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Material Data Sheet

material no.: 1.3964
UNS no.: -
designation: -

CHEMICAL REQUIREMENTS IN (%)

SEW 390
C ≤ 0,030
Si ≤ 1,0
Mn 4,0 - 6,0
P ≤ 0,025
S ≤ 0,010
N 0,20 - 0,35
Cr 20,0 - 21,5
Mo 3,0 - 3,5
Ni 15,0 - 17,0
Nb ≤ 0,25
V

AVERAGE LINEAR COEFFICIENT OF THERMAL EXPANSION

solution annealed bar / forging

D ≤ 300 mm
Rm (N/mm2) 700 - 950
Rp 0,2 (N/mm2) ≥ 365
A (%) l ≥ 35, q/t ≥ 30
Av (J)* l ≥ 85, q/t ≥ 55
*optional

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