Black Annealed Wire For Agricultural Use Black annealed wire is resilient and easy to use, making it a solution for the recycling, agricultural and construction industries. Single plunger balers produce heavy and dense bales, which means the quality of black annealed load wire is more important than ever. Black annealed load wire (also known as stand wire) is drawn from medium carbon steel, annealed in a furnace and slowly cooled. This process produces a strong, clean annealed wire with excellent elongation. Specifications Wire material: iron wire, mild steel wire. Wire type: bright annealed wire, black annealed wire. Wire diameter: 6â??38 gauge. Surface: slightly oily wire surface. Surface treatment: thin layer of black smoke. Tensile strength: 300â??500 N/mm2. Zinc coating: at least 25 g/m2. Barb spacing: 7.5â??15 cm. Type: coil, straightened length, tie/belt pack. Available sizes: Wire size: 2.24 3.55 mm. Coil size: 50 kg.