Alloy steel heat treated 25CD4 or equivalent.SURFACE TREATMENT:
Cadmium in accordance with EN2133 Class B + dry film lubricant in accordance with EN2491.CLASSIFICATION:
900 MPa (at room temperature) / 235 °C.THREAD:
TOLERANCES OF FORM AND POSITION:
- PROFILE: ISO M in accordance with NFL 05220.
- TOLERANCES: in accordance with NFL 05224.
In accordance with ISO 8788.MARKING:
-SD in accordance with NFL 22036 on the area indicated on the drawing.QUALIFICATION AND ACCEPTANCE CONDITIONS:
Contact Alcoa for the diameter/type in manufacturing.