High-Quality KCF Alloy Rods for Resistance Welding | Insulated KCF Material for Guide Pins & Sleeves
KCF Alloy is a special heat-treated metal material with a high-quality insulating skin generated on its surface.
Unlike ceramic pins, KCF material offers superior toughness and resistance to thermal shock, ensuring it won’t crack under the high-pressure and high-temperature environments of projection nut welding.
Description
Core Advantages
Stable Insulation Skin: Bloom’s unique heat treatment process creates a deep, black insulating layer that won’t peel or flake off during heavy-duty welding.
Superior Toughness: Compared to brittle ceramics, KCF material has the mechanical strength of an alloy, making it resistant to impact and cracking.
High Wear Resistance: Designed for high-volume production lines, our KCF rods offer a long service life, reducing downtime and replacement costs.
Excellent Machinability: Our KCF rods can be easily machined into various shapes (M4, M5, M6, M8, M10, M12 pins) according to your specific blueprints.
Application Scope
Automotive Manufacturing: Widely used in Body-in-White (BIW) lines for projection nut and stud welding.
Resistance Welding: Perfect for making guide pins, bushings, and sleeves that require electrical insulation.
Brazing Jigs: High-temperature resistant components for specialized jig systems.
Customization & Service
At Bloom, we don’t just sell rods. We understand the precision required in the automotive industry.
Custom Shapes: We can provide both raw rods and finished KCF pins based on your drawings.
Strict Quality Control: Every batch is tested for insulation resistance and surface hardness.
Direct Factory Price: Save costs by sourcing directly from the production line.
| Property | Specification |
|---|---|
| Material Code | KCF Alloy |
| Insulation Layer | 8μm to 30μm (Stable Surface Layer) |
| Hardness | ≥ 200 HV (After special heat treatment) |
| Tensile Strength | ≥ 539 N/mm² |
| Yield Strength | ≥ 392 N/mm² |
| Elongation | ≥ 15% |
| Diameter Range | Φ10mm to Φ40mm (Standard & Custom) |
| Standard Length | 1000mm |
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