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Material Data Sheet

material no.: 1.4547
UNS no.: S31254
designation: Alloy 254SMO

CHEMICAL REQUIREMENTS IN (%)

ASTM A479 VdTÜV Werkstoffblatt 473 DIN EN 10088-3
C, max. 0,020 0,020 0,020
Mn, max. 1,00 1,00 1,00
P, max. 0,030 0,030 0,030
S, max. 0,010 0,010 0,010
Si, max. 0,80 0,70 0,70
Cr 19,5 - 20,5 19,50 - 20,50 19,5 - 20,5
Ni 17,5 - 18,5 17,50 - 18,50 17,5 - 18,5
N 0,18 - 0,25 0,18 - 0,25 0,18 - 0,25
Mo 6,0 - 6,5 6,00 - 7,00 6,0 - 7,0
Cu 0,50 - 1,00 0,50 - 1,00 0,50 - 1,00

MECHANICAL PROPERTIES

solution annealed bar semi-finished / bar

D≤ 160mm |
160mm < D ≤ 250mm
Rm (MPa) ≥ 655 650 - 800 650 - 850
Rp 0,2 (MPa) ≥ 305 ≥ 300 ≥ 300
Rp 1,0 (MPa) ≥ 340 ≥ 340
A (%) ≥ 35 l ≥ 35 ≥ 35 | q ≥ 30
Z (%) ≥ 50
Av (J) l ≥ 100* | q ≥ 60*
* optional

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