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不锈钢管尺寸公差单
|
尺寸
标准 |
外径（mm） |
壁厚（%） |
切割长度（mm） | ||||
|
尺寸 |
公差 |
尺寸(mm) |
公差 |
尺寸 |
公差 | ||
|
GB/T14975-02 |
10~30 |
+0.30/-0.30 |
S≤3 |
+14/-14 |
1.0~3.0 |
+15/0 | |
|
30~50 |
+0.40/-0.40 |
S＞3 |
+12/-10 |
|
| ||
|
D＞50 |
+0.9%/-0.9% |
|
|
|
| ||
|
GB/T14976-02 |
6~10 |
+0.20/-0.20 |
0.5~1.0 |
+0.15/-0.15mm |
|
+15/0 | |
|
10~30 |
+0.30/-0.30 |
1.0~3.0 |
+14/-14 | ||||
|
30~50 |
+0.40/-0.40 |
＞3 |
+12/-10 | ||||
|
D＞50 |
+0.9%/-0.9% |
|
+12.5/-12.5 | ||||
|
GB13296-91 |
≤140 |
+1.25%/-1.25% |
≤10 |
+15/-15 |
|
| |
|
＞140 |
+1%/-1% |
＞10 |
| ||||
|
ASTM213 |
D＜25.4 |
+0.10/-0.10 |
D＜38.1 |
+20/0 |
D＜50.8 |
+3.0/0 | |
|
25.4~38.1 |
+0.15/-0.15 | ||||||
|
38.1~50.8 |
+0.20/-0.20 | ||||||
|
50.8~63.5 |
+0.25/-0.25 |
D≥38.1 |
+22/0 |
D≥50.8 |
+5.0/0 | ||
|
63.5~76.2 |
+0.30/-0.30 | ||||||
|
76.2~101.6 |
+0.38/-0.38 | ||||||
|
101.6~190.5 |
+0.38/-0.64 | ||||||
|
190.5~228.6 |
+0.38/-1.14 | ||||||
|
ASTM A269 |
D＜12.7 |
+0.13/-0.13 |
|
+15/-15 |
|
+3.2/0 | |
|
12.7~38.1 |
+10/-10 | ||||||
|
38.1~88.9 |
+0.25/-0.25 |
+4.8/0 | |||||
|
88.9~139.7 |
+0.38/-0.38 | ||||||
|
139.7~203.2 |
+0.76/-0.76 | ||||||
|
ASTM A312 |
10.29~48.26 |
+0.40/-0.80 |
|
+12.5/-12.5 |
|
+6.0/0 | |