TS 708-VCH Specification

 
TS 708 – VCH III A / VCH IV A
RATED DIAMETER
WEIGHT
CUT AREA
EN to the Ribs
Longitudinal Ribs
Pitch / STEP
( mm )
Ribs TIP DISTANCE
( ~ )
Kg / m.
Tolerance %
Height 
( mm. )
Width
( mm. )
Height 
( mm. )
Height 
( mm.)
(mm.)
Nominal
mm2
Min.
Max.
Max.
Max.
Min.
Max.
Min.
Max.
mm.
8
0.395
+4
-6
50.3
0.4
0.8
0.8
0.8
0.48
1.12
4.0
8.0
2.4
10
0.617
78.5
0.5
1.0
1.0
1.0
0.60
1.40
5.0
10.0
3.0
12
0.888
113.0
0.6
1.2
1.2
1.2
0.72
1.68
6.0
12.0
3.6
14
1,210
154.0
0.7
1.4
1.4
1.4
0.84
1.96
7.0
14.0
4.2
16
1,580
201.0
0.8
1.6
1.6
1.6
0.96
2.24
8.0
16.0
4.8
18
2,000
254.4
0.9
1.8
1.8
1.8
1.08
2.52
9.0
18.0
5.0
20
2,470
314
1.0
2.0
2.0
2.0
1.20
2.80
10.0
20.0
6.0
22
2,985
380.0
1.1
2.2
2.2
2.2
1.32
3.08
11.0
22.0
6.6
24
3,550
452.3
1.2
2.4
2.4
2.4
1.44
3.36
12.0
24.0
7.2
25
3,850
491.0
1.25
2.5
2.5
2.5
1.50
3.50
12.0
25.0
7.5
26
4,168
531.0
1.3
2.6
2.6
2.6
1.56
3.64
13.0
26.0
7.8
28
4,830
616.0
1.4
2.8
2.8
2.8
1.68
3.92
14.0
28.0
8.4
30
5,550
706.5
1.5
3.0
3.0
3.0
1.80
4.20
15.0
30.0
9.0
32
6,310
804.0
1.6
3.2
3.2
3.2
1.92
4.48
16.0
32.0
9.6
40
9,860
1256.0
2.0
4.0
4.0
4.0
2.40
5.60
20.0
40.0
12.0
50
1,5410
1963.5
2.5
5.0
5.0
5.0
3.00
7.00
25.0
50.0
15.0
 
TS 708, VCH I a FLAT SURFACE STEEL BARS
Rated Diameter
Tolerance
Max. Of OVAL
Weight
Cut
Area
Kg / m.
Tolerans
%
Diameter
mm.
Tolerance
mm.
mm.
Nominal
mm2
6
± 0.4
0.64
0.222
'+ 4
– 6
28.3
8
0.395
28.3
10
0.617
28.3
12
0.888
28.3
14
1,210
28.3
16
± 0.5
0.80
1,580
201.0
18
2,000
254.4
20
2,470
314.0
22
2,985
380.0
24
3,550
452.3
25
± 0.6
0.96
3,850
452.3
26
4,168
531.0
28
4,830
616.0
MECHANICAL PROPERTIES TEST
AKMA ( N / mm2 ) ( Min. )
VCH I a
VCH III a
VCH IV a
220
420
500
Pull (N / mm 2) (Min.)
340
500
550
Akma / Pull ( Min. )
1.20
1.10
1.08
Elongation
Lo = 10 x d
Ø 6-28( Min.)
Ø 32-50( Min.)
18
18
12
10
12
10
VCH I A
FLAT ROUND (branded)
VCH III A
VCH IV A
 
CHEMICAL PROPERTIES
 
VCH I A
VCH III A
VCH IV A
Casting
Max.
Product
Max.
Casting
Max.
Product
Max.
Casting
Max.
Product
Max.
Carbon %
C
0.25
0.27
0.40
0.42
0.22
0.24
Phosphorus %
P
0.050
0.055
0.050
0.055
0.050
0.055
Sulfur %
S
0.050
0.055
0.050
0.055
0.050
0.055
Nitrogen %
N
0.012
0.013
Carbon Equivalent
CE
0.50
0.52
 
                                              Mn              Cr+Mo+V               Ni+Cu     
CE = C + ————- + ——————- + —————–

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