Is the wire material 304 stainless steel?

Material characteristics
304 stainless steel belongs to austenitic stainless steel, corresponding to the Chinese grade 0Cr18Ni9 (18/8 structure), and follows the American ASTM standard. It contains 18% chromium and 8% -10% nickel, and has corrosion resistance, oxidation resistance, and toughness. It is widely used in fields such as building decoration, machinery manufacturing, and household appliances.  ‌

Application scenarios
Screw wire: used for manufacturing fasteners such as screws, commonly found in the automotive, machinery, home appliances, and petrochemical industries.  ‌
Spring wire: Suitable for precision springs and other components that require high elasticity.  ‌
Bright wire: After surface treatment, it can be used for decoration or special purpose wire.  ‌
Different manufacturers will adjust their processing techniques (such as cold heading, wire drawing, electrolysis, etc.) according to their needs, with a diameter range of up to 0.08mm to 32mm