These specifications are described for reinforcement steel as per SNI 07-2052-2014 and equivalent to JIS G 3112 | ||
Plain Rounds (in mm) | : | 6,8,10,12,14,16,19,22,25,28 and 32 |
Deformed Bars (in mm) | : | D6,D8,D10,D13,D14,D16,D19,D22,D25,D29 and D32 and D40 |
Mechanical Properties as per SNI 07-2052-2014
Steel Grade |
No. of Test Bars |
Tensile Test |
Bend Test |
Ratio Ts/Ys |
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Yield Kgf / mm2 (N/mm2) |
Tensile Kgf / mm2 (N/mm2) |
Elongation
(%) |
Rounded Corner |
Arch Diameter |
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BjTP 24 |
No. 2 |
Minimum 24 235 |
Minimum 39 380 |
20 |
1800 |
3 x d |
|
No. 3 |
24 |
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BjTP 30 |
No. 2 |
Minimum 30 295 |
Minimum 45 440 |
18 |
1800 |
d > 16 = 3xd |
|
No. 3 |
20 |
d > 16 = 4xd |
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BjTS 30 |
No. 2 |
Minimum 30 295 |
Minimum 45 440 |
10 |
1800 |
d ≤ 16 = 3xd |
|
No. 3 |
18 |
d > 16 = 4xd |
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BjTS 35 |
No. 2 |
Minimum 35 345
|
Minimum 50 490
|
18 |
1800 |
d ≥ 16 = 3xd |
|
No. 3 |
20 |
16<d≤40 = 4xd d >= 40 = 5xd |
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BjTS 40 |
No. 2 |
Minimum 40 390 |
Minimum 57 500 |
16 |
1800 |
5 x d |
Ratio = 1.2 min. |
No. 3 |
18 |
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BjTS 50 |
No. 2 |
Minimum 50 490 |
Minimum 57 620 |
12 |
1800 |
d ≤ 25 = 5xd |
|
No. 3 |
14 |
d > 25 = 6xd |
Note :
These specifications are described for reinforcement steel as per AS/NZS 4671:2001 | ||
Preferred diameter 500E | : | 6,10,12,16,20,25,32 and 40 ; Preferred diameter 300E : 6,10,12,16,20 and 25 |
Preferred diameter 500N | : | 12,16,20,24,28,32 and 36 |
COMPOSITION OF REINFORCING STEELS |
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Type of analysis |
Chemical composition, % max. |
Carbon equivalent value (Ceq) for standard grades |
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All grades |
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C |
P |
S |
250N |
500L |
500N |
300E |
500E |
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Cast analysis |
0.22 |
0.050 |
0.050 |
0.43 |
0.39 |
0.44 |
0.43 |
0.49 |
|
Product analysis |
0.24 |
0.055 |
0.055 |
0.45 |
0.41 |
0.46 |
0.45 |
0.51 |
CHARACTERISTIC MECHANICAL PROPERTIES OF REINFORCING STEELS |
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Property |
250N |
500L |
500N |
300E |
500E |
Type of specified value |
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(Note 1) |
(Note 2) |
(Seismic) |
(Seismic) |
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Yield stress (MPa) R ek.L R ek.U |
≥ 250 - |
≥ 500 ≤ 750 |
≥ 500 ≤ 650 |
≥ 300 ≤ 380 |
≥ 500 ≤ 600 |
CvL: p = 0.95 |
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CvU: p = 0.05 |
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Ratio , Rm/Re
|
≥ 1.08 - |
≥ 1.03 - |
≥ 1.08 - |
≥ 1.15 ≥ 1.50 |
≥ 1.15 ≥ 1.4 0 |
CvL: p = 0.90 |
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CvU: p = 0.10 |
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Uniform elongation A gt(%) |
≥ 5.0 |
≥ 1.5 |
≥ 5.0 |
≥ 15.0 |
≥ 10.0 |
CvL: p = 0.90 |
NOTES: : |
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These specifications are described for reinforcement steel as per SIRIM MS 146:2006
Preferred diameter all grade : 10,12,16,20,25,32 and 40
Grade |
Chemical Composition |
Size (mm) |
yield min. (N/mm2) |
Stress Ratio min. (Rm/Re) |
Elongation min. (%) |
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C % max. |
Si % max. |
Mn % max. |
P % max. |
S % max. |
CE % max. |
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High Yield Deformed Bar G460 |
0.25 |
- |
- |
0.05 |
0.05 |
0.51 |
All sizes |
460 |
1.05 |
12 |
High Yield Deformed Bar G500 |
0.3 |
- |
- |
0.05 |
0.05 |
0.51 |
All sizes |
500 |
1.05 |
12 |
Mild Steel Round Bar G250 |
0.25 |
- |
- |
0.06 |
0.06 |
0.42 |
All sizes |
250 |
1.05 |
22 |