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FORMULINOX
Process Base metal type duplex
SAW GMAW
SMAW GTAW
Base metal UR 35N

Pulsed GMAW FCAW Filler metal: type 309L

Chemical compositions
Base C S P Si Mn Ni Cr Mo Cu Sn Al Cr eq. Ni eq.
metal 0.02 0.001 0.02 0.4 1.3 4.0 23.0 0.2 0.2 0.005
V Ti Co Nb B As W H2 N2 O2 Fe
24.1 7.8
0.06 0.005 0.05 0.006 0.12 70.61
Pure weld C S P Si Mn Ni Cr Mo Cu Sn Al Cr eq. Ni eq.
metal 0.017 0.0110 0.017 0.550 0.77 11.80 23.40 0.04 0.055 0.005
V Ti Co Nb B As W H2 N2 O2 Fe
24.6 14.5
0.055 0.009 0.090 63.19

Conditions de soudage
Dilution d 30 % Comments :
Plate thickness (5 mm minimum) t 9 mm
0.8
Heat input H.I kJ/mm
Process efficiency h 0.88
Preheating or interpass temperature q0 20 °C
Cooling rate at 700°C 61 °C/s

Etat thermique
Heat treatment temperature of the plate 1000 °C 0
Post weld heat treatment temperature 1070 °C
Page 2
1 - Chemical composition
C S P Si Mn Ni Cr Mo Cu Sn Al Cr eq. Ni eq.
Weld metal 0.018 0.0080 0.018 0.505 0.93 9.46 23.28 0.08 0.099 0.000 0.005
 V Ti Co Nb B As W H2 N2 O2 Fe
24.4 12.5
0.057 0.008 0.015 0.002 0.0000 0.0000 0.000 0.0000 0.099 0.0000 65.41
Nitrogen solubility 0.30 %
2 - Microstructure
ESPY ferrite 17 % Nieq 0 ferrite %
ESPY diagram
ESPY ferrite 14 FN Comments :
28
Primary solidification type delta
Risk of hot cracking low 24
Risk of hydrogen embrittlement no
Creq-1,5Nieq=0,75 g 20%
20
As welded
Base metal ferrite
Weld metal maxi. Ferrite
62
29
%
%
16 d 60%

Secondary austenite 23 % 12
Maximum ferrite in HAZ 81 % 100%
8
Solution annealed
Weld metal ferrite % 18 after H.T 1070°C 0
4
Base metal ferrite % 69 after H.T 1070°C
0
3 - Mechanical properties Creq
0 4 8 12 16 20 24 28 32 36 40
Maximum hardness in HAZ 244 Hv Base metal Pure weld metal Weld metal
Maximum hardness in weld metal 293 Hv
Hardness in weld metal (average) 261 Hv 4 - Pitting corrosion resistance
Weld metal U.T.S. (+20°C) 803 Mpa PREN (base metal) 26
Ductile fracture at -50°C in weld metal (as welded) yes PREN (weld metal) 25
Ductile fracture at -50°C in weld metal (sol. annealed) yes Plate CPT 19 °C
Page 1 Weld metal CPT (as welded) 13 °C
Allongement A5d 39 %
Striction Z 41 %
Epaisseur du pliage e 10 mm
Rayon de pliage R 20 mm

Rayon critique Rc 6.5 mm

Allongement mesuré sur pliage 48 %

Rayon de pliage calculé Rcal 8.1 mm

Ferrite maxi recherchée en ZAT - 70 %

Energie de soudage maxi 1.25 kJ/mm

Page 2 Page 1
 f(x)
1.00E+00
1.00E+00
1.00E+00
1.00E+00
1.00E+00
1.00E+00
1.00E+00
1.00E+00
1.00E+00
1.00E+00
1.00E+00
9.85E-01
9.68E-01
9.50E-01
9.32E-01
9.13E-01
8.93E-01
8.74E-01
8.53E-01
8.32E-01
8.10E-01
7.87E-01
7.64E-01
7.40E-01 1.25
7.15E-01 1.3
6.89E-01
6.62E-01
6.35E-01
6.06E-01
5.76E-01
5.45E-01
5.13E-01
4.80E-01
4.45E-01
4.09E-01
3.92E-01
3.81E-01
3.72E-01
3.62E-01
3.53E-01
3.45E-01
3.37E-01
3.29E-01
3.22E-01
3.15E-01
3.08E-01
3.02E-01
2.96E-01
2.90E-01
2.84E-01
2.79E-01
2.73E-01