Canadian
Canadian owned and operated
Welders Helper
cart
Canada’s Premier Online Welding Supply Shop!
Awaiting product image

C2511-12 - Double Bend Spot Welding Tip C2511-12

Packaging: 1 of each
$39.42/ea $32.85/1 of each only $32.85/eaSave 17%

Usually ships within 3-5 business days

SKU: WORC2511-12 Categories: ,

OVERVIEW

Precision Resistance Welding with Double Bend Electrodes

The C2511-12 Double Bend Electrode is a specialized resistance welding component designed to solve complex access problems in industrial spot welding applications. Manufactured to meet rigorous industry standards, this electrode features a distinct double-bend geometry—often referred to as a crank or offset shape—which allows the welding face to reach over flanges, into channels, or around obstructions that would block a standard straight electrode.

Constructed from RWMA Class 2 Copper Alloy (Chromium-Copper), this electrode offers the ideal balance of electrical conductivity and physical hardness. Class 2 material is the industry standard for welding mild steels, coated steels, and low-alloy sheets, providing resistance to deformation under high electrode force while maintaining excellent heat transfer. The electrode is typically produced using a cold-forming process rather than casting or hot forging. Cold forming aligns the grain structure of the copper, resulting in superior mechanical strength and wear resistance at the welding face.

Thermal management is critical in resistance welding. This double bend electrode is designed with an internal water cooling cavity that accommodates a water tube. Proper water flow ensures the tip remains cool during high-duty cycles, preventing mushrooming and sticking. The C2511-12 is engineered for compatibility with standard electrode holders and shanks, utilizing a standard RWMA taper (typically #4 or #5 RW, verify specific fitment) to ensure a leak-proof and conductive seal.

Key Technical Specifications:

  • Material: RWMA Class 2 (CuCr)
  • Geometry: Double Bend (Offset)
  • Fabrication: Cold Formed
  • Application: Spot welding of steel sheet metal in restricted spaces
Additional Information
Packaging Description:1 of each
Product Type:Spot Welding Electrode
Shape:Double Bend
Material:RWMA Class 2 Copper
Process Type:Resistance Welding, Spot Welding
Cooling Method:Water Cooled
----- new values below ----
Process Type:Resistance Welding, Spot Welding
Electrode Geometry:Double Bend, Offset
Cooling Method:Water Cooled
Product Type:Spot Welding Electrode
Shape:Double Bend
Material:RWMA Class 2 Copper

INCLUDED

  • 1 x Double Bend Spot Welding Electrode (C2511-12)

APPLICATIONS

  • Automotive body repair and fabrication
  • HVAC ductwork manufacturing
  • Appliance enclosure assembly
  • Sheet metal fabrication with complex geometries
  • Welding inside channels or over flanges

FAQ

The double bend (or offset) design allows the electrode to reach into tight spaces, over flanges, or around obstacles that a straight electrode cannot access, while still applying direct pressure.

It is typically manufactured from RWMA Class 2 Copper (Chromium-Copper), which provides an excellent combination of hardness and electrical conductivity for welding steels.

Yes, like most resistance welding electrodes, it is designed to be water-cooled. It has an internal cavity to accept a water tube, which is essential for preventing overheating and extending tip life.

Yes, the tip face can be dressed to maintain the proper diameter and face geometry. However, care must be taken not to remove too much material, which could affect the water cooling cavity wall thickness.

While the specific taper depends on the exact variant, C-series electrodes typically utilize standard RWMA tapers (such as #4 RW or #5 RW) to fit common electrode holders.

Class 2 copper is primarily designed for steel and coated steels. For aluminum welding, Class 1 (Zirconium-Copper) electrodes are often preferred to prevent sticking, though Class 2 can be used in some applications.

Ensure the taper is clean and free of grit. Insert the electrode into the holder and tap it firmly into place with a rubber mallet or brass hammer. Ensure the water tube inside the holder extends close to the bottom of the electrode cavity without blocking flow.

Related products