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Material Data Sheet

material no.: 2.4856
UNS no.: N06625
designation: Alloy 625

CHEMICAL REQUIREMENTS IN (%)

ASTM B446/564 VdTÜV Werkstoffblatt 499 DIN 17744
Ni, min. 58,0 Bal. 58,0
Fe, max. 5,0 5,0 5,0
Mn, max. 0,50 0,50 0,50
C, max. 0,10 0,030 0,10
Si, max. 0,50 0,40 0,50
S, max. 0,015 0,010 0,015
Cr 20,0 - 23,0 21,0 - 23,0 20,0 - 23,0
Al, max. 0,40 0,40 0,40
Ti, max. 0,40 0,40 0,40
Nb + Ta 3,15 - 4,15 3,2 - 3,8 3,15 - 4,15
Mo 8,0 - 10,0 8,0 - 10,0 8,0 - 10,0
P, max. 0,015 0,010 0,020
Co, max. 1,0 1,00
Cu, max. 0,50

MECHANICAL PROPERTIES

annealed bar | forging


ASTM B446 | ASTM B564
D ≤ 102 mm
forging

D ≤ 160 mm
bar

D ≤ 100 mm
DIN 17752
Rm (MPa) ≥ 827 760 - 1000 ≥ 830
Rp 0,2 (MPa) ≥ 414 ≥ 380 ≥ 415
Rp 1,0 (MPa) ≥ 445
A (%) ≥ 30 ≥ 35 ≥ 30
Av (J) ≥ 100
hardness
(HBW 2,5/62,5)
max. 240

annealed bar | forging

102 ≤ D ≤ 254 mm
forging

D > 160 mm
bar

100 < D ≤ 250 mm
DIN 17752
Rm (MPa) ≥ 758 730 - 920 ≥ 760
Rp 0,2 (MPa) ≥ 345 ≥ 330 ≥ 345
Rp 1,0 (MPa) ≥ 375
A (%) ≥ 25 ≥ 35 ≥ 30
Av (j) ≥ 44
hardness
(HBW 2,5/62,5)
max. 240

solution annealed bar

ASTM B446
bar

D ≤ 250 mm
DIN 17752
Rm (MPa) ≥ 689 ≥ 690
Rp 0,2 (MPa) ≥ 276 ≥ 275
Rp 1,0 (MPa) ≥ 305
A (%) ≥ 30 ≥ 30

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