常用不銹鋼厚度國家公差標準比較
鋼帶厚度的允許偏差
1、中國國家標準(GB)單位:mm
寬度
厚度
|
厚度允許偏差
|
||
較高精度(A)
|
一般精度(B)
|
||
>600~1000
|
>1000~1250
|
>600~1250
|
|
0.05~0.10
|
----
|
----
|
----
|
>0.10~0.15
|
----
|
----
|
----
|
>0.15~0.25
|
----
|
----
|
----
|
>0.25~0.45
|
±0.040
|
±0.040
|
±0.040
|
>0.45~0.65
|
±0.040
|
±0.040
|
±0.050
|
>0.65~0.90
|
±0.050
|
±0.050
|
±0.060
|
>0.90~1.20
|
±0.050
|
±0.060
|
±0.080
|
>1.20~1.50
|
±0.060
|
±0.070
|
±0.110
|
>1.50~1.80
|
±0.070
|
±0.080
|
±0.120
|
>1.80~2.00
|
±0.090
|
±0.100
|
±0.130
|
>2.00~2.30
|
±0.100
|
±0.110
|
±0.140
|
>2.30~2.50
|
±0.100
|
±0.110
|
±0.140
|
>2.50~3.10
|
±0.110
|
±0.120
|
±0.160
|
>3.10~<4.00
|
±0.120
|
±0.130
|
±0.180
|
2、日本工業標準
厚度
|
寬度
|
|
<1250
|
≥1250~<1600
|
|
≥0.30~<0.60
|
±0.05
|
±0.06
|
≥0.60~<0.80
|
±0.07
|
±0.09
|
≥0.80~<1.00
|
±0.09
|
±0.10
|
≥1.00~<1.25
|
±0.10
|
±0.12
|
≥1.25~<1.60
|
±0.12
|
±0.15
|
≥1.60~<2.00
|
±0.15
|
±0.17
|
≥2.00~<2.50
|
±0.17
|
±0.20
|
≥2.50~<3.15
|
±0.22
|
±0.25
|
≥3.15~<4.00
|
±0.25
|
±0.30
|
≥4.00~<5.00
|
±0.35
|
±0.40
|
≥5.00~<6.00
|
±0.40
|
±0.45
|
≥6.00~<7.00
|
±0.50
|
±0.50
|
3、美國材料協會標準(ASTM)標準
厚度
|
允許偏差
|
寬度
|
||
上
|
下
|
≤1000
|
>1000~≤1300
|
|
0.10
|
0.03
|
0.03
|
|
|
0.15
|
0.04
|
0.04
|
|
|
0.20
|
0.05
|
0.05
|
|
|
0.25
|
0.05
|
0.05
|
|
|
0.30
|
|
|
0.03
|
---
|
0.40
|
|
|
0.04
|
0.04
|
0.50
|
0.08
|
0.08
|
|
|
0.50
|
|
|
0.045
|
0.05
|
0.60
|
|
|
0.05
|
0.05
|
0.75
|
0.10
|
0.10
|
|
|
0.80
|
|
|
0.05
|
0.05
|
1.00
|
0.13
|
0.13
|
|
|
1.00
|
|
|
0.055
|
0.06
|
1.20
|
|
|
0.08
|
0.08
|
1.25
|
0.13
|
0.13
|
|
|
1.50
|
|
|
0.08
|
0.08
|
1.75
|
0.15
|
0.15
|
|
|
2.00
|
0.18
|
0.18
|
|
|
2.00
|
|
|
0.10
|
0.10
|
2.25
|
0.20
|
0.20
|
|
|
2.50
|
0.23
|
0.23
|
|
|
2.50
|
|
|
0.10
|
0.11
|
2.75
|
0.25
|
0.25
|
|
|
3.00
|
0.25
|
0.25
|
|
|
3.00
|
|
|
0.13
|
0.13
|
3.25
|
0.30
|
0.30
|
|
|
3.50
|
0.30
|
0.30
|
|
|
3.75
|
0.36
|
0.36
|
|
|
4.00
|
0.36
|
0.36
|
|
|
4.00
|
|
|
0.17
|
0.17
|
4.99
|
0.36
|
0.36
|
|
|
5.00
|
|
|
0.17
|
0.17
|
6.00
|
|
|
0.17
|
0.20
|
8.00
|
|
|
0.17
|
0.22
|