AWS: SFA
EN ISO CODE:
Electrode for the Surfacing & Build-up of Dies & Tools.
LoTherme-693 is specially designed electrode for the repair & Build-up of all hot & Cold tool steel dies & Tools in light metal casting, Forging & Plastic injection molding industries. Deposited weld possess higher hardness, wear resistance after heat treatment, high temperature fracture toughness, low thermal coefficient & have Excellent machinability. Aged martensitic matrix with uniform distribution of Nao-sized intermetallic phases.
As welded & PWHT | Hardness (HRC) |
---|---|
As Welded | 38-45 |
480°C for 3hrs | 56-61 |
520°C for 3hrs | 57-63 |
560°C for 3hrs | 58-64 |
Redry the electrode at 250°C for 01 hour before use. Wherever possible weld in flat position.