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Material Data Sheet

material no.: 1.4410
UNS no.: S32750
designation: Superduplex

CHEMICAL REQUIREMENTS IN (%)

ASTM A479 DIN EN 10088-3
C, max. 0,030 0,030
Mn, max. 1,20 2,00
P, max. 0,035 0,035
S, max. 0,020 0,015
Si, max. 0,80 1,00
Ni 6,0 - 8,0 6,0 - 8,0
Cr 24,0 - 26,0 24,0 - 26,0
Mo 3,0 - 5,0 3,0 - 4,5
N 0,24 - 0,32 0,24 - 0,35
Cu, max. 0,5

MECHANICAL PROPERTIES

solution annealed bar / forging

≤ 2 in.


> 2 in.
bar

D ≤ 160 mm
Rm (MPa) ≥ 800 ≥ 760 730 - 930
Rp 0,2 (MPa) ≥ 550 ≥ 515 ≥ 530
A (%) ≥ 15 ≥ 15 l ≥ 25
Av (J) l ≥ 100 (optional)
hardness (HB) ≤ 310 ≤ 310 ≤ 290 (only for information)
The material complies with the requirements of MDS D57 Norsok for bars up to Ø 200mm

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