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
|