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| Place of Origin | Changzhou |
| Brand Name | Joyruns |
| Certification | ISO9001,ROHS |
| Model Number | 4.76*0.5,4.76*0.6, 4.76*0.7, 6*0.6, 6*0.7, |
ASTM A254 BHG1
Lower carbon Welded precision single wall Bundy tube is mainly used on refrigeration condenser and evaporator, brake tube, oil injection tube line and link pipe parts. It would be in coils and straight tubes.
We can supply all kinds of condenser coated Bundy tube, copper-coated tube, condenser pipe, Bundy tube, steel pipe
THE TYPE OF SURFACE COATING, CONDITION AND CODE STEEL TUBE
| type | Coating condition | code |
| Without coated | Inner and outer side without coating | SWP |
| CU coated | Cu coated on outer side only | SWCu |
| ZN Coated a | Outer with white /colour/olive ZN coated | SWZn |
| CU coated both sides b | Cu coated on outer and inner side both | SWCuCu |
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ZN coated outer, CU coated inner c |
Outer Zn coated, inner CU coated | SWZnCu |
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an electric or hot-dip galvanized. b made by both sides CU coated steel coil. On the welding line,to be negotiated c made by both sides CU coated steel coil |
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Tolerance of OD
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OD |
usual(PA) |
precision(PC) |
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＜4.76 |
±0.08mm |
±0.05mm |
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4.76 ～ 8.00 |
±0.12mm |
±0.07mm |
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＞8.00 ～ 12.00 |
±0.16mm |
±0.10mm |
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＞12.00 |
±0.20mm |
±0.12mm |
Mechanical property
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type |
Tensile strength Rm/Mpa |
Yield strength ReL/Mpa |
elongation A/% |
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Soft tube(MA) |
280-320 |
≥170 |
≥35 |
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Hard tube(MB) |
320-350 |
≥200 |
≥25 |
Plant & Testing
Wooden box packing & Pallet packing
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