| |
|
| 锅炉管尺寸公差 |
外径OD公差
| Standard |
OD |
OD tolerance |
| DIN17175 |
≤120mm |
±0.6% (min.±0.25mm) |
| >120mm |
±0.75% |
| ASMESA-192M |
≤25.4mm |
±0.10mm |
| ASMESA210 |
25.4-38.1mm |
±0.15mm |
| ASMESA-213M |
38.1-50.8mm |
±0.20mm |
| |
50.8-63.5mm |
±0.25mm |
| |
63.5-76.2mm |
±0.30mm |
| |
76.2-101.6mm |
±0.38mm |
| |
101.6-190.5mm |
+0.38mm,-0.64mm |
| ASMESA106 |
≤48.3mm |
±0.40mm |
| |
48.3-114.3mm |
±0.79mm |
| |
>114.3mm |
+1.59mm,-0.79mm |
| EN10216-1 |
- |
±1%,min. ±0.5mm |
| ASMESA450 |
≤101.6mm |
+0.4mm,-0.8mm |
| >101.6-190.5mm |
+0.4mm,-1.2mm |
| ASMESA530 |
≤48.3mm |
+0.4mm,-0.8mm |
| >48.3-114.3mm |
±0.8mm |
| >114.3mm |
+1.6mm,-0.8mm |
壁厚WT公差
| Standard |
OD |
WT |
WT tolerance |
| DIN17175 |
≤130mm |
S≤2Sn |
+15%,-10% |
| |
|
2Sn<S≤4Sn |
+12.5%,-10% |
| |
|
S≤4Sn |
±9% |
| |
|
S≤0.05da |
+17.5%,-12.5% |
| |
|
0.05da>S≤0.11da |
±12.5% |
|
|
S>0.11da |
±10% |
ASME SA-192M
ASME SA-210
ASME SA-213M |
≤38.1mm |
1.5-3.0mm |
+20%,-0% |
| >38.1mm |
>3.0mm |
+22%,-0% |
|
|
| ASME SA106 |
|
|
-12.5% |
| EN10216-1 |
≤219.1mm |
|
±12.5%,min±0.4mm |
| ASME SA450 |
- |
2.4-3.8mm |
+35%,-0% |
| >3.8-4.6mm |
+35%,-0% |
| >4.6mm |
+23%,-0% |
| ASME SA530 |
|
|
±12.5% |
|
|
|
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