收藏词条 编辑词条 不锈钢丝绳（GB/T9944-1988）
(1)分类见表1。
表1 不锈钢丝绳的结构分组
|
组别 |
断面图 |
结构 |
直径范围 |
|
1 |
|
1×3 |
0.11～0.63 |
|
2 |
|
1×7 |
0.15～1.20 |
|
3 |
|
1×19 |
0.60～4.00 |
|
4 |
|
63×IWS |
0.25～1.20 |
|
5 |
|
3×7 |
0.30～1.27 |
|
6 |
|
6×7IWS |
0.30～6.00 |
|
7 |
|
6×19IWS |
2.40～12.00 |
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(2)力学性能见表2、表3。
表2 不锈钢丝绳的力学性能
|
钢丝绳结构 |
钢丝绳公称直径/mm |
允许偏差/mm |
整绳破断拉力/N≥ |
参考质量/(g/m) |
|
1×3 |
0.11 |
±0.01 |
9.5 |
0.05 |
|
0.17 |
24.5 |
0.12 |
||
|
0.21 |
39.2 |
0.19 |
||
|
0.25 |
±0.015 |
65.9 |
0.27 |
|
|
0.36 |
±0.020 |
112.7 |
0.55 |
|
|
0.60 |
254.8 |
1.2 |
||
|
0.63 |
264.6 |
1.6 |
||
|
1×7 |
0.15 |
±0.01 |
24.5 |
0.10 |
|
0.24 |
53.8 |
0.28 |
||
|
0.3 |
93.1 |
0.44 |
||
|
0.36 |
士0.015 |
127.4 |
0.64 |
|
|
0.4 |
±0.015 |
156.8 |
0.75 |
|
|
0.45 |
196 |
1 |
||
|
0.50 |
254.8 |
1.25 |
||
|
0.6 |
±0.020 |
343 |
1.8 |
|
|
0.75 |
±0.025 |
558.6 |
2.8 |
|
|
0.90 |
823.2 |
4 |
||
|
1 |
±0.030 |
999.6 |
4.3 |
|
|
1.2 |
1323 |
7 |
||
|
1×19 |
0.60 |
±0.015 |
343.0 |
1.75 |
|
0.7 |
470.4 |
2.4 |
||
|
0.8 |
617.4 |
3.1 |
||
|
0.90 |
774.2 |
3.9 |
||
|
1 |
±0.020 |
950.6 |
4.9 |
|
|
1.2 |
1274.0 |
7 |
||
|
1.5 |
2254.0 |
11 |
||
|
1.6 |
2597.0 |
12.5 |
||
|
1.8 |
+0.18 |
3136.0 |
15 |
|
|
-0.04 |
||||
|
2 |
+0.20 |
3822 |
19.5 |
|
|
-0.04 |
||||
|
2.4 |
+0.24 |
4802.0 |
28 |
|
|
-0.05 |
||||
|
2.5 |
+0.25 |
5586.0 |
30.38 |
|
|
-0.05 |
||||
|
1×19 |
3 |
0.3 |
8036 |
43.74 |
|
-0.06 |
||||
|
3.5 |
+0.35 |
9310 |
59.54 |
|
|
-0.07 |
||||
|
4 |
0.4 |
1274 |
77.76 |
|
|
-0.08 |
||||
|
6×3+IWS |
0.25 |
±0.15 |
39.2 |
0.24 |
|
0.3 |
63.7 |
0.34 |
||
|
0.5 |
161,7 |
0.37 |
||
|
0.8 |
±0.20 |
392 |
2.3 |
|
|
1 |
686 |
4 |
||
|
1.2 |
882 |
5.76 |
||
|
3×7 |
0.30 |
±0.01 |
63.7 |
0.32 |
|
0.32 |
68.6 |
0.34 |
||
|
0.70 |
±0.02 |
323.4 |
1.55 |
|
|
0.82 |
421.4 |
2.3 |
||
|
1.07 |
686 |
4 |
||
|
1.27 |
931 |
5.5 |
||
|
6×7+IWS |
0.3 |
±0.015 |
53.9 |
0.36 |
|
0.36 |
83.3 |
0.51 |
||
|
0.45 |
142.1 |
0.80 |
||
|
0.54 |
205.8 |
1.15 |
||
|
0.6 |
±0.020 |
215.6 |
1.5 |
|
|
0.72 |
362.6 |
2 |
||
|
0.81 |
±0.025 |
460.6 |
2.6 |
|
|
0.9 |
539 |
3.2 |
||
|
1 |
±0.025 |
637 |
3.9 |
|
|
1.2 |
882 |
5 |
||
|
6×7+IWS |
1.60* |
+0.16 |
2150 |
12 |
|
-0.03 |
||||
|
1.8 |
0.18 |
2254 |
13.5 |
|
|
-0.04 |
||||
|
2 |
0.2 |
2940 |
16.5 |
|
|
-0.04 |
||||
|
2.40* |
0.24 |
4100 |
24 |
|
|
-0.05 |
||||
|
2.5 |
+0.25 |
4410 |
25 |
|
|
-0.05 |
||||
|
3 |
0.3 |
6370 |
35 |
|
|
-0.06 |
||||
|
3.5 |
+0.35 |
7644 |
51 |
|
|
-0.07 |
||||
|
4.00 |
0.4 |
9506 |
65 |
|
|
-0.08 |
||||
|
5 |
+0.50 |
14700 |
95 |
|
|
-0.1 |
||||
|
6 |
0.6 |
18620 |
135 |
|
|
-0.12 |
||||
|
6×19+IWS |
2.40* |
0.24 |
4100 |
22 |
|
-0.05 |
||||
|
2.5 |
+0.25 |
4410 |
24 |
|
|
-0.05 |
||||
|
3 |
0.3 |
6370 |
46 |
|
|
-0.06 |
||||
|
3.20* |
0.32 |
7850 |
43 |
|
|
-0.06 |
||||
|
6×19+IWS |
4.00* |
+0.04 |
8624 |
67 |
|
-0.08 |
||||
|
4.5 |
+0.45 |
12250 |
85.2 |
|
|
-0.09 |
||||
|
4.8 |
0.48 |
16500 |
97 |
|
|
-0.09 |
||||
|
5 |
0.5 |
16660 |
97.00 |
|
|
-0.10 |
||||
|
5.60* |
0.56 |
22250 |
128 |
|
|
-0.12 |
||||
|
6.00 |
+0.60 |
23520 |
149.00 |
|
|
-0.12 |
||||
|
6.40* |
+0.64 |
28500 |
164 |
|
|
-0.13 |
||||
|
8.00* |
+0.80 |
40050 |
266 |
|
|
-0.16 |
||||
|
9 |
+0.90 |
46060 |
350 |
|
|
-0.18 |
||||
|
9.50* |
0.95 |
53400 |
362 |
|
|
-0.19 |
||||
|
10.0 |
1 |
54880 |
384 |
|
|
-0.20 |
||||
|
12 |
1.2 |
73500 |
550 |
|
|
-0.24 |
注：1.表中带“*”的钢丝绳规格适用于飞机操纵用和减振器用钢丝绳。
2.对于表中所列规格中间尺寸的钢丝绳，其力学性能按相邻较大尺寸钢丝绳的规定执行。
3.制绳用不锈钢丝应选用符合GB/T4240中规定的奥氏体型不锈钢或其他种类的不锈钢。钢丝的抗拉强度由制造厂决定。
表3 不锈钢丝绳的疲劳性能
|
结构 |
钢丝绳公称直径/mm |
滑轮直径 |
施加张力/N |
疲劳次数 |
试验后破断拉力/kN≥ |
|
6×7+IWS |
1.60 |
19.0 |
22 |
70000 |
1.28 |
|
2.40 |
28.6 |
40 |
713000 |
2.45 |
|
|
6×19 +IWS |
2.40 |
16.7 |
40 |
70000 |
2.45 |
|
3.20 |
22.2 |
80 |
10000 |
4.7 |
|
|
4.00 |
37.7 |
107 |
130000 |
6.4 |
|
|
6×19+IWS |
4.80 |
45.2 |
165 |
130000 |
9.9 |
|
5.60 |
52.8 |
225 |
130000 |
13.4 |
|
|
6.40 |
60.3 |
285 |
130000 |
17.0 |
|
|
8.00 |
75.4 |
400 |
130000 |
24.0 |
|
|
9.50 |
90.5 |
535 |
130000 |
32.0 |
注：对于飞机操纵用和减振器用钢丝绳，根据需方要求，可进行疲劳性能试验，按规定进行疲劳试验后钢丝绳最小破断拉力符合本表规定。
(3)用途适用于化工、航空、机械和仪表等方面使用。