Weltrode WC 7700 AC-DC
Sizes :
2.5 x 300 mm
3.15 x 350 mm
4 x 350 mm
Availability : In Stock
Superior High Hardness Electrode For Welding All Tool Steels.
- The Deposition Of WC 7700 Shows Extremely High Abrasion Resistance With High Hardness.
- Excellent Operational Characterstic With No Blow Holes.
- Smooth And Spatter Free Operation.
- Unique Chemistry Of Weltrode WC 7700 Provides It With High Toghness.
- Has Excellent Crack And Impact Resistance.
- The Unique Moisture Proof Low Hydrogen Coating Assures High Shelf Life.
- Used Specially On Tools And Dies Of The 5% Chromium Type And The High Carbon High Chromium Types.
- Typical Application Include Extrusion Dies, Blanking Dies, Coining Dies, Forming Dies, Cutting Dies, Shears And Other Cutting Edges.
- An Exceptionally Good Electrode For Welding On D2 Air Hardening Steel.
Hardness
As Welded RC45-48
As Work Hardened RC54-56
- Clean Weld Area. It Is Not Required To Preheat But If Base Metal Is Highly Carbonized It Should Be Preheated To Appox 200 Deg C.
- Build Part To Desired Shape By Using As Many Passes As Necessary.
- Heat To Bright Red Colour. Peen To Relive Stresses And Remove Slag Between Passes.
- Use DC Reverse Polarity.