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Tel:+86-139-158-49649 |
The tubes come in a Copper coating with Zinc and PVF being available as alternatives. All of our tubes meet current industry standards. Our quality systems assure accurate measurements and results. We certify all of our products. Our Bundy tubes are sold in straight lengths and in coils. |
Tolerances |
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OD |
Tolerance
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Wall Thickness |
Tolerance |
<3/16" (<4.76mm) |
±0.0020" (±0.05mm) |
0.03" (0.7mm) |
±0.0031" (±0.08mm) |
3/16"~5/16" (4.76mm~8mm) |
±0.0031" (±0.08mm) |
0.039" (1mm) |
±0.0039" (0.1mm) |
>5/16" (>8mm) |
±0.0059" (±0.15mm) |
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Chemical Composition | |||||||
Element | C | Si | Mn | P | S | Alt | |
‰Max | 0.6 | 0.3 | 3 | 0.3 | 0.3 | 0.2 | |
Mechanical Properties | |||||||
Tensile Strength | 42000psi (290MPa) | ||||||
Yield Strength | 26100psi (180MPa) | ||||||
Elongation | ≥25% | ||||||
Expansion | ≥20% | ||||||
Inside Surface Cleanliness | ≤0.16g/m2 |
Material & Chemical Composition |
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Application |
Steel Strip |
Elements |
C |
Si |
S |
Mn |
P |
|
AC&R |
Ultra Low Carbon Steel |
%max |
0.08 |
0.3 | 0.3 |
2.5 |
0.2 |
|
Automotive |
Low Carbon Steel |
%max |
0.8 |
0.3 | 0.3 |
3 |
0.3 |
Mechanical Preformance | Inside Surface Cleanliness | ||||
Anneal Condition | Normal | Soft | Elongation | Soluble | Non-Soluble |
Tensile Strength(MPa) | ≥270 | ≥230 | ≥14% | ≤0.2g/m2 | ≤0.03g/m2 |
Yield Strength(MPa) | ≥180 | 150-220 | ≥35% |