Page 164 - Technical Guidbook - Zika industrial Welding Supplies

Z- 2430 HARD FACING HARD FACING Z-2440
Cutting Tools & High Speed For Sever Abrasion With
Steels Moderate Impact

Description: Description:
Electrode for fabrication or reclamation of high speed tools. Excellent weldability in Basic coated electrode for hardfacing for severe abrasion with moderate impact .
all positions except vertical down. For surfacing of parts subjected to metal-to-metal Service temperature 450°C max.
wear without severe thermal shocks. 190% recovery.
Service temperature max. 60°C.
Uses: Uses:
• Cold shear blades. • Cement presses.
• Wire guides. • Brick pressure.
• Machine tools. • Refractory press screws.
• High speed steel cutting tools. • Conveyor screws.
• Knives. • Mixer blades.
• Punches and dies. • Palm nut.
• Press screws
Technique and Recommendations:
It is recommended to heat the part before welding to 150°C and to let it cool slowly
after welding. Welding position:
Peen the weld deposit while hot to release stress.
For buffer layer use Z2900.
Welding position: ASME: 1G 2F
ISO 6947 PA PB

Mechanical Properties:
ASME: 1G 2F 2G
ISO 6947 PA PB PC Hardness: 64HRc as welded
Mechanical Properties: Re-drying
hardness: 60-65 HRc as welded 1h/300ºC
Re-drying
2h/300ºC

Current Diameter Types of Current Diameter Types of
)Amps( in mm Current and Polarity )Amps( in mm Current and Polarity
80-100 3/32 2.5 80-110 1/8 3.25 AC
110-130 1/8 3.25 DC )+( 110-130 5/32 4.0 DC )+(
130-150 5/32 4.0 150-170 3/16 5.0 70V min O.C.V
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