Initial Tension (N): 5.88
Outer Diameter D2 mm (0.8 in)
Free length: 4.0 inches (102 mm)
Wire diameter: 0.06 in (1.6 mm)
Maximum Load: 40.02 N.
Maximum load (kgf): 4.08
Maximum Defender: 5.3 inches (134.1 mm)
Spring Constant (N/mm): 0.255
Spring Constant (kgf/mm): 0.026
Heat Treatment/Surface Treatment: 392°F - 550°C; Low temperature tempering, black surface treatment
Material: JIS G 3522 SWP-A piano wire
Range of application: This product is a standard type of piano wire for cold forming, and tensile coil springs using a wire diameter of 0.01 - 0.09 inches (0.32 - 2.3 mm).