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Standard [CURRENT]
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This standard specifies the requirements relating to heat resisting alloy FE-PA4901 (X12CrNiCoMoW21-20), as forged, forging stock, a or D ≤ 200 mm, 690 MPa ≤ Rm ≤ 960 MPa for aerospace applications. This includes, amongst others, the chemical composition and mechanical properties. This standard has been prepared in accordance with EN 4500-3. The committee responsible for this standard is Working Committee NA 131-01-04 AA "Nickelbasislegierungen" ("Nickel based alloy") at DIN.