SF-65A small

SF-65A

Flux cored wire for welding high tensile steels.

AWS A5.29 E91T1-K2M-H4
AWS A5.36 E91T1 M21A4 K2 H4
EN ISO 18276-A: T 55 4 ZMn1.5Ni P M21 2 H5
EN ISO 9606-1: FM2

General description:

SF-65A is a seamless rutile all position flux-cored wire developed for welding high tensile steel such as s550 and similar high tensile strength steel. The wire is to be used with a M21 Argon/CO2 mixed shielding gas, which ensuring a user friendly and stable arc with minimum spatter and good transition to the parent material. Due to its seamless characteristic, the wire has an extremely low content of hydrogen (typical <3ml/100g weld metal), something which ensures low risk of cold cracks.
The wire is copper coated and has a clean surface with exact diameter and perfect roundness ensures a stable and even wire feeding as well as easy handling and storage procedures. The stick out should be between 15-20mm depending upon welding parameters. Volts should be app’x 10% of the Amperage, this is about 1-3 volts lower than a conventional folded flux cored wire.

Chemical composition of all-weld-metal:

CSiMnPSCuNiCrMoV
0,02-0,090,30-0,701,00-1,50Max. 0,030Max. 0,030Max. 0,401,00-2,00Max. 0,15Max. 0,35Max. 0,05

Mechanical properties of all-weld-metal:

YieldTensileElongationCharpy
≥550 Mpa640 - 840 Mpa≥18 %≥47V(J)/-40°C

Diffusible hydrogen content (ml/100g):

≤5 ml/100g (2,8 ml/100g typical).

Packaging information:

1,2mm x 12,5kg spool D300
1,2mm x 5,0kg spool D200

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Approvals:

CE, DNV-GL, PRS

Reference/date:

SF-65A, English, 06.07.2023.