Hairpin-Specific Steel Wire
Delivering precision, durability, and flexibility for fashion accessory manufacturing.
Hairpin-specific steel wire is a crucial foundational material in the fashion accessories supply chain, with its quality directly determining the elasticity, durability, tactile feel, and overall grade of the finished hairpin. Our professionally manufactured hairpin wire utilizes premium carbon structural steel. Through precision drawing processes and scientific surface treatment techniques, it is specifically engineered to meet the manufacturing demands of various hairpins, barrettes, headpieces, and other small spring clips. Whether for artisanal DIY workshops or large-scale accessory manufacturers, our products offer precise matching across wire diameter, mechanical properties, and surface finish-empowering you to create stylish, durable fashion pieces.
In-Depth Analysis of Core Product Features and Value
Detailed Technical Specifications Table
| Parameter Category | Detailed Item | Technical Specifications and Scope | Test Standard/Description |
| Basic Specifications | Wire Diameter | 0.88mm, 0.90mm, 0.95mm, 1.00mm, 1.05mm, 1.10mm, 1.15mm, 1.20mm, 1.25mm, 1.30mm, 1.35mm, 1.40mm | Custom sizes available upon request |
| Diameter tolerance | ±0.02mm (Precision grade) | ISO 6892-1 | |
| Material Grade | SWRH 62A, 65Mn, 70#, and other medium-to-high carbon steels | Material certification provided | |
| Mechanical Properties | Tensile Strength | 600 - 1000 MPa (available in graded specifications) | ASTM A370 / GB/T 228.1 |
| Vickers Hardness | HV 180 - 280 (adjustable) | ASTM E92 | |
| Number of repeated bends (R=5mm) | ≥ 8 times (when diameter ≤ 1.2mm) | GB/T 238 | |
| Winding Test | Wrap 6 times its own diameter without cracking | GB/T 2976 | |
| Surface Treatment | Galvanizing | Electrogalvanizing (Blue-White Zinc/Colored Zinc), thickness 5-15μm | ASTM B633 |
| Galvanized Salt Spray Test | ≥ 48 - 72 hours (to white rust) | ASTM B117 | |
| Phosphating | Zinc-based phosphating, coating weight 2–5 g/m² | GB/T 6807 | |
| Surface roughness | Ra ≤ 1.0μm (smooth finish) | Facilitates subsequent machining | |
| Packaging Format | Plastic Spool | Per Spool Weight: 5kg, 7kg, 10kg, 14kg | Suitable for Small to Medium Batch Production |
| Coil | Per roll weight: 50kg, 100kg, 200kg | Suitable for high-volume automated feeding | |
| Inner Packaging | Rust-proof paper + stretch wrap | Moisture protection | |
| Outer Packaging | High-strength cardboard boxes / Reinforced with wooden pallets | Suitable for export transportation |
Professional Application Scenarios and Selection Guide
Handmade DIY & Boutique Workshops
For small-batch handmade hair accessories seeking unique designs, we recommend fine-gauge wire (0.88-1.0mm) packaged on spools (5-7kg/spool). Spools offer easy access and minimal tangling. Their smooth galvanized surface allows direct use with metal fittings or as a base frame for wrapping fabric or ribbon.
Small to Medium-Sized Jewelry Factories
For factories with moderate output requiring both efficiency and flexibility, we suggest stocking two primary gauges: 1.0mm and 1.2mm. Choose either 14kg spools or 50kg small I-beam reels. These two gauges cover over 80% of standard hair clip production needs. Surface treatment should align with subsequent processes: choose galvanized for electroplating/coloring, or phosphated for spray painting or rubber coating.
Large-Scale Automated Production Lines
For monthly output reaching hundreds of thousands of units, large spools (100-200kg/roll) paired with automatic straightening/cutting machines or automatic spring coiling machines offer peak efficiency. Our large coils enable continuous production for hours without material changes, significantly boosting equipment utilization. At this scale, stringent requirements for wire diameter tolerance and consistent mechanical properties are essential. Our ±0.02mm precision tolerance ensures stable equipment operation and minimizes defect rates.
Premium Rust-Resistant or Export Products
For hairpin products destined for humid regions or high-end gift markets, we recommend thicker galvanized wire (10-15μm) or galvanized + passivated wire. This provides superior corrosion protection, ensuring finished products maintain their pristine appearance throughout transportation and storage.
why choose us
Your Professional Jewelry Wire Partner
why choose our products
Specialized Precision Manufacturing Experience in Fine-Diameter Wire: We focus on producing specialty steel wires with diameters below 2.0mm, possessing deep insight into the needs of the hairpin industry. We understand that consistent elasticity and surface finish are the most valued qualities for hairpin wire. Through years of technical expertise, our products have earned a strong reputation in both areas.
Stringent Quality Control Throughout the Entire Process: We maintain over 15 quality control points-from chemical composition spectral analysis of incoming raw materials, to online dimensional monitoring during the drawing process, to hardness and elasticity testing of finished products. Every batch of wire shipped includes a traceable quality report, ensuring authentic and reliable performance data.
Flexible and Efficient Customization Services: Our rapid mold-change production capability allows us to flexibly respond to customer requests for special diameters, hardness levels, or packaging. Whether you need small samples for trial production or stable bulk supply, we deliver in the shortest possible time.
Boosting Your Product Competitiveness: We go beyond supplying base materials, dedicating ourselves to enhancing your finished product quality through material optimization. Our engineering team can recommend the optimal wire diameter and hardness combination based on your hairpin's specific structure. This ensures secure holding power while optimizing user comfort, making your product more appealing in the marketplace.
Choosing us means selecting a strategic partner who treats consistent quality, technical expertise, and long-term collaboration as our lifeline. We sincerely invite you to request complimentary samples and experience firsthand the exceptional performance of our hairpin-specific steel wire in elasticity, surface finish, and forming convenience. Let's begin with a single high-quality wire and collaborate to create exquisite hair accessories that lead fashion trends.
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