Model Light Load Blue Color |
Outer Dia. (mm) |
Inner Dia. (mm) |
Free Length (mm) |
Spring Const (kgf/mm) |
0.3 million |
0.5 million |
1 million |
40% |
36% |
32% |
Deflection (mm) |
Load (N) |
Deflection (mm) |
Load (N) |
Deflection (mm) |
Load (N) |
AL 10x20 |
10 |
5 |
20 |
1.81 |
8 |
142 |
7.2 |
127.5 |
6.4 |
112.8 |
25 |
25 |
1.45 |
10 |
9 |
8 |
30 |
30 |
1.21 |
12 |
10.8 |
9.6 |
35 |
35 |
1.03 |
14 |
12.6 |
11.2 |
40 |
40 |
0.9 |
16 |
14.4 |
12.8 |
45 |
45 |
0.8 |
18 |
16.2 |
14.4 |
50 |
50 |
0.73 |
20 |
18 |
16 |
55 |
55 |
0.66 |
22 |
19.8 |
17.6 |
60 |
60 |
0.6 |
24 |
21.6 |
19.2 |
65 |
65 |
0.55 |
26 |
23.4 |
20.8 |
70 |
70 |
0.51 |
28 |
25.2 |
22.4 |
75 |
75 |
0.48 |
30 |
27 |
24 |
80 |
80 |
0.45 |
32 |
28.8 |
25.6 |
AL 12x20 |
12 |
6 |
20 |
2.63 |
8 |
206 |
7.2 |
186.3 |
6.4 |
166.7 |
25 |
25 |
2.1 |
10 |
9 |
8 |
30 |
30 |
1.75 |
12 |
10.8 |
9.6 |
35 |
35 |
1.5 |
14 |
12.6 |
11.2 |
40 |
40 |
1.32 |
16 |
14.4 |
12.8 |
45 |
45 |
1.17 |
18 |
16.2 |
14.4 |
50 |
50 |
1.05 |
20 |
18 |
16 |
55 |
55 |
0.96 |
22 |
19.8 |
17.6 |
60 |
60 |
0.88 |
24 |
21.6 |
19.2 |
65 |
65 |
0.81 |
26 |
23.4 |
20.8 |
70 |
70 |
0.75 |
28 |
25.2 |
22.4 |
75 |
75 |
0.7 |
30 |
27 |
24 |
80 |
80 |
0.66 |
32 |
28.8 |
25.6 |
AL 14x25 |
14 |
7 |
25 |
2.8 |
10 |
275 |
9 |
245 |
8 |
216 |
30 |
30 |
2.34 |
12 |
10.8 |
9.6 |
35 |
35 |
2 |
14 |
12.6 |
11.2 |
40 |
40 |
1.75 |
16 |
14.4 |
12.8 |
45 |
45 |
1.56 |
18 |
16.2 |
14.4 |
50 |
50 |
1.4 |
20 |
18 |
16 |
55 |
55 |
1.27 |
22 |
19.8 |
17.6 |
60 |
60 |
1.17 |
24 |
21.6 |
19.2 |
65 |
65 |
1.08 |
26 |
23.4 |
20.8 |
70 |
70 |
1 |
28 |
25.2 |
22.4 |
75 |
75 |
0.93 |
30 |
27 |
24 |
80 |
80 |
0.87 |
32 |
28.8 |
25.6 |
90 |
90 |
0.77 |
36 |
32.4 |
28.8 |
AL 16x25 |
16 |
8 |
25 |
3.5 |
10 |
343 |
9 |
314 |
8 |
275 |
30 |
30 |
2.92 |
12 |
10.8 |
9.6 |
35 |
35 |
2.5 |
14 |
12.6 |
11.2 |
40 |
40 |
2.19 |
16 |
14.4 |
12.8 |
45 |
45 |
1.95 |
18 |
16.2 |
14.4 |
50 |
50 |
1.75 |
20 |
18 |
16 |
55 |
55 |
1.6 |
22 |
19.8 |
17.6 |
60 |
60 |
1.46 |
24 |
21.6 |
19.2 |
65 |
65 |
1.35 |
26 |
23.4 |
20.8 |
70 |
70 |
1.25 |
28 |
25.2 |
22.4 |
75 |
75 |
1.17 |
30 |
27 |
24 |
80 |
80 |
1.1 |
32 |
28.8 |
25.6 |
90 |
90 |
0.98 |
36 |
32.4 |
28.8 |
100 |
100 |
0.88 |
40 |
36 |
|
32 |
AL 18x25 |
18 |
9 |
25 |
4.3 |
10 |
422 |
9 |
382 |
8 |
333 |
30 |
30 |
3.58 |
12 |
10.8 |
9.6 |
35 |
35 |
3.07 |
14 |
12.6 |
11.2 |
40 |
40 |
2.69 |
16 |
14.4 |
12.8 |
45 |
45 |
2.39 |
18 |
16.2 |
14.4 |
50 |
50 |
2.15 |
20 |
18 |
16 |
55 |
55 |
1.96 |
22 |
19.8 |
17.6 |
60 |
60 |
1.79 |
24 |
21.6 |
19.2 |
65 |
65 |
1.66 |
26 |
23.4 |
20.8 |
70 |
70 |
1.54 |
28 |
25.2 |
22.4 |
75 |
75 |
1.44 |
30 |
27 |
24 |
80 |
80 |
1.35 |
32 |
28.8 |
25.6 |
90 |
90 |
1.2 |
36 |
32.4 |
28.8 |
100 |
100 |
1.07 |
40 |
36 |
32 |
AL 20x25 |
20 |
10 |
25 |
5.4 |
10 |
530 |
9 |
481 |
8 |
422 |
30 |
30 |
4.5 |
12 |
10.8 |
9.6 |
35 |
35 |
3.86 |
14 |
12.6 |
11.2 |
40 |
40 |
3.38 |
16 |
14.4 |
12.8 |
45 |
45 |
3 |
18 |
16.2 |
14.4 |
50 |
50 |
2.7 |
20 |
18 |
16 |
55 |
55 |
2.45 |
22 |
19.8 |
17.6 |
60 |
60 |
2.25 |
24 |
21.6 |
19.2 |
65 |
65 |
2.08 |
26 |
23.4 |
20.8 |
70 |
70 |
1.93 |
28 |
25.2 |
22.4 |
75 |
75 |
1.8 |
30 |
27 |
24 |
80 |
80 |
1.69 |
32 |
28.8 |
25.6 |
90 |
90 |
1.5 |
36 |
32.4 |
28.8 |
100 |
100 |
1.35 |
40 |
36 |
32 |
125 |
125 |
1.08 |
50 |
45 |
40 |
150 |
150 |
0.9 |
60 |
54 |
48 |
AL 22x25 |
22 |
11 |
25 |
6.7 |
10 |
657 |
9 |
588 |
8 |
530 |
30 |
30 |
5.6 |
12 |
10.8 |
9.6 |
35 |
35 |
4.8 |
14 |
12.6 |
11.2 |
40 |
40 |
4.2 |
16 |
14.4 |
12.8 |
45 |
45 |
3.72 |
18 |
16.2 |
14.4 |
50 |
50 |
3.35 |
20 |
18 |
16 |
55 |
55 |
3.05 |
22 |
19.8 |
17.6 |
60 |
60 |
2.8 |
24 |
21.6 |
19.2 |
65 |
65 |
2.58 |
26 |
23.4 |
20.8 |
70 |
70 |
2.4 |
28 |
25.2 |
22.4 |
75 |
75 |
2.23 |
30 |
27 |
24 |
80 |
80 |
2.1 |
32 |
28.8 |
25.6 |
90 |
90 |
1.86 |
36 |
32.4 |
28.8 |
100 |
100 |
1.68 |
40 |
36 |
32 |
125 |
125 |
1.34 |
50 |
45 |
40 |
150 |
150 |
1.12 |
60 |
54 |
48 |
AL 25x25 |
25 |
12.5 |
25 |
8.4 |
10 |
824 |
9 |
745 |
8 |
657 |
30 |
30 |
7 |
12 |
10.8 |
9.6 |
35 |
35 |
6 |
14 |
12.6 |
11.2 |
40 |
40 |
5.25 |
16 |
14.4 |
12.8 |
45 |
45 |
4.67 |
18 |
16.2 |
14.4 |
50 |
50 |
4.2 |
20 |
18 |
16 |
55 |
55 |
3.82 |
22 |
19.8 |
17.6 |
60 |
60 |
3.5 |
24 |
21.6 |
19.2 |
65 |
65 |
3.23 |
26 |
23.4 |
20.8 |
70 |
70 |
3 |
28 |
25.2 |
22.4 |
75 |
75 |
2.8 |
30 |
27 |
24 |
80 |
80 |
2.63 |
32 |
28.8 |
25.6 |
90 |
90 |
2.33 |
36 |
32.4 |
28.8 |
100 |
100 |
2.1 |
40 |
36 |
32 |
125 |
125 |
1.68 |
50 |
45 |
40 |
150 |
150 |
1.4 |
60 |
54 |
48 |
175 |
175 |
1.2 |
70 |
63 |
56 |
AL 27x25 |
27 |
13.5 |
25 |
10 |
10 |
981 |
9 |
883 |
8 |
785 |
30 |
30 |
8.33 |
12 |
10.8 |
9.6 |
35 |
35 |
7.14 |
14 |
12.6 |
11.2 |
40 |
40 |
6.25 |
16 |
14.4 |
12.8 |
45 |
45 |
5.56 |
18 |
16.2 |
14.4 |
50 |
50 |
5 |
20 |
18 |
16 |
55 |
55 |
4.55 |
22 |
19.8 |
17.6 |
60 |
60 |
4.17 |
24 |
21.6 |
19.2 |
65 |
65 |
3.85 |
26 |
23.4 |
20.8 |
70 |
70 |
3.57 |
28 |
25.2 |
22.4 |
75 |
75 |
3.33 |
30 |
27 |
24 |
80 |
80 |
3.13 |
32 |
28.8 |
25.6 |
90 |
90 |
2.78 |
36 |
32.4 |
28.8 |
100 |
100 |
2.5 |
40 |
36 |
32 |
125 |
125 |
2 |
50 |
45 |
40 |
150 |
150 |
1.67 |
60 |
54 |
48 |
175 |
175 |
1.43 |
70 |
63 |
56 |
AL 30x25 |
30 |
15 |
25 |
12.11 |
10 |
1,187 |
9 |
1,069 |
8 |
951 |
30 |
30 |
10.08 |
12 |
10.8 |
9.6 |
35 |
35 |
8.65 |
14 |
12.6 |
11.2 |
40 |
40 |
7.56 |
16 |
14.4 |
12.8 |
45 |
45 |
6.73 |
18 |
16.2 |
14.4 |
50 |
50 |
6.05 |
20 |
18 |
16 |
55 |
55 |
5.5 |
22 |
19.8 |
17.6 |
60 |
60 |
5.04 |
24 |
21.6 |
19.2 |
65 |
65 |
4.65 |
26 |
23.4 |
20.8 |
70 |
70 |
4.32 |
28 |
25.2 |
22.4 |
75 |
75 |
4.03 |
30 |
27 |
24 |
80 |
80 |
3.78 |
32 |
28.8 |
25.6 |
90 |
90 |
3.36 |
36 |
32.4 |
28.8 |
100 |
100 |
3.02 |
40 |
36 |
32 |
125 |
125 |
2.42 |
50 |
45 |
40 |
150 |
150 |
2.01 |
60 |
54 |
48 |
175 |
175 |
1.72 |
70 |
63 |
56 |
200 |
200 |
1.51 |
80 |
72 |
64 |
AL 35x40 |
35 |
17.5 |
40 |
10.31 |
16 |
|
14.4 |
|
12.8 |
|
45 |
45 |
9.17 |
18 |
1.62 |
16.2 |
1.461 |
14.4 |
1.295 |
50 |
50 |
8.25 |
20 |
|
18 |
|
16 |
|
55 |
55 |
7.5 |
22 |
|
19.8 |
|
17.6 |
|
60 |
60 |
6.87 |
24 |
|
21.6 |
|
19.2 |
|
65 |
65 |
6.35 |
26 |
|
23.4 |
|
20.8 |
|
70 |
70 |
5.89 |
28 |
|
25.2 |
|
22.4 |
|
75 |
75 |
5.5 |
30 |
|
27 |
|
24 |
|
80 |
80 |
5.15 |
32 |
|
28.8 |
|
25.6 |
|
90 |
90 |
4.58 |
36 |
|
32.4 |
|
28.8 |
|
100 |
100 |
4.12 |
40 |
|
36 |
|
32 |
|
125 |
125 |
3.3 |
50 |
|
45 |
|
40 |
|
150 |
150 |
2.75 |
60 |
|
54 |
|
48 |
|
175 |
175 |
2.35 |
70 |
|
63 |
|
56 |
|
200 |
200 |
2.06 |
80 |
|
72 |
|
64 |
|
AL 40x40 |
40 |
20 |
40 |
13.5 |
16 |
2,120 |
14.4 |
1,900 |
12.8 |
1,700 |
50 |
50 |
10.8 |
20 |
18 |
16 |
60 |
60 |
9 |
24 |
21.6 |
19.2 |
70 |
70 |
7.71 |
28 |
25.2 |
22.4 |
80 |
80 |
6.75 |
32 |
28.8 |
25.6 |
90 |
90 |
6 |
36 |
32.4 |
28.8 |
100 |
100 |
5.4 |
40 |
36 |
32 |
125 |
125 |
4.32 |
50 |
45 |
40 |
150 |
150 |
3.6 |
60 |
54 |
48 |
175 |
175 |
3.08 |
70 |
63 |
56 |
200 |
200 |
2.7 |
80 |
72 |
64 |
250 |
250 |
2.16 |
100 |
90 |
80 |
AL 50x50 |
50 |
25 |
50 |
16.89 |
20 |
3,310 |
18 |
2,980 |
16 |
2,650 |
60 |
60 |
14.08 |
24 |
21.6 |
19.2 |
70 |
70 |
12.07 |
28 |
25.2 |
22.4 |
80 |
80 |
10.56 |
32 |
28.8 |
25.6 |
90 |
90 |
9.38 |
36 |
32.4 |
28.8 |
100 |
100 |
8.45 |
40 |
36 |
32 |
125 |
125 |
6.76 |
50 |
45 |
40 |
150 |
150 |
5.63 |
60 |
54 |
48 |
175 |
175 |
4.82 |
70 |
63 |
56 |
200 |
200 |
4.22 |
80 |
72 |
64 |
250 |
250 |
3.38 |
100 |
90 |
80 |
300 |
300 |
2.81 |
120 |
108 |
96 |
|