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reinforcement steel bars specification:
1-DEFORMED-REINFORCEMENT BARS:
The production of steel bars for construction
(reinforcing bars) including, all standard
diameters and standard lengths of 12 m and
special orders can be produced with different
lengths from 4 meters up to 12 meters.
The deformed bars are available in accordance
with (ASTM A 615) (grade 40) & (grade 60)
standard and may also can be produced to other
international standards, upon request.
Mechanical and Chemical Properties:
ا A-III , GOST 5781-57
ASTM A615 M
|
STANDARD |
SYSTEM SARKIS TUFENKJI Co. Partners |
|
SIZE Q |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
25 |
32 |
|
|
WEIGHT (W) |
min |
0.370 |
0.575 |
0.835 |
1.13 |
1.45 |
1.88 |
2.32 |
3.62 |
5.93 |
Kg/m |
| max |
0.395 |
0.615 |
0.885 |
1.20 |
1.60 |
2.00 |
2.50 |
3.80 |
6.30 |
OBLIQUE
RIBS |
HEIGHT
(As) |
min |
0.45 |
0.55 |
0.6 |
0.7 |
0.75 |
0.85 |
1 |
1.25 |
1.6 |
mm |
| max |
0.75 |
1 |
1.2 |
1.3 |
1.45 |
1.65 |
2 |
2.5 |
3.2 |
| WIDTH
(Bs) |
min |
0.65 |
0.8 |
0.95 |
1.15 |
1.3 |
1.5 |
1.6 |
2 |
2.5 |
mm |
| max |
0.95 |
1.3 |
1.6 |
1.8 |
1.95 |
2.15 |
2.3 |
3 |
308 |
LONGITUDINAL
RIBS |
Height
(A1) |
min |
0.35 |
0.5 |
0.6 |
0.7 |
0.8 |
0.9 |
1 |
1.3 |
1.7 |
mm |
| max |
1 |
1.4 |
1.6 |
1.9 |
2.2 |
2.5 |
2.8 |
3.2 |
4 |
| Width
(B1) |
min |
0.7 |
0.9 |
1.1 |
1.3 |
1.5 |
1.6 |
1.7 |
2 |
2.8 |
mm |
| max |
1.5 |
1.9 |
2.3 |
2.7 |
3 |
3.3 |
3.7 |
4.4 |
5.5 |
|
SPACING (Cs) |
min |
4.4 |
5.5 |
6.6 |
7.7 |
8.8 |
9.9 |
11 |
14 |
18 |
mm |
| max |
5.6 |
7 |
8.3 |
10 |
11.2 |
12.5 |
14 |
17.5 |
22 |
| DEGREE
(q) |
45
~ 60 |
Deg |
|
QUALITY |
|
GR 40 |
GR 60 |
| MECHANICAL PROPERTIES |
YIELD STRENGTH (N\mm'2) |
min 350 |
min 540 |
| TENSILE STRENGTH (Nmm'2) |
min 500 |
min 680 |
| % ELONGATION L0 = 10d |
min 16 |
min 11 |
| CHEMICAL COMPOSITION |
C % |
0.2 ~ 0.26 |
0.28 ~ 0.36 |
| Si % |
0.25 max |
0.35 max |
| Mn % |
0.6 ~ 0.9 |
0.9 ~ 1.1 |
| S % |
0.060 max |
0.060 max |
| P % |
0.060 max |
0.060 max |
| C ev % |
0.45 ~ 0.5 |
0.5 ~ 0.55 |
A- Production of steel GR 40
Cross Sectio
mm2 |
L0
mm |
L1
mm |
Yield Force
kgf |
Re %0.2
kgf/mm2 |
Tensile Forc
kfg |
Rm
kfg/mm2 |
Rm/Re |
Elongation % |
E Modulus
kfg/mm2 |
| 78.5 |
100 |
146.2 |
3162. |
40.28 |
4662 |
59.39 |
1.47 |
46.2 |
20449 |
|
B- Production of steel
GR 60
Producing by Termix
E Modulus
kfg/mm2 |
Elongation %
|
Rm/Re |
Rm
kfg/mm2 |
Tensile Forc
kfg |
Re %0.2
kgf/mm2 |
Yield Force
kgf |
L1
mm |
L0
mm |
Cross Sectio
mm2 |
| 18273 |
15.6 |
1.49 |
75.79 |
8567 |
50.88 |
5751 |
138.7 |
120 |
113.04 |
2-EQUAL BARS:
|
A |
T |
A |
T |
A |
T |
A |
T |
A |
T |
A |
T |
A |
T |
| 30 |
12 |
20 |
10 |
16 |
8 |
16 |
7 |
12 |
5 |
24 |
4.5 |
50 |
4 |
| 40 |
12 |
25 |
10 |
20 |
8 |
|
|
14 |
5 |
29 |
4.5 |
|
|
|
|
30 |
10 |
25 |
8 |
|
|
16 |
5 |
34 |
4.5 |
|
|
|
|
40 |
10 |
30 |
8 |
|
|
20 |
5 |
47 |
4.5 |
|
|
|
|
50 |
10 |
40 |
8 |
|
|
25 |
5 |
48 |
4.5 |
|
|
|
|
|
|
50 |
8 |
|
|
30 |
5 |
50 |
4.5 |
|
|
|
|
|
|
|
|
|
|
40 |
5 |
|
|
|
|
|
|
|
|
|
|
|
|
50 |
5 |
|
|
|
|
3-Square Bars:
|
20 X 20 |
16 X 16 |
14 X 14 |
12 X 12 |
10 X 10 |
8 X 8 |
A x A |
|
14.9 X 14.9 |
10.7 X 10.7 |
9.7 X 9.7 |
A x A |
4-Equal Angles:
|
35 X 35 X 3.5 |
30 X 30 X 3.5 |
30 X 30 X 3 |
25 X 25 X 2.5 |
A x T |
|
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