Strict Diameter Tolerance: Why It Matters
In wire rod applications, diameter consistency directly impacts:
Downstream processing: Consistent diameter ensures uniform drawing, rolling, or cutting performance
Alloy addition accuracy: Precise cross-section allows exact weight calculations for smelting recipes
Magnetic component performance: Uniform dimensions ensure consistent magnetic path length in electromagnetic applications
Product Specifications
Standard Diameters Available
| Diameter (mm) | Tolerance Class | Typical Applications |
|---|---|---|
| 5.5mm – 6.5mm | Precision | Fine wire drawing, welding electrodes |
| 8.0mm – 12.0mm | Precision | General purpose, cold heading, fasteners |
| 14.0mm – 16.0mm | Precision | Heavy drawing, machining stock |
| 18.0mm – 20.0mm | Precision | Large components, direct forming |
Custom diameters within 5.5mm – 20mm range available upon request.
Surface Conditions
| Surface Type | Description | Best Suited For |
|---|---|---|
| Hot rolled | As-rolled surface with light scale | Remelting, alloy addition |
| Pickled | Scale-free, clean surface | Direct forming, coating |
| Lime coated | Pickled + lime coating | Drawing applications |
| Phosphated | Phosphate coating with soap | Severe cold forming |
Applications
For Alloy Smelting
Superalloy production: Controlled chemistry carrier for nickel and cobalt-based alloys
Precision alloy manufacturing: Consistent base material for magnetic and expansion alloys
Stainless steel refining: Clean addition for chemistry adjustment
For Electromagnetic Components
Magnetic shielding: High permeability material for sensitive electronics
Relay and contactor parts: Consistent magnetic performance
Sensor elements: Uniform properties for reliable sensing
For Cold Forming and Fasteners
Rivet and fastener production: Consistent diameter ensures uniform forming
Cold heading stock: Tight tolerances reduce tool wear
Machining stock: Predictable material removal rates
Frequently Asked Questions
Q: What diameter tolerances can you guarantee?
A: For diameters 5.5mm-10mm, we guarantee ±0.15mm (vs. ISO standard ±0.30mm). For 10.5mm-16mm, ±0.20mm (vs. ISO ±0.35mm). For 16.5mm-20mm, ±0.25mm (vs. ISO ±0.40mm) .
Q: Can you supply wire rod with custom chemistry?
A: Yes. As a manufacturer, we can adjust chemical composition within our production capabilities. Standard grades include DT4 series (electromagnetic) and YT series (melting grade) .
Q: What is the minimum order quantity for custom coil weights?
A: For standard diameters with custom coil weights, MOQ is typically 10-20 tons. For non-standard diameters with custom weights, please contact us for feasibility.
Q: How is the wire rod packaged for export?
A: Coils are secured with steel strapping, wrapped in waterproof plastic, and packed on wooden pallets or steel frames suitable for container loading. Additional packaging requirements can be accommodated.
Q: Do you provide mill test certificates?
A: Yes, every shipment includes a Mill Test Certificate with complete chemical analysis and dimensional verification.
Q: What surface conditions are available?
A: We offer hot rolled (as-rolled), pickled (scale-free), lime coated, and phosphated surfaces. The choice depends on your intended application .
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