Engineering Rubber Insulated Power Cable, 70 purple Copper Wire YH Welding Wire, Factory Wholesale
$657.50
Tianhongxiang YH 70mm² Rubber Insulated Welding Cable (Tianjin Factory Direct) – Engineering Grade Purple Copper Welding Wire
Tianhongxiang YH 70mm² is a Tianjin-produced engineering-grade rubber-insulated welding cable, with multi-strand purple oxygen-free copper conductor and heat-resistant rubber insulation/sheath, rated for AC ≤200V/DC peak ≤400V, ideal for high-current welding equipment secondary wiring and on-site mobile operations, balancing flexibility, durability, and high-current conductivity.
Core Specifications & Structure
| Item | Detail |
|---|---|
| Model | YH 70mm² (YHF oil-resistant optional) |
| Conductor | 630 strands × 0.34mm purple oxygen-free copper, Class 5 flexible conductor (GB/T 3956-2008), 20℃ DC resistance ≤0.268Ω/km |
| Insulation & Sheath | Heat-resistant rubber; insulation thickness ≥0.8mm, sheath thickness ≥1.2mm; long-term working temp 65℃ (YHF up to 85℃), max outer diameter ≤22.0mm |
| Voltage Rating | AC ≤200V, DC peak ≤400V; bending radius ≥6× cable outer diameter |
| Certification | CCC, GB 5013.3-2008 compliant |
| Packaging & Weight | 50m/100m roll; reference weight 780kg/km |
Key Advantages
- High-Current Stability: 70mm² cross-section with low-resistance purple copper conductor, rated current 240-280A, suitable for 500-800A welding machines.
- Extreme Flexibility: 630 ultra-fine strands for easy bending and dragging, ideal for mobile welding and tight-space operations.
- Durable Rubber Sheath: Wear/tear/oil/chemical resistant, suitable for rough industrial sites, extending service life.
- Temperature & Flame Resistance: Standard 65℃ (YHF 85℃), self-extinguishing rubber, safe for high-heat welding environments.
- Reliable Safety: Strict insulation thickness control prevents leakage; CCC certified for compliance with national welding cable safety standards.
Application Scope
- Engineering projects: Secondary wiring for arc welding, gas shielded welding, argon arc welding equipment, and connection to welding torches.
- Industrial sites: Shipbuilding, steel structure, automobile manufacturing, and on-site mobile welding operations.
- Equipment matching: Suitable for 500-800A high-power welding machines, and can be used with welding clamps and quick connectors.
Factory Wholesale Price Reference (100m/roll)
| Brand | Model | Price (RMB) | Discount & Service |
|---|---|---|---|
| Tianhongxiang | YH 70mm² (Standard) | 3800-4200 | Tianjin factory direct, full length, ≥5 rolls get 10% discount |
| Tianhongxiang | YHF 70mm² (Oil-resistant) | 4100-4500 | 85℃ heat/oil resistant, 5-year quality guarantee |
| Tianhongxiang | YH 70mm² (Custom Length) | 37-40/m | Custom 10-50m lengths available; free delivery within 50km of Tianjin |
Note: Prices fluctuate with copper prices, order quantity, and delivery address. Confirm the latest quotation with the factory.
Purchase & Construction Tips
- Quality Check: Verify CCC mark, conductor strand count/diameter, insulation/sheath thickness to ensure compliance with national standards.
- Model Selection: Choose YHF for oil-rich environments; avoid overloading beyond rated current to prevent overheating.
- Bulk Procurement: Confirm full length/weight per roll; sign a contract for quality/after-sales guarantee, especially for large engineering projects.
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