Techical Parameters
7-Wire Uncoated Steel Strand for Prestressed Concrete as per ASTM A 416
|
Min.Breaking Strength |
Nominal Dia. |
Dia. Tolerance |
Norminal Steel Area |
Nominal Weight |
Min. Breaking Load |
Min.Load at 1%Extension |
Min.Elongation Lo≥610mm |
0.7 G.U.T.S 1000hNorminal Relaxation |
|
MPA |
mm |
mm |
Mm2 |
Kg/Km |
KN |
KN |
% |
% |
|
1860 |
9.53 |
+0.66,-0.15 |
54.84 |
432 |
102.3 |
92.1 |
≥3.5 |
≤2.5 |
|
11.11 |
74.19 |
582 |
137.9 |
124.1 |
||||
|
12.70 |
98.7 |
775 |
183.7 |
165.3 |
||||
|
15.24 |
140.0 |
1102 |
260.7 |
234.6 |
||||
|
17.80 |
190.0 |
1492 |
353.0 |
318.0 |
||||
|
2000 |
12.70 |
+0.66,-0.15 |
98.7 |
775 |
197.4 |
177.7 |
≥3.5 |
≤2.5 |
|
15.24 |
140.0 |
1102 |
280.0 |
252.0 |
7-Wire Uncoated Steel Strand for Prestressed Concrete as per GB/T5224
|
Min.Breaking Strength |
Nominal Dia. |
Dia. Tolerance |
Norminal Steel Area |
Nominal Weight |
Min. Breaking Load |
Min.Load at 1%Extension |
Min.Elongation Lo≥610mm |
0.7 G.U.T.S 1000hNorminal Relaxation |
|
MPA |
mm |
mm |
Mm2 |
Kg/Km |
KN |
KN |
% |
% |
|
1860 |
9.50 |
+0.30,-0.15 |
54.8 |
432 |
102 |
86.6 |
≥3.5 |
≤2.5 |
|
|
11.10 |
74.2 |
580 |
138 |
117 |
|||
|
|
12.70 |
|
98.7 |
775 |
184 |
156 |
||
|
|
15.20 |
140 |
1101 |
259 |
220 |
|||
|
|
15.70 |
150 |
1178 |
279 |
251 |
|||
|
|
17.80 |
191 |
1500 |
353 |
318 |
|||
|
1960 |
12.70 |
+0.40,-0.20 |
98.7 |
775 |
193 |
174 |
≥3.5 |
≤2.5 |
|
|
15.20 |
140 |
1101 |
274 |
247 |
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