Special produce the Single wall steel tube,double wall steel tube,bundy tube,condenser,evaporator for refrigeration  etc .

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Single Wall Cold Drawn Welded Tubes / Steel Bundy Tube 4.2 * 0.7 mm

Single Wall Cold Drawn Welded Tubes / Steel Bundy Tube 4.2 * 0.7 mm

Single Wall Cold Drawn Welded Tubes / Steel Bundy Tube 4.2 * 0.7 mm

Product Details:

Place of Origin: Changzhou ,China
Brand Name: wushun
Certification: ISO9001, ISO14001
Model Number: 4.2*0.7mm
Outer Diameter: 4.2mm
Wall Thickness: 0.7mm

Payment & Shipping Terms:

Minimum Order Quantity: 1 TON
Packaging Details: Plastic cloth coil,wooden box, iron pallet, iron box
Delivery Time: According to quantity about order
Payment Terms: T.T ,L/C, D/P, O/A etc
Supply Ability: 30000TON each year
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Detailed Product Description
High Light:

electric resistance weld


galvanized steel pipe

 Single Wall Cold Drawn Welded Tubes / Steel Bundy Tube 4.2 * 0.7 mm


 features: soft  and easy to bend
 low carbon steel strip
 Section Shape: Round
 Application: refrigerator, freezer
 standard: GB/T 24187-2009



 1. materials: low carbon steel strip

 2. main use: widely used in wire-tube condenser, evaporators, refrigerator, chiller, heaters, freezer etc

 3. outer diameter: 4.2mm

 4. wall thickness: 0.7mm

 5. standard: GB/T 24187-2009

 6. certification: also passed ISO9001 quality attestation system and ISO14001 Certificate of Environment Management  System

 7. surface treatment: copper coated, no coating etc

 8. features: soft  and easy to bend

 9. tensile strength: more than 290 Mpa

 10. yield strength: more than 180 Mpa

 11. elongation: more than 25%

 12. place of origin: changzhou city, jiangsu province, China

 13. port of loading: shanghai, China

 14. package: plastic cloth with coils, wooden boxes, iron pallets etc

 15. delivery: by contract

 16. payment terms: T/T,L/C etc

 17. supply ability: 30000 ton per year

 18. brand: WUSHUN




 Single wall steel tube is an important part  of  refrigeration system ,mainly used in refrigerator, freezer ,condenser, evaporator etc. It is made by low carbon steel strip and based on the national standard.






dimensional tolerance

Mechanical properties

Diameter tolerance

Wall thickness tolerance

tensile strength

yield strength


single wall steel tube  4.2*0.7mm














 Competitive Advantage:


 Normally including  plain, copper coated outside, copper coated two sides  and zn coated, hot galvanized steel tube etc. Size is  complete until OD more than 10mm, quality is strictly according to country's standard, price is competitve and best price with best quality. It has been recognized by market and the scale has been enlarged step by step. It has been exported to the Middle of East, Africa and so on.

Contact Details

Contact Person: penny

Tel: +8613915053853

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