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EN 1.4521 / AISI 444

Euronorm
1.4521
Norm.
X2CrMoTi18-2
AISI/ASTM/UNS
444
Chemical Composition
Grade C Si Mn P S Cr Ni Mo Tio Cu Other
ACX 555 <=0.025 <=1.00 <=1.00 <=0.040 <=0.015 17.50-19.50 - 1.80-2.50 => 0.12 - Nb=0.25-0.50
ACX570 <=0.025 <=1.00 <=1.00 <=0.040 <=0.015 17.50-19.50 - 2.00-2.50 <= 0.010 Nb=[0.26+7(C+N)] a 0.80 N <=0.030
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