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
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寬度
厚度
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厚度允許偏差
|
||
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較高精度（A）
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一般精度（B）
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||
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＞600~1000
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＞1000~1250
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＞600~1250
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|
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0.05~0.10
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----
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----
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----
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＞0.10~0.15
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----
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----
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----
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＞0.15~0.25
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----
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----
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----
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＞0.25~0.45
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±0.040
|
±0.040
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±0.040
|
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＞0.45~0.65
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±0.040
|
±0.040
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±0.050
|
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＞0.65~0.90
|
±0.050
|
±0.050
|
±0.060
|
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＞0.90~1.20
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±0.050
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±0.060
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±0.080
|
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＞1.20~1.50
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±0.060
|
±0.070
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±0.110
|
|
＞1.50~1.80
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±0.070
|
±0.080
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±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
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2、日本工業(yè)標準
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厚度
|
寬度
|
|
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＜1250
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≥1250~＜1600
|
|
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≥0.30~＜0.60
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±0.05
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±0.06
|
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≥0.60~＜0.80
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±0.07
|
±0.09
|
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≥0.80~＜1.00
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±0.09
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±0.10
|
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≥1.00~＜1.25
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±0.10
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±0.12
|
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≥1.25~＜1.60
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±0.12
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±0.15
|
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≥1.60~＜2.00
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±0.15
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±0.17
|
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≥2.00~＜2.50
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±0.17
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±0.20
|
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≥2.50~＜3.15
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±0.22
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±0.25
|
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≥3.15~＜4.00
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±0.25
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±0.30
|
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≥4.00~＜5.00
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±0.35
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±0.40
|
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≥5.00~＜6.00
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±0.40
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±0.45
|
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≥6.00~＜7.00
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±0.50
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±0.50
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3、美國材料協(xié)會標準（ASTM）標準
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厚度
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允許偏差
|
寬度
|
||
|
上
|
下
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≤1000
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＞1000~≤1300
|
|
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0.10
|
0.03
|
0.03
|
|
|
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0.15
|
0.04
|
0.04
|
|
|
|
0.20
|
0.05
|
0.05
|
|
|
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0.25
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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
|