Oil tempered SiCrV-alloyed high tensile valve spring wire

OTEVA® 75 SC is a Super Clean steel, especially intended for the manufacture of clutch/ transmission springs with extremely high fatigue properties and good relaxation properties at moderately increased working temperatures.

Manufactured as standard in shaved condition in sizes from Ø 1.60 mm to 10.0 mm, or in egg or elliptical shape corresponding to round cross section 2.50 mm to 6.50 mm. Other wire sizes and shapes on request.

High tensile
High fatigue
High sag resistance

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High fatigue with excellent surface condition

for applications with high cyclic fatigue requirements

Alloyed Steel

Good balance between strength and ductility suitable for various applications


Consistent surface conditions for high performance in forming process

Product information

Technical specification

Mechanical properties

Chemical composition

Surface conditions




Property Value
E modulus of elasticity 206 kN/mm²
G modulus of shear 79.5 kN/mm²

Steel grades and product standards

Nearest equivalent product standards EN 10270-2 ASTM A877 B
Nearest equivalent steel grades EN VDSiCrV