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Turkish Standard Deformed Steel Bar

TS 708-VCH Deformed Steel Bar Specifications

Turkish Standard Deformed Steel Bar TS 708-VCH Specifications

TS 708 – VCH Deformed Steel Bar Specifications
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. Tolerance %
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
AKMA ( N / mm2 ) ( Min. ) VCH I a VCH III a VCH IV a
220 420 500
Pull (N / mm 2) (Min.) 340 500 550
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 + ————- + ——————- + —————–
6 5 15