U Shaped Tie Wire (also referred to as U type binding wire or pre-bent concrete wire) is engineered by cutting premium galvanized or black annealed steel wire to specific dimensions and bending it into a symmetrical “U” profile. This ingenious structural layout eliminates manual folding steps on site, allowing laborers to loop rebar nodes instantly. Treated via continuous oxygen-free vacuum furnaces, it delivers superior dead-soft ductility and maximum grip longevity for heavy-duty reinforcement fields.

  • Time-Saving Pre-Bent Structure: Symmetrical U-profile fits rebar combinations immediately, doubling daily installation efficiency.
  • Burr-Free Precision Ends: Clean, mechanical blade-sheared tips protect operators’ gloves and hands from punctures.
  • High Carbon Elastic Holding Power: Exceptional carbon-grain distribution holds high-tensile steel grids firmly without relaxation.
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Soft U Shaped Tie Wire – Symmetrical Pre-Bent Tying Wire Factory

Our U Shaped Tie Wire represents a highly popular, ergonomic architectural consumable preferred by modern construction procurement managers, heavy infrastructure contractors, and global building material distribution networks. By shifting the labor-intensive wire-bending process from the construction site to our fully automated factory matrices, we offer a product that cuts operational costs and optimizes human resources on high-density structural grids. Each piece features consistent leg symmetry, enabling standardized manual twisting or tool-assisted knotting.

Why Source Bulk U-Type Binding Wires From Our Production Facility?

We run integrated manufacturing lines that synchronize wire drawing, continuous inline heat treatment, mechanical straightening, and hydraulic mandrel bending under one facility. This guarantees that the core metallic crystal grains remain uniform, yielding a “dead soft” wire structure with zero spring-back memory. Whether your regional inventory commands black oxidized U-wires for thick foundation rebar cages or brilliant electro-galvanized U-wires for exposed structural masonry tying, our plant guarantees unmatched specifications alignment and high daily tonnages.

Technical Specifications & Dimension Standards Table

Standard Wire Gauge (BWG) Wire Diameter (mm) Pre-Bent Length Options Standard U-Widths Surface Option Finishes
BWG 16 (Top Standard) 1.65 mm 300mm, 400mm, 500mm, 600mm 40 mm / 50 mm / 60 mm Black Annealed / EG / HDG
BWG 18 (Highly Requested) 1.25 mm 250mm, 300mm, 350mm, 400mm 35 mm / 40 mm / 50 mm Black Annealed / Electro Galv.
BWG 20 (Flexible Tying) 0.89 mm 200mm, 300mm, 400mm 30 mm / 40 mm Electro Galvanized / Soft Black
BWG 22 (Fine Crafting) 0.71 mm 200mm, 250mm, 300mm 30 mm Only Black Annealed Only

Primary Infrastructure & Commercial Applications

Engineered for high-speed site mechanics and physical structural accuracy, our U pre-bent ties are highly valued for:

  • Structural Concrete Rebar Mesh Interlocking: Instantly straddling crossed steel bar joints on columns, bridge decks, subways, and structural foundation block grids.
  • Industrial Daily Packaging & Bundling: Rapidly securing bulk agricultural crops, heavy industrial storage sacks, and commercial waste materials.
  • Wall Mesh Fitting & Masonry Attachments: Easily anchoring expanded metal sheets or brick reinforcing meshes to concrete blockwork frameworks.

Frequently Asked Questions (FAQ) Regarding U Shaped Wire

Q1: Does the pre-bending process create stress-cracking or weaken the structural point of the U-wire?

A: No. Because we use highly uniform, oxygen-free dead soft annealed core wire with elongation values up to 28%, the steel possesses magnificent structural elasticity. Our hydraulic benders shape the wire smoothly over balanced radii, guaranteeing zero localized stress accumulation or skin flaking.

Q2: How do I select the right U-width and expanded length for my specific structural rebar combinations?

A: The ideal U-width should comfortably clear the total combined diameters of your overlapping rebar rods. The extended length must provide an additional 50mm to 80mm beyond the mesh thickness to allow your rebar twister hook tool to wrap a secure, heavy-duty knot without binding limitations.

Q3: How does your factory protect U-shaped bundles from severe distortion or crushing during maritime shipping?

A: Unlike linear cut wires, U-wires have open shapes that are more vulnerable to external impact. We tightly pack the wires in compressed sub-bundles wrapped in anti-humidity plastic film, box them in reinforced corrugated cartons, and seal them inside fully enclosed plywood crates or rigid structural steel-wrapped pallets.

Q4: What standard testing certifications accompany your wholesale B2B container shipments?

A: Each shipment leaves our plant with an authentic Mill Test Certificate (MTC) outlining the batch’s ladle chemistry, wire diameter gauge precision, verified tensile strength, and exact length/width dimensional metrics. Pre-shipment inspections by SGS or Bureau Veritas are always fully accommodated.

Get Factory-Direct Wholesale Price & Free Samples

Are you searching for a stable, high-capacity Chinese manufacturer to optimize your U shaped tie wire procurement costs? Partner with us to enjoy premium pre-bent building 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 full container loads (20GP) designed to maximize your local commercial construction hardware margins.
  • 100% Free Samples: Physical U-shaped pre-bent testing samples are available immediately for your local laboratory length tolerance, bend radius structural integrity, or job site field verification.
  • Guaranteed Fast Lead Time: Our multi-furnace continuous annealing lines and high-speed automated hydraulic mandrel benders 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 loaded inside fully enclosed structural plywood crates) to thoroughly eliminate ocean salt rust, profile deformation, or leg bending during transit.
Material

Premium Low Carbon Steel (Q195 / Q235)

Wire Gauge Range

BWG 16 – BWG 22 (1.65mm – 0.71mm)

Length Range (Before Bending)

200 mm – 1000 mm (Customizable Cut Lengths)

U-Width Dimension

30 mm – 100 mm (Precision Mandrel Bent)

Thermal Treatment

Dead Soft Annealed (Continuous Oxygen-Free Furnaces)

Surface Treatment

Black Annealed (Lightly Oiled) / Electro Galvanized / Hot-Dipped Galvanized

Tensile Strength

300 N/mm² – 450 N/mm² (Engineered for Rapid Manual Twist Tying)

Elongation Rate

15% – 28% (Excellent Plasticity)

Standard Compliance

ASTM A853 / ASTM A641 / BS 1052

Packaging Details

1kg – 10kg/bundle, Coated in Multi-Layer Cartons packed on Heavy Pallets / Wooden Crates

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