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Honed Tube
ST52 BK+S Honed Tube
Honed Tube Specifications:
1. Steel grade: ST52, ST52.3, 20#, 45#, 4140, 16Mn, 42CrMo, Q345B, Q345D, Stainless Steel 304/316, Duplex 2205, Alloy Steel etc.
2. ID: 20mm-1500mm
3. Length: max 13m
4. Straightness: 0.5/1000
5. Roughness(Ra): 0.2-0.4u
6. Tolerance EXT: DIN2391
7. Tolerance INT: ISO H8
8. Type: cold drawing, cold rolling, honed
9. Conservation: anti rust oiled inside and outside surface, plastic caps in both ends.
10. Package: bundle with steel strip and knitting strip, or wooden case.
|
Inside Dia (mm) |
ID Tolerance (mm) |
WT Tolerance (mm) |
||||
|
H7 |
H8 |
H9 |
H10 |
|||
|
≤30 |
+0.021/0 |
+0.033/0 |
+0.052/0 |
+0.084/0 |
±7.5% >210mm ±10% |
|
|
30 - ≤50 |
+0.025/0 |
+0.039/0 |
+0.062/0 |
+0.100/0 |
||
|
50 - ≤80 |
+0.030/0 |
+0.046/0 |
+0.074/0 |
+0.120/0 |
||
|
80 - ≤120 |
+0.035/0 |
+0.054/0 |
+0.087/0 |
+0.140/0 |
||
|
120 - ≤180 |
+0.040/0 |
+0.063/0 |
+0.100/0 |
+0.160/0 |
||
|
180 - ≤250 |
+0.046/0 |
+0.072/0 |
+0.115/0 |
+0.185/0 |
||
|
250 - ≤315 |
+0.052/0 |
+0.081/0 |
+0.130/0 |
+0.210/0 |
||
|
315 - ≤700 |
+0.057/0 |
+0.089/0 |
+0.140/0 |
+0.230/0 |
||
