Hard Drawn Spring

Material Type: Hard Drawn Material Group: Carbon Steel Wire

Hard Drawn Springs Description:

Cold drawn material for average stress applications. Lower cost general purpose steel, not suited for long life, precision loads or deflections. Readily plated.

Available Hard Drawn Springs Material Forms Wire: Yes    Strip: No    Sheet/Plate: No

Engineering Data

E Mpa	207,000	Min Size (in)	0.005
E psi	30,000,000	Max Size (in)	0.625
G Mpa	79,300	Min Size (mm)	0.130
G psi	11,500,000	Max Size (in)	16.000
Density g/cm3	7.860	Surface Min	c
Density lb/in3	0.284	Max Temp °C	150
Conductivity	7	Max Temp °F	250

All materials specifications are provided for general reference purposes only.

Hard Drawn Springs Application:

• Hard Drawn Coil Springs
• Hard Drawn Extension Springs
• Hard Drawn Compression Springs
• Hard Drawn Torsion Springs
• Hard Drawn Wireforms

Hard Drawn Springs Notes:

E Mpa	Young's Modulus	These factors can vary with cold work, heat treating and operational stress.
E psi
G Mpa	Modulus of Rigidity
G psi
Conductivity	% IACS
Surface Min	Typical Surface Quality	a	Maximum defect depth: 0 to 0.5% of d or t
		b	Maximum defect depth: 1.0% of d or t
		c	Defect depth:less that 3.5% of d or t
Min Size	Sizes commonly available for wire or strip	Special sizes may be available at additional cost.
Max Size
Max Temp	Maximum service temperature	May vary due to operating stress