Our plain welded Bundy tube excels in structural stability and practicality. Fabricated with high-quality base materials and precise welding processes, it maintains consistent dimensions and reliable sealing performance. Suitable for general hydraulic circuits, Ideal for hydraulic brake systems, AC,refrigerators,heat exchanger,compressors, and others
| Dimension | |
| OD(mm) | WT(mm) |
| 4 | 0.5 |
| 4.76 | 0.6 |
| 4.76 | 0.65 |
| 6 | 0.6 |
| 6 | 0.65 |
| 8 | 0.6 |
| OD＜8mm, use hot dipped galvanized OD ≥ 8mm, use eletronic zinc coating(galvanizing) |
|
| Dimension check | Tolerance on Outer Diameter(mm) +0.05mm -0.05mm |
|
| Tolerance on Wall Thickness(mm) +0.05mm -0.05mm |
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| Seal Airtight Test | 1.6Mpa N2,without leaking | |
| Inside Surface Cleanliness （soluble residue） (insoluble residue) |
＜50mg/m² |
|
MECHANICAL COMPOSITION(%) |
TENSILE Rm(N/mm2) |
≥270 |
| YIELD Rel(N/mm2) |
≥180 | |
| ELONGATION A |
(%)≥14 | |
CHEMEICAL COMPOSITION(%) |
C | ≤0.11% |
| Mn | ≤0.4% | |
| S | ≤0.03% | |
| P | ≤0.03% | |
| Surface treatment: copper-plated, zinc-coated, without smooth coating |
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Zhangjiagang Chewit International Co.,ltd, is the professional supplier in china for high precision seamless steel pipe of carbon, alloy.
+86 18962244644
SHUANGSHAN ROAD, JINGANG TOWN, ZHANGJIAGANG CITY, JIANGSU PROVINCE, CHINA
sale@chewit.cn
