钢带的尺寸公差

厚度和宽度公差是指相对名义尺寸的 +/- 正负公差。我们的钢带最常用的公差等级为 T2 和 B1。可应要求满足更加严格的尺寸公差及其他形位公差限值。

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厚度公差,毫米

厚度公差,毫米

厚度 宽度 厚度公差,毫米 ±
公差等级
mm mm T1 T2 T3 T4
<0.025 –250
>250-400
0.003
0.004
0.002
0.003
0.0015
0.002
0.001
0.0015
0.025–<0.04 –250
>250–400
0.004
0.005
0.003
0.004
0.002
0.003
0.0015
0.002
0.04–<0.063 –250
>250–400
0.005
0.006
0.004
0.005
0.003
0.004
0.002
0.003
0.063–<0.1 –250
>250–400
0.006
0.007
0.005
0.006
0.004
0.005
0.003
0.004 
0.1–<0.125 –250
>250–400
0.007
0.008
0.005
0.006
0.004
0.005
0.003
0.004 
0.125–<0.16 –250
>250–400
0.009
0.01
0.006
0.007
0.005
0.006
0.004
0.005 
0.16–<0.2 –250
>250–400
0.01
0.011
0.007
0.008
0.005
0.006
0.004
0.005 
0.2–<0.25 –250
>250–400>
400–600
0.011
0.013
0.014
0.008
0.009
0.010
0.006
0.007
0.008
0.004
0.006
0.007
0.25–<0.315 –250
>250–400
>400-600 
0.013
0.015
0.017 
0.009
0.011
0.012 
0.007
0.008
0.009 
0.005
0.006
0.007 
0.315–<0.4 –250
>250–400
>400-600 
0.015
0.017
0.020 
0.011
0.012
0.140 
0.008
0.009
0.010 
0.006
0.006 
0.008 
0.4–<0.5 –250
>250–400
>400-600 
0.017
0.020
0.023 
0.012
0.014
0.017 
0.009
0.010
0.012 
0.006
0.007 
0.009 
0.5–<0.63 –250
>250–400
>400-600 
0.020
0.024
0.028 
0.014
0.017
0.020 
0.010
0.012
0.014 
0.007
0.009
0.010 
0.63–<0.8 –250
>250–400
>400-600 
0.023
0.027
0.032 
0.017
0.020
0.023 
0.012
0.014
0.016 
0.008
0.010
0.012 
0.8–<1 –250
>250–400
>400-600 
0.027
0.032
0.037 
0.019
0.023
0.027 
0.013
0.016
0.019 
0.009
0.012 
0.014 
1–<1.25 –250
>250–400
>400-600 
0.034
0.036
0.042 
0.024
0.026
0.029 
0.017
0.018
0.021 
0.012
0.013
0.015 
1.25–<1.6 –250
>250–400
>400-600 
0.039
0.044
0.050 
0.028
0.032
0.038 
0.020
0.022
0.026 
0.014
0.016
0.019 
1.6–<2 –250
>250–400
>400-600 
0.046
0.050
0.060 
0.033
0.038
0.042 
0.023
0.026
0.029 
0.017
0.019
0.021 
2–<2.5 –250
>250–400
>400-600 
0.050
0.055
0.065 
0.035
0.040
0.050 
0.025
0.028
0.033 
0.017
0.020
0.024 
2.5–<3.15 –250
>250–400
>400-600 
0.056
0.060
0.070 
0.040
0.043
0.050 
0.028
0.030
0.035 
0.020
0.022
0.025 
3.15–5 –250
>250-400
>400-600
0.063
0.065
0.080
0.045
0.050
0.060
0.032
0.034
0.040
0.022
0.024
0.029 

厚度公差,英寸

厚度公差,英寸

厚度 宽度 厚度公差,英寸 ±
公差等级

in. in. T1 T2 T3 T4
–<.0010
–9.8
>9.8–15.7
.00012
.00016
.00008
.00012
.00006
.00008
.00004
.00006 
.0010–<.0016 –9.8
>9.8–15.7
.00016
.00020
.00012
.00016
.00008
.00012
.00006
.00008
.0016–<.0025 –9.8
>9.8–15.7
.00020
.00024
.00016
.00020
.00012
.00016
.00008
.00012
.0025–<.0039 –9.8
>9.8–15.7
.00024
.00028
.00020
.00024
.00016
.00020
.0001
.00016
.0039–<.0049 –9.8
>9.8–15.7
.00028
.00031
.00020
.00024
.00016
.00020
.00012
.00016
.0049–<.0063 –9.8
>9.8–15.7
.00035
.00039
.00024
.00028
.00020
.00024
.00016
.00020
.0063–<.0079 –9.8
>9.8–15.7
.00039
.00043
.00028
.00031
.00020
.00024
.00016
.00020
.0079–<.0098 –9.8
>9.8–15.7
>15.7–23.6
.00043
.00051
.00055
.00031
.00035
.00039
.00024
.00028
.00031
.00016
.00024
.00028
.0098–<.0124 –9.8
>9.8–15.7
>15.7–23.6
.00051
.00059
.00067
.00035
.00043
.00047
.00028
.00031
.00035
.00020
.00024
.00028
.0124–<.0157 –9.8
>9.8–15.7
>15.7–23.6
.00059
.00067
.00079
.00043
.00047
.00055
.00031
.00035
.00039
.00024
.00024
.00031
.0157–<.0197 –9.8
>9.8–15.7
>15.7–23.6
.00067
.00079
.00091
.00047
.00055
.00067
.00035
.00039
.00047
.00024
.00028
.00035
.0197–<.0248 –9.8
>9.8–15.7
>15.7–23.6
.00079
.00094
.00110
.00055
.00067
.00079
.00039
.00047
.00055
.00028
.00035
.00039
.0248–<.0315 –9.8
>9.8–15.7
>15.7–23.6
.00091
.00106
.00126
.00067
.00079
.00091
.00047
.00055
.00063
.00031
.00039
.00047
.0315–<.0394 –9.8
>9.8–15.7
>15.7–23.6
.00106
.00126
.00146
.00075
.00091
.00106
.00051
.00063
.00075
.00035
.00047
.00055
.0394–<.0492 –9.8
>9.8–15.7
>15.7–23.6
.00134
.00142
.00165
.00094
.00102
.00114
.00067
.00071
.00083
.00047
.00051
.00059
.0492–<.0630 –9.8
>9.8–15.7
>15.7–23.6
.00153
.00173
.00197
.00110
.00126
.00150
.00079
.00087
.00102
.00055
.00063
.00075
.0630–<.0787 –9.8
>9.8–15.7
>15.7–23.6
.00181
.00197
.00236
.00130
.00150
.00165
.00091
.00102
.00114
.00067
.00075
.00083
.0787–<.0984 –9.8
>9.8–15.7
>15.7–23.6
.00197
.00216
.00256
.00138
.00157
.00197
.00098
.00110
.00130
.00067
.00079
.00094
.0984–<.1240 –9.8
>9.8–15.7
>15.7–23.6
.00220
.00236
.00276
.00157
.00169
.00197
.00110
.00018
.00138
.00079
.00087
.00098
.1240–<.1969 –9.8
>9.8–15.7
>15.7–23.6
.00248
.00256
.00315
.00177
.00197
.00236
.00126
.00134
.00157
.00087
.00094
.00114

宽度公差,毫米

宽度公差,毫米

厚度 宽度 宽度公差,毫米 ±
公差等级
mm mm B1 B2 B3 B4
<0.25
–<20
20-<50
50-<125
125-<250
250-<400
400-<600
600-<800
0.07
0.10
0.15
0.20
0.30
0.40
0.60
0.05
0.07
0.11
0.15
0.20
0.30
0.40
0.03
0.05
0.07
0.10
0.15
0.20
0.30
0.02
0.035
0.05
0.07
0.10
-
-
0.25–
<0.50
–< 20
20–< 50
50-<125
125-<250
250-<400
400-<600
600-<800
0.10
0.15
0.20
0.25
0.35
0.50
0.70
0.07
0.11
0.15
0.20
0.30
0.35
0.50
0.05
0.07
0.10
0.15
0.20
0.25
0.35
0.03
0.05
0.07
0.10
0.15
-
-
0.50–
<1.00
–< 20
20–< 50
50-<125
125-<250
250-<400
400-<600
600-<800
0.15
0.20
0.25
0.30
0.40
0.60
0.80
0.11
0.15
0.20
0.25
0.30
0.40
0.60
0.07
0.10
0.15
0.15
0.20
0.30
0.40
0.05
0.07
0.10
0.10
0.15
-
-
1.00–
<1.60
–< 20
20–< 50
50-<125
125-<250
250-<400
400-<600
600-<800
0.20
0.25
0.30
0.35
0.45
0.70
0.90
0.15
0.20
0.25
0.25
0.35
0.50
0.60
0.10
0.15
0.15
0.20
0.25
0.35
0.40
0.07
0.10
0.10
0.15
0.20
-
-
1.60–
<2.00
–< 20
20–< 50
50-<125
125-<250
250-<400
400-<600
600-<800
0.25
0.30
0.35
0.40
0.50
0.70
0.90
0.20
0.20
0.30
0.30
0.35
0.50
0.60
0.15
0.15
0.20
0.20
0.25
0.35
0.40
0.10
0.10
0.15
0.15
0.20
-
-
2.00–
<2.50
–< 20
20–< 50
50-<125
125-<250
250-<400
400-<600
600-<800
0.35
0.35
0.40
0.45
0.55
0.80
1.00
0.25
0.25
0.30
0.35
0.40
0.60
0.70
0.20
0.20
0.20
0.25
0.30
0.40
0.50
0.15
0.15
0.15
0.20
0.25
-
-
2.50–
<4.00
–< 20
20–< 50
50-<125
125-<250
250-<400
400-<600
600-<800

0.40
0.45
0.50
0.60
0.80
1.00

0.30
0.30
0.35
0.40
0.60
0.70

0.20
0.20
0.25
0.30
0.40
0.50

0.15
0.15
0.20
0.25
-
-

宽度公差,英寸

宽度公差,英寸

厚度 宽度 宽度公差,英寸 ±
公差等级
in. in. B1  B2  B3  B4 
-<.0098 -< .79
.79 -< 1.97
1.97 -< 4.9
4.9 -< 9.8
9.8 -< 15.7
15.7 -< 23.6
23.6 -< 31.5
.0028
.0039
.0059
.0079
.0118
.0157
.0236
.0020
.0028
.0043
.0059
.0079
.0118
.0157
.0012
.0020
.0028
.0039
.0059
.0079
.0118
.0008
.0014
.0020
.0028
.0039
-
-
.0098-<.0197 -< .79
.79 -< 1.97
1.97 -< 4.9
4.9 -< 9.8
9.8 -< 15.7
15.7 -< 23.6
23.6 -< 31.5
.0039
.0059
.0079
.0098
.0138
.0197
.0276
.0028
.0043
.0059
.0079
.0118
.0138
0.197
.0020
.0028
.0039
.0059
.0079
.0098
.0138
.0012
.0020
.0028
.0039
.0059
-
-
.0197-<.0394 -< .79
.79 -< 1.97
1.97 -< 4.9
4.9 -< 9.8
9.8 -< 15.7
15.7 -< 23.6
23.6 -< 31.5
.0059
.0079
.0098
.0118
.0157
.0236
.0315
.0043
.0059
.0079
.0098
.0118
.0157
.0236
.0028
.0039
.0059
.0059
.0079
.0118
.0157
.0020
.0028
.0039
.0039
.0059
-
-
.0394-<.0630 -< .79
.79 -< 1.97
1.97 -< 4.9
4.9 -< 9.8
9.8 -< 15.7
15.7 -< 23.6
23.6 -< 31.5
.0079
.0098
.0118
.0138
.0177
.0276
.0354
.0059
.0079
.0098
.0098
.0138
.0197
.0236
.0039
.0059
.0059
.0079
.0098
.0138
.0157
.0028
.0039
.0039
.0059
.0079
-
-
.0630-<.0787 -< .79
.79 -< 1.97
1.97 -< 4.9
4.9 -< 9.8
9.8 -< 15.7
15.7 -< 23.6
23.6 -< 31.5
.0098
.0118
.0138
.0157
.0197
.0276
.0354 
.0079
.0079
.0018
.0118
.0138
.0197
.0236 
.0059
.0059
.0079
.0079
.0098
.0138
.0157
.0039
.0039
.0059
.0059
.0079
-
-
.0787-<.0984 -< .79
.79 -< 1.97
1.97 -< 4.9
4.9 -< 9.8
9.8 -< 15.7
15.7 -< 23.6
23.6 -< 31.5
.0138
.0138
.0157
.0177
.0217
.0315
.0394
.0098
.0098
.0118
.0138
.0157
.0236
.0276
.0079
.0079
.0079
.0098
.0118
.0157
.0197
.0059
.0059
.0059
.0079
.0098
-
-
.0984 -< .1575 -< .79
.79 -< 1.97
1.97 -< 4.9
4.9 -< 9.8
9.8 -< 15.7
15.7 -< 23.6
23.6 <- 31.5
-
.0157
.0177
.0197
.0236
.0315
.0394
-
.0118
.0118
.0138
.0157
.0236
.0276
-
.0079
.0079
.0098
.0118
.0157
.0197
-
.0059
.0059
.0079
.0098
-
-