Soft Annealed Rebar Tie Wire – Construction Concrete Binding Wire Factory
Our Rebar Tie Wire stands as a premier structural consumable trusted by international construction conglomerates, concrete mesh prefabricators, and commercial building material distributors worldwide. The secret to our wire’s market superiority lies in our state-of-the-art oxygen-free furnace control. By eliminating structural brittleness, the wire receives an incredibly homogenous grain structure. This metallurgical precision ensures the tying wire maintains maximum holding power under the intense shifting stress of heavy structural steel rebar cages prior to concrete pouring.
Engineered Performance for High-Speed Site Tying Workflows
We understand that on a bustling commercial construction site, time is profit. If tying wires fracture prematurely or snap under the twist of a rebar twister tool, laborers lose critical momentum. Our black annealed and galvanized rebar wires are coated with a specialized, non-greasy rust-inhibiting light oil layer. This unique finish reduces abrasive friction inside automatic tying gun housings and belt-worn wire reels, ensuring a frictionless feed and flawless, tightly bound joints every single time.
Technical Specifications & Standard Wire Gauge Table
| Standard Gauge (BWG) | Diameter (mm) | Tensile Strength | Available Finishes | Elongation Rate (%) |
|---|---|---|---|---|
| BWG 16 (Most Popular) | 1.65 mm | 300 – 400 N/mm² | Black Annealed / EG / HDG | ≥ 20% – 28% |
| BWG 18 (Medium Flex) | 1.25 mm | 320 – 420 N/mm² | Black Annealed / EG / PVC Coated | ≥ 18% – 25% |
| BWG 20 (Fine Tying) | 0.89 mm | 350 – 450 N/mm² | Black Annealed / Electro Galvanized | ≥ 15% – 22% |
| BWG 22 (Ultra Soft) | 0.71 mm | 350 – 450 N/mm² | Black Annealed Only | ≥ 15% – 20% |
Primary Architectural Applications
Engineered for high structural reliability, our carbon steel binding wire is critical for:
- Concrete Rebar Mat Tying: Firmly interlocking horizontal and vertical steel reinforcing bars on foundation pours, bridge decks, and high-rise floor slabs.
- Double Loop & Straight Cut Processing: Serves as ideal stock feed for conversion into pre-cut loop ties used in industrial bag sealing and agricultural bundling.
- Precast Concrete Products: Secures localized steel wire meshes inside prefabricated concrete pipes, culverts, and structural wall panels.
Frequently Asked Questions (FAQ) Regarding Rebar Tie Wire
Q1: Why is oxygen-free annealing better than traditional open-fire annealing for tie wire?
A: Traditional open-fire annealing creates thick, messy black iron oxide scales on the wire surface, making it rough, brittle, and dirty for workers to handle. Our automated oxygen-free vacuum furnaces ensure a clean, smooth, scale-free surface while maximizing carbon distribution for unmatched “dead soft” flexibility.
Q2: Do your small tie wire coils fit standard commercial belt-mounted dispensers?
A: Yes. Our mini-coils (such as 3.125 lbs or 5 lbs coils) are precisely coiled with centralized square or circular openings designed to fit seamlessly into industry-standard belt-worn wire tying reels (e.g., standard USA/European dispenser systems).
Q3: How do you prevent black annealed wire from rusting during sea transport and warehousing?
A: Since bare annealed wire is highly sensitive to humidity, we apply an ultra-thin protective layer of high-grade anti-rust light oil. We then double-wrap the coils in heavy plastic film and PP woven sheets, placing them inside reinforced corrugated boxes firmly bound onto export-grade pallets with desiccant packs.
Q4: What is the optimal container loading weight for bulk 20GP rebar wire export?
A: Since tie wire is a high-density, heavyweight cargo, we pack exactly to the maximum maritime container limit allowed by destination ports. Usually, we load between 25 to 27 metric tons into a single 20ft container (20GP) on heavy-duty reinforced wooden pallets to minimize your per-ton ocean freight cost.
Get Factory-Direct Wholesale Price & Free Samples
Are you searching for a stable, high-capacity Chinese manufacturer to optimize your <strong>rebar tie wire</strong> procurement costs? Partner with us to enjoy premium soft annealed binding wires compliant with ASTM A853/BS 1052 standards and seamless global supply chain service.
- Flexible Tiered Pricing: Massive volume-based discounts and competitive FOB/CIF/CFR quotes for heavy-duty full container loads (20GP) to drastically reduce your local commercial building material import overheads.
- 100% Free Samples: Physical soft annealed testing samples are available immediately for your local engineering tensile strength, core elongation, or job site field verification.
- Guaranteed Fast Lead Time: Our multi-furnace automated continuous annealing facilities and steady Q195 low carbon steel rod inventory guarantee prompt massive manufacturing and on-time shipping schedules.
- Customized Packaging: Heavy-duty marine-grade dual packing (waterproof anti-moisture wrapping film inside + rugged protective corrugated cartons/woven bags outside on reinforced pallets) to thoroughly eliminate ocean salt rust, oil weeping, or coil scattering.
