Valve steel

Cogne Acciai Speciali is a world leader in the production of special heat resistant steels for the manufacture of intake and exhaust valves for all types of internal combustion engines.

GRADES

Cogne Acciai Speciali is involved in other fields of automotive applications.
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THE PRODUCTION PROGRAM

	Hot rolled	Cold drawn	Rough ground	Ground
Dim.	15 40 mm	6 12 mm	16 36 mm	5 16 mm
Tolerance	15 0,25 15-25 0,35 >25 0,4	ISO H11	DIN 1013P	ISO H9
Out of roundness	80% of tolerance range	50% of tolerance range	80% of tolerance range	50% of tolerance range
Straightness	4 for 1 mt	1,5 for 1 mt	1,5 for 1 mt	1 for 1 mt
Roughness	-	-	3 Mn (Ra)	0,8 Mn (Ra)
End cutting	one end sawed, one end cold sheared	one end sawed, one end cold sheared	one end sawed, one end cold sheared	one end sawed, one end cold sheared
Length	4000 to 4200 mm short bars >3000 mm max 10%	4000 to 4200 mm short bars >3000 mm max 10%	4000 to 4200 mm short bars >3000 mm max 10%	4000 to 4200 mm short bars >3000 mm max 10%

If your demands differ from the above, please contact us.

PACKAGING
Bundles

2000 Kg.

BUNDLING
4 straps with 2 handles to lift the bundle.

RUST PROTECTION
Residual oil form grinding operation (for ground only).

IDENTIFICATION
2 labels for each bundles reporting grade - heat n° - lot n° - diameter - weight.

OPTIONAL
Protection in wooden cases.

COLOR
According to customer specifications.