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Heavy load spring

Series R ISO 10243
 
D
d
Wire section
L
Rate
20%
25%
30%
D
3,000,000
1,500,000
Max. Deflection
Approximate
mm
mm
mm x mm
mm
N/mm
N
mm
N
mm
N
mm
N
mm
10
5
1.9 x 1.5
25
22.1
5
111
6.3
139
7.5
166
9.2
203
32
17.5
6.4
112
8
140
9.6
168
12.1
212
38
17.1
7.6
130
9.5
162
11.4
195
13.2
226
44
15
8.8
132
11
165
13.2
198
15.1
227
51
12.8
10.2
131
12.8
164
15.3
196
19.5
250
64
10.7
12.8
137
16
171
19.2
205
21.8
233
76
7.5
15.2
114
19
143
22.8
171
27.9
209
305
2.1
61
128
76.3
160
91.5
192
127.2
267
12.5
6.3
2.4 x 1.9
25
42.1
5
211
6.3
265
7.5
316
9.8
413
32
33.2
6.4
212
8
266
9.6
319
13.6
452
38
29.3
7.6
223
9.5
278
11.4
334
14.6
428
44
24.6
8.8
216
11
271
13.2
325
18.1
445
51
19.6
10.2
200
12.8
251
15.3
300
22.3
437
64
15
12.8
192
16
240
19.2
288
27.3
410
76
13.2
15.2
201
19
251
22.8
301
33.1
437
89
11.4
17.8
203
22.3
254
26.7
304
38.9
443
102
8.4
20.4
171
25.5
214
30.6
257
43.8
368
305
2.8
61
171
76.3
214
91.5
256
139.7
391
16
8
  
3.1 x 2.5
25
75.7
5
379
6.3
477
7.5
568
8.4
636
32
52.8
6.4
338
8
422
9.6
507
10.5
554
38
48.5
7.6
369
9.5
461
11.4
553
13.6
660
44
42.8
8.8
377
11
471
13.2
565
15.9
681
51
37.1
10.2
378
12.8
475
15.3
568
18.9
701
64
30.3
12.8
388
16
485
19.2
582
24.9
754
76
25.7
15.2
391
19
488
22.8
586
29.2
750
89
21.7
17.8
386
22.3
484
26.7
579
34.5
749
102
19.3
20.4
394
25.5
492
30.6
591
39.1
755
115
15.7
23
361
28.8
452
34.5
542
44
691
305
7.1
61
433
76.3
542
91.5
650
103.6
736
20
10
4.0 x 3.3
25
216
5
1080
6.3
1361
7.5
1620
8.3
1793
32
168
6.4
1075
8
1344
9.6
1613
10.9
1831
38
129
7.6
980
9.5
1226
11.4
1471
12.5
1613
44
112
8.8
986
11
1232
13.2
1478
15
1680
51
94
10.2
959
12.8
1203
15.3
1438
17.6
1654
64
72.1
12.8
923
16
1154
19.2
1384
22.6
1629
76
59.7
15.2
907
19
1134
22.8
1361
27.5
1642
89
50.5
17.8
899
22.3
1126
26.7
1348
31.7
1601
102
44.2
20.4
902
25.5
1127
30.6
1353
37.5
1658
115
38.4
23
883
28.8
1106
34.5
1325
42.6
1636
127
34.1
25.4
866
31.8
1084
38.1
1299
45.5
1552
139
31
28
868
35
1085
42
1302
50.1
1553
152
28.2
30.4
857
38
1072
45.6
1286
55.8
1574
305
15
61
915
76.3
1145
91.5
1373
114.1
1712
25
12.5
5.5 x 4.2
25
375
5
1875
6.3
2363
7.5
2813
8.5
3188
32
297
6.4
1901
8
2376
9.6
2851
11
3267
38
219
7.6
1664
9.5
2081
11.4
2497
12.6
2759
44
187
8.8
1646
11
2057
13.2
2468
14.8
2768
51
156
10.2
1591
12.8
1997
15.3
2387
17.9
2792
64
123
12.8
1574
16
1968
19.2
2362
23.1
2841
76
99
15.2
1505
19
1881
22.8
2257
26.3
2604
89
84
17.8
1495
22.3
1873
26.7
2243
30.5
2562
102
73
20.4
1489
25.5
1862
30.6
2234
37.3
2723
115
65
23
1495
28.8
1872
34.5
2243
41.9
2724
127
57.7
25.4
1466
31.8
1835
38.1
2198
46.2
2666
139
52.7
28
1476
35
1845
42
2213
49.3
2598
152
47.8
30.4
1453
38
1816
45.6
2180
55.7
2662
178
41
35.6
1460
44.5
1825
53.4
2189
65.1
2669
203
35.8
40.6
1453
50.8
1819
60.9
2180
74.5
2667
305
22.9
61
1397
76.3
1747
91.5
2095
110.2
2524
32
16
7.1 x 5.4
38
388
7.6
2949
9.5
3686
11.4
4423
12.5
4850
44
324
8.8
2851
11
3564
13.2
4277
14.9
4828
51
272
10.2
2774
12.8
3482
15.3
4162
17.8
4842
64
212
12.8
2714
16
3392
19.2
4070
22.4
4749
76
172
15.2
2614
19
3268
22.8
3922
26.1
4489
89
141
17.8
2510
22.3
3144
26.7
3765
30.8
4343
102
122
20.4
2489
25.5
3111
30.6
3733
36.8
4490
115
107
23
2461
28.8
3082
34.5
3692
41.4
4430
127
93
25.4
2362
31.8
2957
38.1
3543
44.4
4129
139
86
28
2408
35
3010
42
3612
48.5
4171
152
78
30.4
2371
38
2964
45.6
3557
54.8
4274
178
67.2
35.6
2392
44.5
2990
53.4
3588
63.6
4274
203
59.1
40.6
2399
50.8
3002
60.9
3599
72.5
4285
254
46.4
50.8
2357
63.5
2946
76.2
3536
92.8
4306
305
38
61
2318
76.3
2899
91.5
3477
111.8
4248
40
2
8.4 x 6.2
51
350
10.2
3570
12.8
4480
15.3
5355
17
5950
64
269
12.8
3443
16
4304
19.2
5165
21.9
5891
76
219
15.2
3329
19
4161
22.8
4993
26.7
5847
89
190
17.8
3382
22.3
4237
26.7
5073
31.3
5947
102
163
20.4
3325
25.5
4157
30.6
4988
37.1
6047
115
142
23
3266
28.8
4090
34.5
4899
41
5822
127
128
25.4
3251
31.8
4070
38.1
4877
46.5
5952
139
115
28
3220
35
4025
42
4830
53.1
6107
152
105
30.4
3192
38
3990
45.6
4788
56.1
5891
178
89
35.6
3168
44.5
3961
53.4
4753
67.4
5999
203
77
40.6
3126
50.8
3912
60.9
4689
76.2
5867
254
61
50.8
3099
63.5
3874
76.2
4648
96.2
5868
305
51
61
3111
76.3
3891
91.5
4667
114.8
5855
50
25
11.1 x 7.6
64
413
12.8
5286
16
6608
19.2
7930
22.4
9251
76
339
15.2
5153
19
6441
22.8
7729
26.5
8984
89
288
17.8
5126
22.3
6422
26.7
7690
31.5
9072
102
245
20.4
4998
25.5
6248
30.6
7497
37.6
9212
115
215
23
4945
28.8
6192
34.5
7418
42.7
9181
127
192
25.4
4877
31.8
6106
38.1
7315
47.5
9120
139
168
28
4704
35
5880
42
7056
51.8
8702
152
154
30.4
4682
38
5852
45.6
7022
57.8
8901
178
134
35.6
4770
44.5
5963
53.4
7156
68.5
9179
203
117
40.6
4750
50.8
5944
60.9
7125
77.6
9079
254
89
50.8
4521
63.5
5652
76.2
6782
97.9
8713
305
73
61
4453
76.3
5570
91.5
6680
120.7
8811
63
38
11.6 x 12.3
76
618
15.2
9394
19
11742
22.8
14090
24.7
15265
89
515
17.8
9167
22.3
11485
26.7
13751
30
15450
102
438
20.4
8935
25.5
11169
30.6
13403
35.1
15374
115
370
23
8510
28.8
10656
34.5
12765
37.5
13875
127
333
25.4
8458
31.8
10589
38.1
12687
45.9
15285
152
269
30.4
8178
38
10222
45.6
12266
56.5
15199
178
226
35.6
8046
44.5
10057
53.4
12068
66.8
15097
203
198
40.6
8039
50.8
10058
60.9
12058
78.8
15602
254
155
50.8
7874
63.5
9843
76.2
11811
101.7
15763
305
128
61
7808
76.3
9766
91.5
11712
122.4
15667
 
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