该产品主要作预应力混凝土结构配筋用，如大跨度铁路和公路的桥梁、吊车梁、岩土锚固工程，多层工业厂房等。
1×2结构钢绞线尺寸及允许偏差、每米参考质量
|
钢绞线结构 |
公称直径 |
钢绞线直径 |
钢绞线参考 |
每米钢绞线 |
|
|
钢绞线直径 |
钢丝直径 |
||||
|
1×2 |
5.00 |
2.50 |
+0.15 |
9.82 |
77.1 |
|
5.80 |
2.90 |
13.2 |
104 |
||
|
8.00 |
4.00 |
+0.25 |
25.1 |
197 |
|
|
10.00 |
5.00 |
39.3 |
309 |
||
|
12.00 |
6.00 |
56.5 |
444 |
||
1×3结构钢绞线尺寸及允许偏差、每米参考质量
|
钢绞线结构 |
公称直径 |
钢绞线测量 |
测量尺寸 |
钢绞线参考 |
每米钢绞线 |
|
|
钢绞线直 |
钢丝直 |
|||||
|
1×3
|
6.20 |
2.90 |
5.41 |
+0.15 |
19.8 |
155 |
|
6.50 |
3.00 |
5.60 |
21.2 |
166 |
||
|
8.60 |
4.00 |
7.46 |
+0.20 |
37.7 |
296 |
|
|
8.74 |
4.05 |
7.56 |
38.6 |
303 |
||
|
10.80 |
5.00 |
9.33 |
58.9 |
462 |
||
|
12.90 |
6.00 |
11.20 |
84.8 |
666 |
||
|
1×3 I |
8.74 |
4.05 |
7.56 |
38.6 |
303 |
|
1×7结构钢绞线尺寸及允许偏差、每米参考质量
|
钢绞线结构 |
公称直径 |
直径允许 |
钢绞线参考 |
每米钢绞线 |
中心钢丝直径do |
|
1×7 |
9.50 |
+0.30 |
54.8 |
430 |
2.5 |
|
11.10 |
74.2 |
582 |
|||
|
12.70 |
+0.40 |
98.7 |
775 |
||
|
15.20 |
140 |
1101 |
|||
|
15.70 |
150 |
1178 |
|||
|
17.80 |
191 |
1500 |
|||
|
（1×7）C |
12.70 |
+0.40 |
112 |
890 |
|
|
15.20 |
165 |
1295 |
|||
|
18.00 |
223 |
1750 |
1×2结构钢绞线力学性能
|
钢绞线结构 |
钢绞线公称直径Dn/mm |
摘拉强度Rm/MPa不小于 |
整根钢绞线的最大力Fm/kN不小于 |
规定非比例延伸力Fp0.2/kN不小于 |
最大力总伸长率(Lo≥400mm)Agt/%不小于 |
应力松弛性能 |
|
|
初始负荷相当于公称最大力的百分数/% |
1000h后应力松弛率r/%不大于 |
||||||
|
1×2 |
5.00 |
1570 |
15.4 |
13.9 |
3.5 |
60
70
80 |
1.0
2.5
4.5 |
|
1720 |
16.9 |
15.2 |
|||||
|
1860 |
18.3 |
16.5 |
|||||
|
1960 |
19.2 |
17.3 |
|||||
|
5.80 |
1570 |
20.7 |
18.6 |
||||
|
1720 |
22.7 |
20.4 |
|||||
|
1860 |
24.6 |
22.1 |
|||||
|
1960 |
25.9 |
23.3 |
|||||
|
8.00 |
1470 |
36.9 |
33.2 |
||||
|
1570 |
39.4 |
35.5 |
|||||
|
1720 |
43.2 |
38.9 |
|||||
|
1860 |
46.7 |
42.0 |
|||||
|
1960 |
49.2 |
44.3 |
|||||
|
10.00 |
1470 |
57.8 |
52.0 |
||||
|
1570 |
61.7 |
55.5 |
|||||
|
1720 |
67.6 |
60.8 |
|||||
|
1860 |
73.1 |
65.8 |
|||||
|
1960 |
77.0 |
69.3 |
|||||
|
12.00 |
1470 |
83.1 |
74.8 |
||||
|
1570 |
88.7 |
79.8 |
|||||
|
1720 |
97.2 |
87.5 |
|||||
|
1860 |
105 |
94.5 |
|||||
|
注：规定非比例延伸力Fp0.2值不小于整根钢绞线公称最大力Fm的90%。 |
|||||||
1×3结构钢绞线力学性能
|
钢绞线结构 |
钢绞线公称直径Dn/mm |
摘拉强度Rm/MPa不小于 |
整根钢绞线的最大力Fm/kN不小于 |
规定非比例延伸力Fp0.2/kN不小于 |
最大力总伸长率(Lo≥400mm)Agt/%不小于 |
应力松弛性能 |
|
|
初始负荷相当于公称最大力的百分数/% |
1000h后应力松弛率r/%不大于 |
||||||
|
1×3 |
6.20 |
1570 |
31.1 |
28.0 |
3.5 |
60
70
80 |
1.0
2.5
4.5 |
|
1720 |
34.1 |
30.7 |
|||||
|
1860 |
36.8 |
33.1 |
|||||
|
1960 |
38.8 |
34.9 |
|||||
|
6.50 |
1570 |
33.3 |
30.0 |
||||
|
1720 |
36.5 |
32.9 |
|||||
|
1860 |
39.4 |
35.5 |
|||||
|
1960 |
41.6 |
37.4 |
|||||
|
8.60 |
1470 |
55.4 |
49.9 |
||||
|
1570 |
59.2 |
53.3 |
|||||
|
1720 |
64.8 |
58.3 |
|||||
|
1860 |
70.1 |
63.1 |
|||||
|
1960 |
73.9 |
66.5 |
|||||
|
8.74 |
1570 |
60.6 |
54.5 |
||||
|
1670 |
64.5 |
58.1 |
|||||
|
1860 |
71.8 |
64.6 |
|||||
|
10.80 |
1470 |
86.6 |
77.9 |
||||
|
1570 |
92.5 |
83.3 |
|||||
|
1720 |
101 |
90.9 |
|||||
|
1860 |
110 |
99.0 |
|||||
|
1960 |
115 |
104 |
|||||
|
12.90 |
1470 |
125 |
113 |
||||
|
1570 |
133 |
120 |
|||||
|
1720 |
146 |
131 |
|||||
|
1860 |
158 |
142 |
|||||
|
1960 |
166 |
149 |
|||||
| 1×3 I |
8.74 |
1570 |
60.6 |
54.5 |
|||
|
1670 |
64.5 |
58.1 |
|||||
|
1860 |
71.8 |
64.6 |
|||||
| 注：规定非比例延伸力Fp0.2值不小于整根钢绞线公称最大力Fm的90%。 | |||||||
1×7结构钢绞线力学性能
|
钢绞线结构 |
钢绞线公称直径Dn/mm |
摘拉强度Rm/MPa不小于 |
整根钢绞线的最大力Fm/kN不小于 |
规定非比例延伸力Fp0.2/kN不小于 |
最大力总伸长率(Lo≥400mm)Agt/%不小于 |
应力松弛性能 |
|
|
初始负荷相当于公称最大力的百分数/% |
1000h后应力松弛率r/%不大于 |
||||||
|
1×7 |
9.50 |
1720 |
94.3 |
84.9 |
3.5 |
60
70
80 |
1.0
2.5
4.5 |
|
1860 |
102 |
91.8 |
|||||
|
1960 |
107 |
96.3 |
|||||
|
11.10 |
1720 |
128 |
115 |
||||
|
1860 |
138 |
124 |
|||||
|
1960 |
145 |
131 |
|||||
|
12.70 |
1720 |
170 |
153 |
||||
|
1860 |
184 |
166 |
|||||
|
1960 |
193 |
174 |
|||||
|
15.20 |
1470 |
206 |
185 |
||||
|
1570 |
220 |
198 |
|||||
|
1670 |
234 |
211 |
|||||
|
1720 |
241 |
217 |
|||||
|
1860 |
260 |
234 |
|||||
|
1960 |
274 |
247 |
|||||
|
15.70 |
1770 |
266 |
239 |
||||
|
1860 |
279 |
251 |
|||||
|
17.80 |
1720 |
327 |
294 |
||||
|
1860 |
353 |
318 |
|||||
|
(1×7)C |
12.70 |
1860 |
208 |
187 |
|||
|
15.20 |
1820 |
300 |
270 |
||||
|
18.00 |
1720 |
384 |
346 |
||||
|
注：规定非比例延伸力Fp0.2值不小于整根钢绞线公称最大力Fm的90%。 |
|||||||
