1265 – Smooth Overlay RC 66 to 68

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INTERNATIONAL CLASSIFICATIONS

DIN 8555: E10-UM-65-G

FEATURES & APPLICATIONS

For conveyor screws, mixer blades, pump and crusher parts operation in sand, clay, cement, and coal.

  • For abrasion resistance and moderate impact resistance.
  • Basic coated SMAW electrode for hardsurfacing.
  • Good for severe abrasion and moderate impact resistance.
  • Suitable up to 500° C.
  • 120% Recovery.
All Weld Metal Analysis (Typical Weight %)
CMnSiCrMoFe
4.30.40.710.21.9Bal.
Typical Mechanical Properties

Undiluted Weld Metal                   Maximum Value Up to:

Structure                                        Martensitic cast iron

Hardness                                        1 layer 59 HRc

2 layers 61 HRc

3 layers 65 HRc

4 layers 67 HRc

Wear Coefficient                             2% (SiO2 as abrasive)

Machinability                                 Grinding only

Welding Current & Instructions

Recommended Current: DC Straight (-), AC

Diameter (mm)1/8 (3.25)5/32 (4.0)3/16 (5.0)
Minimum Amperage85115150
Maximum Amperage120150190

Welding Techniques: Select the minimum required amperage and utilize a medium arc gap. For smooth flat welds use a 3 x weave. There is minimal slag which can be overwelded without prior removal. Only 2 passes are required for developement of the full benefits of this alloy. Cross crack stress relieving is normal.

Welding Positions: Flat, Horizontal, Half up

Deposition Rates:

Diameter (mm)Length (mm)Electrodes per lb (kg) of WeldmetalArc Time of Deposition min/lb (kg)
1/8 (3.25)14″ (350)19 oz (43g)41 (90)
5/32 (4.0)14″ (350)12 oz (27g)27 (60)
3/16 (5.0)14″ (350)8 oz (18g)19 (42)
Approximate Electrode Packaging & Dimensions
Diameter (mm)1/8 (3.25)5/32 (4.0)3/16 (5.0)
Length (mm)14″ (350)14″ (350)14″ (350)
Electrodes / lb12109
Electrodes / kg262220