Black Phosphate Coated Pasaip Annealed Cold Heading Quality Screw Wire Rod Scm435 Class 12.9 Steel Wire

Black Phosphate Coated Pasaip Annealed Cold Heading Quality Screw Wire Rod Scm435 Class 12.9 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...