Customized Low Carbon Spring Black Coil Drawn Steel Wire

Customized Low Carbon Spring Black Coil Drawn Steel Wire

Baling Galvanized Wire Size:1.8-3.66mm Zine:30g-70g Tensile Strength:880-1600Mpa Packing : Coil,Z2, Pallet , Spider zinc coating Common product quality problems: 1. Improper zinc coating leads to winding cracking, which may be caused by low acid concentration, poor surface treatment of raw...