Our zinc coated Bundy tube via professional zinc plating,crafted with precision welding and strict dimensional control, it features tight tolerance and sturdy structure. Ideal for hydraulic brake systems, AC,refrigerators,heat exchanger,compressors, and meeting the high standards of precision fluid transmission applications.
| 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 a professional supplier of precision steel tubes ,forging and aluminum products with decades experience.
+86 18962244644
SHUANGSHAN ROAD, JINGANG TOWN, ZHANGJIAGANG CITY, JIANGSU PROVINCE, CHINA
sale@chewit.cn
