Dimensional Tolerance of Stainless Steel for Springs
Tolerance of Thickness
(mm)
Tolerance of Thickness | Tolerance of Thickness (ET) | Tolerance of Thickness (ST) | ||||||||
Width | Width | Width | ||||||||
w<160 | 160≦w<250 | 250≦w<600 | w<80 | 80≦w<250 | 250≦w<600 | w<80 | 80≦w<250 | 250≦w<600 | ||
Thickness (t) | 0.10≦t<0.16 | ±0.015 | ±0.020 | ±0.020 | ±0.008 | ±0.012 | ±0.015 | ±0.005 | ±0.008 | ±0.010 |
0.16≦t<0.25 | ±0.020 | ±0.025 | ±0.030 | ±0.012 | ±0.015 | ±0.020 | ±0.008 | ±0.010 | ±0.012 | |
0.25≦t<0.40 | ±0.025 | ±0.030 | ±0.035 | ±0.015 | ±0.020 | ±0.025 | ±0.010 | ±0.012 | ±0.015 | |
0.40≦t<0.60 | ±0.035 | ±0.040 | ±0.040 | ±0.020 | ±0.025 | ±0.030 | ±0.015 | ±0.015 | ±0.020 | |
0.60≦t<0.80 | ±0.040 | ±0.045 | ±0.045 | ±0.025 | ±0.030 | ±0.035 | ±0.015 | ±0.018 | ±0.025 | |
0.80≦t<1.00 | ±0.040 | ±0.050 | ±0.050 | ±0.025 | ±0.030 | ±0.035 | ±0.015 | ±0.020 | ±0.025 * | |
1.00≦t<1.25 | ±0.050 | ±0.050 | ±0.050 | ±0.030 | ±0.035 | ±0.040 * | ±0.020 | ±0.025 * | ±0.030 * | |
1.25≦t<1.60 | ±0.050 | ±0.060 | ±0.060 | ±0.030 | ±0.035 | ±0.040 * | ±0.020 * | ±0.025 * | ±0.030 * |
* Consultation necessary
Tolerance of Width
(mm)
- | Tolerance of Width | ||||
Width (w) | |||||
w<80 | 80≦w<160 | 160≦w<250 | 250≦w<600 | ||
Thickness (t) | t<0.60 | ±0.10 | ±0.15 | ±0.20 | ±0.25 |
0.60≦w<1.00 | ±0.15 | ±0.20 | ±0.25 | ±0.25 | |
1.00≦w<1.60 | ±0.20 | ±0.20 | ±0.30 | ±0.30 |
Maximum Value of Strip Camber
(mm)
Width | Maximum Value of Strip Camber per 1000mm Length |
10≦w<20 | 8 |
20≦w<40 | 6 |
40≦w<80 | 3 |
80≦w | 1 |
Remark: Value is applied to products of width (W) and thickness (T) ratio W/T≧10