DIN EN 4263-2014 航空航天系列.FE-PA4901 (X12CrNiCoMoW21-20)耐高温合金.锻造的.锻坯.a或D 200 mm - 690 MPa R m 960 MPa.德文和英文版本EN 4263-2013
Aerospace series - Heat resisting alloy FE-PA4901 (X12CrNiCoMoW21-20) - As forged - Forging stock - a or D <= 200 mm - 690 MPa <= R m <= 960 MPa; German and English version EN 4263:2013