Steels for cold work, used for cold forging, cold extrusion etc. Shock resistant steels. The important property required for any spring is fairly high hardness, and hence high elastic limit. May be machined in soft condition and subsequently hardened with minimum distortion or oxidation. Disadvantage is high cost.
Disadvantage is high cost and specialist products.
The casting can be made in a wider range of shapes and has better creep resistance but the same component made from a wrought product is usually more consistent, and any defects which may result in failure can be better controlled and oriented so that resistance to fatigue is more consistently high. In general the properties of a stainless steel casting resembles those of the corresponding wrought steel. Mechanical properties are also very similar to worked materials. Go back to The Materials Home Page Index .