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Wire Rod
Produced at 100m/s speed with ±0.1mm diameter tolerance. Grades: SWRCH (cold heading), 72A-82B (spring), ER70S-6 (welding wire) for fastener, spring and wire manufacturing. |
Product Name: High-Speed Rolled Low Carbon/Alloy Wire Rod
Overview
Produced at 100m/s speed with ±0.1mm diameter tolerance. Grades: SWRCH (cold heading), 72A-82B (spring), ER70S-6 (welding wire) for fastener, spring and wire manufacturing.
| Type | Grade Standard | Diameter | Chemical Composition | Mechanical Properties |
|---|---|---|---|---|
| Cold Heading | SWRCH18A (JIS) | Φ5.5-16mm | C≤0.18%, P≤0.03% | Tensile 450-650MPa |
| Spring Steel | 72A (ASTM A510) | Φ6.0-18mm | C0.70-0.80%, Mn0.60% | Tensile 1100-1300MPa |
| Welding Wire | ER70S-6 (AWS 5.18) | Φ5.5-14mm | C0.06-0.15%, Mn1.40% | Yield ≥500MPa |
| Tire Cord | C82DA (EN 10270) | Φ5.5-12mm | C0.80-0.85%, S≤0.008% | Reduction ≥40% |
| Carbon Steel | Q195 (GB/T 701) | Φ6.5-20mm | C≤0.12%, Mn0.25-0.50% | Tensile ≥410MPa |
1. Deep Processing
Cold heading: Pass 1/3 upset test
Drawing: ≥65% reduction (spring steel)
2. Surface Quality
Scale ≤15μm (high-pressure descaling)
Defect depth ≤0.05mm (eddy current test)
3. Microstructure
Pearlite ≥92% (tire cord)
Grain size 8.0 (ASTM E112)
4. Customization
Ultra-low carbon (C≤0.01%)
Controlled cooling ≥20℃/s
| Wire Type | Specification | End Products |
|---|---|---|
| Cold Heading | SWRCH22A Φ8mm | Grade 10.9 bolts |
| Spring Steel | 72A Φ12mm | Auto suspension springs |
| Welding Wire | ER70S-6 Φ5.5mm | GMAW welding wire |
| Tire Cord | C82DA Φ11mm | Radial tire steel cords |
| Mesh Wire | Q195 Φ6.5mm | Galvanized welded mesh |
RUNYING STEEL GROUP
Tel：86-315-2199609
Fax：86-315-5538212
E-mail：admin@tsrysteel.com
Central Plaza, Tangshan City
website：lo.tsrysteel.com
Alibaba：https://tsrunying.en.alibaba.com
