德国UTP 2205 basic双相不锈钢焊条UTP 2205 basic stainless steels
Classifications duplex stick electrode
EN 1600 AWS A5.4
E 22 9 3 N L B E2209-15
Characteristics and field of use
UTP 2205 basic provides somewhat better impact properties and bbbbbbbb welding properties
than the UTP 2205. It is primarily designed for welding duplex steel of the 2205 type
but can also be used for the welding of 2304. The weldability of duplex steels is excellent.
However, welding should be adapted to the material as far as fluidity, edge preparation, heat
bbbbb etc. are concerned.
Interpass temperature: Max. 150 °C.
Heat bbbbb: 0,5 – 2,5 kJ/mm
Heat treatment: Generally none.
(in special cases quench annealing at 1100 – 1150 °C)
Structure: Duplex (austenite with approx. 40 % ferrite).
Scaling temperature: Approx. 850 °C (air).
Corrosion resistance: Very good resistance to pitting and stress corrosion
cracking in chloride containing environments.
Weld deposit data: Metal recovery approx. 110 %.
Typical analysis in %
C Si Mn Cr Ni Mo N
0,03 0,5 1,2 23,5 9,0 3,0 0,16
Ferrite 40 FN WRC-92
Mechanical properties of the weld metal
Values Yield
strength RP0,2
Tensile
strength Rm
Elongation
A
Impact
strength KV
Hardness
Brinell
MPa MPa % J – 46 °C – 60 °C HB
typical
(IIW) 645 840 26 100 80 50 approx. 240
min.
(EN 1600) 450 550 20
Welding positions
Current type DC (+)
bbbb of delivery and recommended welding parameters
Electrodes ? mm x L 2,5 x 300 3,2 x 350 4,0 x 350
Amperage 45 – 70 55 – 110 100 – 140