Changzhou Joyruns Steel Tube CO.,LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 1500Tons/Month |
| Delivery Time | 10days |
| Packaging Details | wooden box packing, pallet packing |
| Techincal | Welded bundy tube |
| Grade | DC04, BHG1, BHG2, SPCC |
| Surface type | bright, Copper coated, Zinc coated |
| Usage | Refrigetor, wire on tube condenser, Evaporator |
| Tube diameter | 4.76~10mm |
| Wall thickness | 0.5mm, 0.55mm, 0.6mm, 0.65mm,0.7mm,0.8mm |
| Brand Name | Joyruns |
| Model Number | 4.76*0.5,4.76*0.6, 4.76*0.7, 6*0.6, 6*0.7,8*0.6 |
| Certification | ISO9001,ROHS |
| Place of Origin | Changzhou |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1500Tons/Month |
| Delivery Time | 10days | Packaging Details | wooden box packing, pallet packing |
| Techincal | Welded bundy tube | Grade | DC04, BHG1, BHG2, SPCC |
| Surface type | bright, Copper coated, Zinc coated | Usage | Refrigetor, wire on tube condenser, Evaporator |
| Tube diameter | 4.76~10mm | Wall thickness | 0.5mm, 0.55mm, 0.6mm, 0.65mm,0.7mm,0.8mm |
| Brand Name | Joyruns | Model Number | 4.76*0.5,4.76*0.6, 4.76*0.7, 6*0.6, 6*0.7,8*0.6 |
| Certification | ISO9001,ROHS | Place of Origin | Changzhou |
| High Light | EN10139 Steel Bundy Tube ，6.35*0.7MM Steel Bundy Tube ，DC04 10mm Steel Tube | ||
EN10139 DC04 6.35*0.7MM Single wall cold rolled zinc coated steel tubing in coil
It covers single-wall, double-wall, copper-brazed steel tubing, zinc-coated steel tubing suitable for general engineering uses, particularly in the automotive, refrigeration, and stove industries for fuel lines, brake lines, oil lines, heating and cooling units, and the like. The tubing is available in either of two types, single strip or double strip. It is delivered in straight length or coil type.
We supply steel tubes of many sizes with fine accuracies, made from low carbon steel strips.
Single wall steel tubing is the most common type of tubing used in household refrigeration applications. Bundy single wall tubing is manufactured by continuously forming a single low carbon steel strip into a tubular shape and welding the adjoining edges using a high-frequency induction welding process. Through strict process controls, the internal weld bead is held to a minimum and all external flashing is removed. Corrosion-resistant coatings are applied inline to assure uniform coverage.
We offer single wall electro-welded steel tube, also known as single wall Bundy tube. Mostly it's coated with copper for automotive use. Also, it can be plated with zinc for automotive and condenser use, or coated with PVF for automotive use, as an economic alternative for double-wall welded steel tubes.
Dimensions and Tolerances
Chemical Composition
| Chemical Composition | ||||
| C | Si | Mn | P | S |
| 0.08% | 0.03% | 0.03% | 0.02% | 0.02% |
Mechanical Properties
| Tensile Strength | 290Mpa |
| Yield Strength | 180Mpa |
| Elongation | 20% |
| Salt spray test | 48hours |
| Inside Surface Cleanliness | 20g/m2 |
SINGLE WALL STEEL TUBING OD & WT TOLERANCE
All the tube diameters can be available plain, zinc-coated or copper coated.
PLAIN TUBE
The plain tube is supplied with its outside surface slightly oiled to improve the resistance to oxidation. The tube shall be kept in dry storages, away from air drafts, humidity or any other corrosive agents
ELECTROLYTIC BOTH SIDE COPPER COATING
The steel strip from which the tube is made shall be copper coated on both sides with a copper layer ≥2µm. The area along the welding seam, on the outside surface is not coated because of the scarfing operation to remove the excessive bead.
HOT DIP ZINC COATING
Tube outside surface can be coated with a layer of zinc whose weight is ≥ 70 grams per square meter determined by UNI EN ISO 1460/97. This coating the tube withstands to > 72 h in salt spray fog test before showing red rust (according to UNI ISO 9227).
WORKING SHOP
Laboratory Testing Equipment
PACKING
Company Details
Business Type:
Manufacturer,Agent,Exporter,Seller
Year Established:
2000
Total Annual:
10000000-20000000
Employee Number:
150~300
Ecer Certification：
Verified Supplier
Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur... Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur...
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