A75

For the manufacture of parts of watch movements

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Tool steel	Carbon Tool Steel

Standard	Fe, %	Si, %	Mn, %	Co, %	Ni, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Co, %	Ni, %	P, %	C, %	S, %
TU 14-1-2607-78	97.8–98.3	< 0.3	0.4–0.7	< 0.25	< 0.25	0.04–0.08	0.7–0.8	0.18–0.24

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Rod	TU 14-1-2607-78				780–880

Standard	Description
Standard	Description
TU 14-1-2607-78	TU

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength