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Yellow Spring (Lightest Load)

Lightest Load die spring, yellow color coded. Suitable for automotive part industry and other heavy duty stamping die.

Model: 19SF
JIS Standard

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  • Model 19SF
  • Manufacturer Code SF/CF/SWF/DF/ASF/TF
Brand
CORE
CORE
Swipe
Yellow Spring (Lightest Load) drawing
D L d Spring
Constant
(kgf/mm)		 300,000 times 500,000 times 1,000,000 times
D L d Spring
Constant
(kgf/mm)		 300,000 times 500,000 times 1,000,000 times
50% Deflection Load
N (kgf)		 45% Deflection Load
N (kgf)		 40% Deflection Load
N (kgf)		 50% Deflection Load
N (kgf)		 45% Deflection Load
N (kgf)		 40% Deflection Load
N (kgf)
6 15 3 0.80 7.5 59
(6)		 6.8 53
(5.4)		 6.0 47
(4.8)		 25 25 13.5 4.00 12.5 490
(50)		 11.2 441
(45)		 10.0 392
(40)
20 0.60 10.0 9.0 8.0 30 3.33 15.0 13.5 12.0
25 0.48 12.5 11.3 10.0 35 2.85 17.5 15.7 14.0
30 0.40 15.0 13.5 12.0 40 2.50 20.0 18.0 16.0
35 0.34 17.5 15.8 14.0 45 2.22 22.5 20.2 18.0
40 0.30 20.0 18.0 16.0 50 2.00 25.0 22.5 20.0
45 0.27 22.5 20.3 18.0 55 1.82 27.5 24.7 22.0
50 0.24 25.0 22.5 20.0 60 1.67 30.0 27.0 24.0
55 0.22 27.5 24.8 22.0 65 1.54 32.5 29.2 26.0
60 0.20 30.0 27.0 24.0 70 1.43 35.0 31.5 28.0
8 10 4 1.56 5.0 79
(8)		 4.5 71
(7.2)		 4.0 63
(6.4)		 75 1.33 37.5 33.7 30.0
15 1.04 7.5 6.8 6.0 80 1.25 40.0 36.0 32.0
20 0.78 10.0 9.0 8.0 90 1.11 45.0 40.5 36.0
25 0.62 12.5 11.2 10.0 100 1.00 50.0 45.0 40.0
30 0.52 15.0 13.5 12.0 125 0.80 62.5 56.2 50.0
35 0.44 17.5 15.7 14.0 150 0.67 75.0 67.5 60.0
40 0.39 20.0 18.0 16.0 175 0.57 87.5 78.7 70.0
45 0.35 22.5 20.2 18.0 200 0.50 100.0 90.0 80.0
50 0.31 25.0 22.5 20.0 27 25 13.5 4.80 12.5 588
(60)		 11.2 530
(54)		 10.0 471
(48)
55 0.28 27.5 24.7 22.0 30 4.00 15.0 13.5 12.0
60 0.26 30.0 27.0 24.0 35 3.43 17.5 15.7 14.0
65 0.24 32.5 29.2 26.0 40 3.00 20.0 18.0 16.0
70 0.22 35.0 31.5 28.0 45 2.67 22.5 20.2 18.0
75 0.21 37.5 33.7 30.0 50 2.40 25.0 22.5 20.0
80 0.20 40.0 36.0 32.0 55 2.18 27.5 24.7 22.0
90 0.17 45.0 40.5 36.0 60 2.00 30.0 27.0 24.0
100 0.16 50.0 45.0 40.0 65 1.85 32.5 29.2 26.0
10 10 5 2.00 5.0 98
(10)		 4.5 88
(9)		 4.0 78
(8)		 70 1.71 35.0 31.5 28.0
15 1.32 7.5 6.8 6.0 75 1.60 37.5 33.7 30.0
20 1.00 10.0 9.0 8.0 80 1.50 40.0 36.0 32.0
25 0.80 12.5 11.2 10.0 90 1.33 45.0 40.5 36.0
30 0.67 15.0 13.5 12.0 100 1.20 50.0 45.0 40.0
35 0.57 17.5 15.7 14.0 125 0.96 62.5 56.2 50.0
40 0.50 20.0 18.0 16.0 150 0.80 75.0 67.5 60.0
45 0.44 22.5 20.2 18.0 175 0.96 87.5 78.7 70.0
50 0.40 25.0 22.5 20.0 200 0.60 100.0 90.0 80.0
55 0.36 27.5 24.7 22.0 30 25 16 5.80 12.5 760
(72)		 11.2 635
(65)		 10.0 565
(58)
60 0.33 30.0 27.0 24.0 30 4.83 15.0 13.5 12.0
65 0.31 32.5 29.2 26.0 35 4.13 17.5 15.7 14.0
70 0.29 35.0 31.5 28.0 40 3.60 20.0 18.0 16.0
75 0.27 37.5 33.7 30.0 45 3.21 22.5 20.2 18.0
80 0.25 40.0 36.0 32.0 50 2.88 25.0 22.5 20.0
90 0.22 45.0 40.5 36.0 55 2.63 27.5 24.7 22.0
100 0.20 50.0 45.0 40.0 60 2.40 30.0 27.0 24.0
125 0.16 62.5 56.2 50.0 65 2.22 32.5 29.2 26.0
12 20 6 1.40 10.0 137
(14)		 9.0 124
(13)		 8.0 110
(11)		 70 2.05 35.0 31.5 28.0
25 1.12 12.5 11.2 10.0 75 1.93 37.5 33.7 30.0
30 0.93 15.0 13.5 12.0 80 1.80 40.0 36.0 32.0
35 0.80 17.5 15.7 14.0 90 1.60 45.0 40.5 36.0
40 0.70 20.0 18.0 16.0 100 1.44 50.0 45.0 40.0
45 0.62 22.5 20.2 18.0 125 1.15 62.5 56.2 50.0
50 0.56 25.0 22.5 20.0 150 0.96 75.0 67.5 60.0
55 0.51 27.5 24.7 22.0 175 0.82 87.5 78.7 70.0
60 0.47 30.0 27.0 24.0 200 0.72 100.0 90.0 80.0
65 0.43 32.5 29.2 26.0 35 35 19 5.60 17.5 768
(78)		 15.7 864
(88)		 14.0 768
(78)
70 0.40 35.0 31.5 28.0 40 4.90 20.0 18.0 16.0
75 0.37 37.5 33.7 30.0 45 4.36 22.5 20.2 18.0
80 0.35 40.0 36.0 32.0 50 3.92 25.0 22.5 20.0
90 0.31 45.0 40.5 36.0 55 3.56 27.5 24.7 22.0
100 0.28 50.0 45.0 40.0 60 3.26 30.0 27.0 24.0
125 0.22 62.5 56.2 50.0 65 3.02 32.5 29.2 26.0
14 20 7 1.78 10.0 177
(18)		 9.0 159
(16)		 8.0 141
(14)		 70 2.80 35.0 31.5 28.0
25 1.44 12.5 11.2 10.0 75 2.61 37.5 33.7 30.0
30 1.20 15.0 13.5 12.0 80 2.45 40.0 36.0 32.0
35 1.03 17.5 15.7 14.0 90 2.17 45.0 40.5 36.0
40 0.90 20.0 18.0 16.0 100 1.96 50.0 45.0 40.0
45 0.80 22.5 20.2 18.0 125 1.57 62.5 56.2 50.0
50 0.72 25.0 22.5 20.0 150 1.30 75.0 67.5 60.0
55 0.65 27.5 24.7 22.0 175 1.12 87.5 78.7 70.0
60 0.60 30.0 27.0 24.0 200 0.98 100.0 90.0 80.0
65 0.55 32.5 29.2 26.0 40 40 22 6.38 20.0 1254
(128)		 18.0 1129
(115)		 16.0 1003
(102)
70 0.51 35.0 31.5 28.0 45 5.67 22.5 20.2 18.0
75 0.48 37.5 33.7 30.0 50 5.12 22.5 22.5 20.0
80 0.45 40.0 36.0 32.0 55 4.64 27.5 24.7 22.0
90 0.40 45.0 40.5 36.0 60 4.26 30.0 27.0 24.0
100 0.36 50.0 45.0 40.0 65 3.93 32.5 29.2 26.0
125 0.29 62.5 56.2 50.0 70 3.65 35.0 31.5 28.0
16 20 8 2.11 10.0 206
(21)		 9.0 185
(19)		 8.0 165
(17)		 75 3.40 37.5 33.7 30.0
25 1.68 12.5 11.2 10.0 80 3.20 40.0 36.0 32.0
30 1.40 15.0 13.5 12.0 90 2.84 45.0 40.5 36.0
35 1.20 17.5 15.7 14.0 100 2.56 50.0 45.0 40.0
40 1.05 20.0 18.0 16.0 125 2.04 62.5 56.2 50.0
45 0.94 22.5 20.2 18.0 150 1.70 75.0 67.5 60.0
50 0.84 25.0 22.5 20.0 175 1.46 87.5 78.7 70.0
55 0.77 27.5 24.7 22.0 200 1.28 100.0 90.0 80.0
60 0.70 30.0 27.0 24.0 225 1.13 112.5 101.2 90.0
65 0.65 32.5 29.2 26.0 250 1.02 125.0 112.5 100.0
70 0.60 35.0 31.5 28.0 275 0.93 137.5 123.7 110.0
75 0.56 37.5 33.7 30.0 300 0.85 150.0 135.0 120.0
80 0.53 40.0 36.0 32.0 50 50 27.5 8.00 25.0 1960
(200)		 22.5 1764
(180)		 20.0 1568
(160)
90 0.47 45.0 40.5 36.0 55 7.27 27.5 24.7 22.0
100 0.42 50.0 45.0 40.0 60 6.66 30.0 27.0 24.0
125 0.34 62.5 56.2 50.0 65 6.15 32.5 29.2 26.0
18 20 9 2.56 10.0 255
(26)		 9.0 229
(23)		 8.0 204
(21)		 70 5.71 35.0 31.5 28.0
25 2.08 12.5 11.2 10.0 75 5.33 37.5 33.7 30.0
30 1.74 15.0 13.5 12.0 80 5.00 40.0 36.0 32.0
35 1.49 17.5 15.7 14.0 90 4.44 45.0 40.5 36.0
40 1.30 20.0 18.0 16.0 100 4.00 50.0 45.0 40.0
45 1.16 22.5 20.2 18.0 125 3.20 62.5 56.2 50.0
50 1.04 25.0 22.5 20.0 150 2.66 75.0 67.5 60.0
55 0.95 27.5 24.7 22.0 175 2.28 87.5 78.7 70.0
60 0.87 30.0 27.0 24.0 200 2.00 100.0 90.0 80.0
65 0.80 32.5 29.2 26.0 225 1.78 112.5 101.2 90.0
70 0.74 35.0 31.5 28.0 250 1.60 125.0 112.5 100.0
75 0.70 37.5 33.7 30.0 275 1.45 137.5 123.7 110.0
80 0.65 40.0 36.0 32.0 300 1.33 150.0 135.0 120.0
90 0.58 45.0 40.5 36.0 350 1.14 175.0 157.5 140.0
100 0.52 50.0 45.0 40.0 400 1.00 200.0 180.0 160.0
125 0.42 62.5 56.2 50.0 450 0.89 225.0 202.5 180.0
150 0.34 75.0 67.5 60.0 500 0.80 250.0 225.0 200.0
20 20 11 3.22 10.0 314
(32)		 9.0 282
(29)		 8.0 251
(26)		 60 60 33 9.59 30.0 2820
(288)		 27.0 2538
(259)		 24.0 2256
(230)
25 2.56 12.5 11.2 10.0 70 8.22 35.0 31.5 28.0
30 2.13 15.0 13.5 12.0 80 7.19 40.0 36.0 32.0
35 1.83 17.5 15.7 14.0 90 6.40 45.0 40.5 36.0
40 1.60 20.0 18.0 16.0 100 5.76 50.0 45.0 40.0
45 1.42 22.5 20.2 18.0 125 4.60 62.5 56.2 50.0
50 1.28 25.0 22.5 20.0 150 3.84 75.0 67.5 60.0
55 1.16 27.5 24.7 22.0 175 3.29 87.5 78.7 70.0
60 1.07 30.0 27.0 24.0 200 2.88 100.0 90.0 80.0
65 0.98 32.5 29.2 26.0 225 2.56 112.5 101.3 90.0
70 0.91 35.0 31.5 28.0 250 2.30 125.0 112.5 100.0
75 0.85 37.5 33.7 30.0 275 2.09 137.5 123.8 110.0
80 0.80 40.0 36.0 32.0 300 1.92 150.0 135.0 120.0
90 0.71 45.0 40.5 36.0 350 1.65 175.0 157.5 140.0
100 0.64 50.0 45.0 40.0 400 1.44 200.0 180.0 160.0
125 0.51 62.5 56.2 50.0 450 1.28 225.0 202.5 180.0
150 0.43 75.0 67.5 60.0 500 1.15 250.0 225.0 200.0
175 0.37 87.5 78.7 70.0 70 70 38.5 11.43 35.0 3920
(400)		 31.5 3528
(360)		 28.0 3136
(320)
22 25 11 3.20 12.5 392
(40)		 11.2 353
(36)		 10.0 314
(32)		 80 10.00 40.0 36.0 32.0
30 2.67 15.0 13.5 12.0 90 8.89 45.0 40.5 36.0
35 2.29 17.5 15.7 14.0 100 8.00 50.0 45.0 40.0
40 2.00 20.0 18.0 16.0 125 6.40 62.5 56.2 50.0
45 1.78 22.5 20.2 18.0 150 5.33 75.0 67.5 60.0
50 1.60 25.0 22.5 20.0 175 4.57 87.5 78.7 70.0
55 1.46 27.5 24.7 22.0 200 4.00 100.0 90.0 80.0
60 1.33 30.0 27.0 24.0 225 3.56 112.5 101.3 90.0
65 1.23 32.5 29.2 26.0 250 3.20 125.0 112.5 100.0
70 1.14 35.0 31.5 28.0 275 2.91 137.5 123.8 110.0
75 1.07 37.5 33.7 30.0 300 2.67 150.0 135.0 120.0
80 1.00 40.0 36.0 32.0 350 2.29 175.0 157.5 140.0
90 0.89 45.0 40.5 36.0
100 0.80 50.0 45.0 40.0
125 0.64 62.5 56.2 50.0
150 0.53 75.0 67.5 60.0
175 0.46 87.5 78.7 70.0
Swipe
Orange Spring (Medium Deflection)
Orange Spring (Medium Deflection)
Blue Spring (Light Load)
Blue Spring (Light Load)