Material
SAE1060, SAE1065, SAE1070, 45#,60#, 65#, 65Mn, 70#, 72A, 72B, 80#, 82B
*Surface
Smooth, phosphated and lead patent heat treatment
*Quality inspection of each coil
Tensile Strength, Tolerance, Surface smooth, Torsion,Bending,Winding, Ellipse , etc.
*Certificate
ISO9001,ISO14001,SGS,NANTONG FAMOUS BRAND, EXCELLENT-QUALITY METALLURGICAL PRODUCTS.