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Description
BÖHLER CN 23/12 PW-FD is a rutile flux cored welding wire with fast freezing slag providing excellent
positional welding characteristics and fast travel speeds. It is easy to use and operates with a powerful
penetrating spray arc transfer, minimum spatter formation and self releasing slag.
This flux cored welding wire offers many economical and quality advantages over solid wire pulse arc
welding. High deposition rates and productivity gains are easily achievable. Additional cost effective benefits
are offered through use of less expensive shielding gases, good wetting characteristics (less grinding),
little temper discoloration & bead oxidation, easy operation and safe penetration (reduces the risk of weld
defects and associated repair work costs), and smooth and clean weld finish (less post weld work).
Due to its characteristics mainly for positional welding and service temperatures between -60 °C to
+300 °C. For downhand & horizontal welding positions (1G,1F, 2F) our flux cored wire BÖHLER CN 23/12-FD
should be preferred.
Approvals and Certificates
TÜV-D (09115.), DB (43.014.22), ABS (E309 LT 1-1(4)), LR (DXV u. O, CMn/SS),
GL (4332S{C1, M21}), CWB (E309LT0-1(4)), SEPROZ, DNV, RINA, ÖBB, CE
Same Alloy/Similar Alloy Filler Metals
SMAW electrode: FOX CN 23/12-A Metal cored wire: CN 23/12-MC
FOX CN 23/12 Mo-A GMAW flux cored wire: CN 23/12-FD
GTAW rod: CN 23/12-IG CN 23/12 Mo-FD
GMAW solid wire: CN 23/12-IG CN 23/12 Mo PW-FD
SAW combination: CN 23/12-UP/BB 202
Base Materials
dissimilar joint welds: of and between high-strength, mild steels and low-alloyed QT-steels, stainless,
ferritic Cr- and austenitic Cr-Ni- steels, manganese steels
surfacing: for the first layer of corrosion resistant weld surfacing on ferritic-perlitic steels in boiler and
pressure vessel parts up to fine-grained steel S500N, as well as of high temperature steels like
22NiMoCr4-7 acc. SEW-Werkstoffblatt 365, 366, 20MnMoNi5-5 and G18NiMoCr3-7
Operating Data
re-drying if necessary: ø mm amps A voltage V
possible, 150 °C / 24 h 1.2 100 - 220 20 - 31
shielding gases: Argon + 15 - 25 % CO2 1.6 175 - 260 21 - 29
100 % CO2
Welding with standard GMAW-facilities possible, slightly trailing torch position (angel appr. 80 °), slight
weaving is recommended for all welding positions; when using 100 % CO2 as shielding gas it is necessary to
increase the voltage by 2 V. The gas flow should be 15-18 l/min. Preheat and interpass temperatures as
required by the base metal.
Mechanical Properties of All-weld Metal
(*) u
Yield strength Re N/mm2 (MPa): 400 (≥ 350)
Tensile strength Rm N/mm2 (MPa): 540 (≥ 520)
Elongation A (L0 = 5d0) %: 35 (≥ 330)
Impact work ISO-V KV J + 20 °C: 65 (≥ 347)
- 60 °C: 50 (≥ 332)
(*) u untreated, as-welded – shielding gas Ar + 18 % CO2
Typical Composition of All-weld Metal
C Si Mn Cr Ni
Wt-% 0.03 0.7 1.4 23.0 12.5
EN ISO 17633-A:2006: T 23 12 L P M 1
T 23 12 L P C 1
EN ISO 17633-B:2006: TS309L-FB1
AWS A5.22-95: E309LT1-4
E309LT1-1
BÖHLER
CN 23/12 PW-FD
GMAW flux cored wire, high-alloyed,
special applications
Dissimilar Joints and Special Applications – GMAW Flux-cored Wires
www.boehler-welding.com