Mechanical Properties of GPH Rebar:
|
Grades of Steel |
Yield Strength (min) |
Tensile Strength (min) |
Percent Elongation (min) |
UTS/YS |
|
GPH TMT 500W |
72,500 psi |
83,375 psi |
14% |
1.15 |
|
500 MPa |
575 MPa |
|
||
|
GPH G 60-400 |
60,175 psi |
575 MPa |
14% |
1.15 |
|
415 MPa |
90,045 psi |
|
||
|
GPH G 40-300W |
43,500 psi |
60,175 psi |
16% |
>1.25 |
|
300 MPa |
415 MPa |
|
Bar Size, Nominal Weights, Dimensions, etc of GPH TMT 500W & GPH G60-400 Rebar:
|
Bar nominal diameter |
Nominal weight |
Cross-sectional area |
App. Lengths per |
|
|
M.Ton |
||||
|
Mm |
Kg/m |
mm2 |
Metre |
Feet |
|
8 |
0.395 |
50.3 |
2,532 |
8,307 |
|
10 |
0.616 |
78.5 |
1,621 |
5,318 |
|
12 |
0.888 |
113.1 |
1,126 |
3,694 |
|
14 |
1.21 |
153.86 |
826 |
2,711 |
|
16 |
1.579 |
201.1 |
633 |
2,077 |
|
18 |
2.000 |
254.34 |
500 |
1,640 |
|
20 |
2.466 |
314.2 |
405 |
1,330 |
|
22 |
2.985 |
380.3 |
335 |
1,100 |
|
25 |
3.854 |
490.9 |
259 |
850 |
|
28 |
4.836 |
616 |
207 |
680 |
|
32 |
6.313 |
804.2 |
158 |
518 |
Normally available length: 12 meters.
Bend Test Requirements of GPH Rebar:
|
Bar Size |
P in Diameter for 1800 Bend Test |
||
|
Mm |
GPH G 60-400 |
GPH TMT 500W |
GPH G 40-300W |
|
8, 10,12, 14, 16 |
3.5d |
3d |
3.5d |
|
18, 20, 22,25 |
5d |
4d |
5d |
|
28, 32 |
7d |
6d |
Not specified |
|
Note: |
*d= nominal diameter of specimen |
|
|
*Test bends 180 unless noted otherwise |
Bend Test is performed as per ASTM Standards. The test is conducted for each lot of production frequently to confirm the bend-ability. The test is conducted by the 1000KN UTM from Hungta Instrument Co. Ltd.,Taiwan.
Rolling tolerances on nominal mass:
|
All sizes |
+Not specified |
|
|
-6.0% |
