5
1.43
2.2
1.76
2.64
1.1
2.2
1.76
2.64
11.22
15.18
2.2
4.4
25
491
3.85
1.63
2.5
2.0
3.0
1.25
2.5
2.0
3.0
12.75
17.25
2.5
5.0
28
616
4.83
1.82
2.8
2.24
3.36
1.4
2.8
2.24
3.36
14.28
19.32
2.8
5.6
32
804
6.31
2.08
3.2
2.56
3.84
1.6
3.2
2.56
3.84
16.32
22.08
3.2
6.4
 
Mechanical Properties Test
Quality
Akma ( N / mm2)
Pull ( N / mm2)
Elongation%
min
min
min
S 500 S
500
550 ( min. AK x 1.05 )
12
Chemical Composition
Element
S 500 S % max.
Ribs Method
Casting
Product
C
0.22
0.24
8.19
P
0.050
0.055
S
0.050
0.055
N
0.012
0.013
CE
0.50
0.53
       
                    Mn             Cr+Mo+V              Ni+Cu     
CE = C + ————- + ——————- + —————–
                      6                       5                        15