Flux cored wire for welding carbon steel with impact requirements down to -40°C.
AWS A5.20 E71T-9M-JH4
AWS A5.36 E71T1-M21A4-CS1
EN ISO 17632-A: T 46 4 ZMnNi P M21 1 H5
EN ISO 9606-1: FM1
SF-3A is a seamless, rutile flux cored wire designed for welding of steel with impact requirements down to -40°C such as grade E often used in shipbuilding. The flux cored wire uses a Argon/CO2 mixed shielding gas which gives good weldability and a stable arc, minimum spatter, good visual bead and even transition to parent material. Due to the seamless design the wire has an extremely low hydrogen content, (typical of ≤2.8 ml/100g) which greatly reduces the possibility of cold cracks. SF-3A emits little welding fume and has great weldability in all positions. The wire has a clean copper coated surface which together with exact diameter and roundness, ensures stable and even wire feeding. Wire stick out should be between 15-25mm dependent upon the welding parameters. Voltage should be approx. 10% of the Ampere, which is 1-3 Volts lower than that of which conventional folded flux cored wires require.
Diffusible hydrogen content:
≤5 ml/100g (2,8 ml/100g typical).
1,0mm x 5,0kg spool D200 -ArticleNo.:5110270
1,2mm x 5,0kg spool D200 -ArticleNo.:5112270
1,2mm x 12,5kg spool D300 -ArticleNo.:5112470
1,2mm x 250kg drum Ø51cm -ArticleNo.:511320
1,4mm x 12,5kg spool D300 -ArticleNo.:5114470
DNV-GL, LR, ABS, CWB, DB, BV, PRS, TÜV, CE
SF-3A, English, 06.07.2023.