1. Material
50 CrVA
2. Wire diameter
0.2mm-30.0mm
3. Surface Treatment
Zinc plated,nickel plated,become black,powder coating(red,black ),cataphoresis,anti-rust oil,spray paint
4. Certification
ISO9001 Certificate, RoHS
5. Applications
Extensively used for industrial machinery(such as diesel engine ),automobile manufacturing ,electric tools,stationery ,sports alliance ,model spring and so on
6. Packing
Inner plastic bags and outer cartons or as per customers' requirements
7. Production equipment
Computerized Coiling Machine Quenching and annealing Machine Automatic grounding Machine Short peening Machine
8.Test spring equipment
Torsion-testing machine , digital extension&compress machine, sclerometer for spring ,tensile strength test