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钢绞线结构
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公称直径
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钢绞线直径允许偏差/mm
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钢绞线参考截面积Sn/mm2
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‘每米钢绞线参考质量/(g/m)
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钢绞线直径Dn/mm
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钢丝直径d/mm
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1×2
|
5.00
|
2.5
|
+0.15
-0.05
|
9.82
|
77.1
|
|
5.80
|
2.90
|
13.2
|
104
|
|
8.00
|
4.00
|
+0.25
-0.10
|
25.1
|
197
|
|
10.00
|
5.00
|
39.3
|
309
|
|
12.00
|
6.00
|
56.5
|
444
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1×2结构钢绞线力学性能
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钢绞线结构
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钢绞线公称直径Dn/mm
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抗拉强度Rm/Mpa不小于
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整根钢绞线的最大力Fm/kN不小于
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规定非比例延伸力Fp0.2/kN不小于
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最大力总伸长率（L0≥400mm)Agt/%不小于
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应力松驰性能
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初始负荷相当于公称最大力的百分数/%
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1000h后应力松驰率r/%不大于
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|
对所有规格
|
|
1×2
|
5.00
|
1570
|
15.4
|
13.0
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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
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注：规定非比例延伸Fp0..2值不小于整根钢绞线公称最大力Fm的90%
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