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STRATA 507U For All Grades of Steel

Super strength ultra low input electrode
Due to exceptional strength and crack resistance, Strata 507U is ideal for repairing tools, dies, spring steel and any dissimilar metal combinations, except for aluminium and copper alloys. It is also recommended for repairing worn parts and as an underlay for hardfacing. It is the ultimate electrode for welding all types of steels, without any damage, cracking or breakage.

Key Features:

  • Special "Ferrite Balanced: Chemistry also serves as a "Stud Pull" electrode
  • An engineered deposit chemistry that has the perfect ratio of metallic to offer crack resistance far superior to any other brand
  • Special flux formulation eliminates slag interference in horizontal fillets
  • Slag is designed to turn to powder making this electrode ideal for "Stud Pull" applications


Tensile Strength as Welded: 128,000 PSI (880 MPa)
Work Hardened: 186,000 PSI (1280 MPa)
Elongation: 32%, 36%, 17 coatings
Reduction of Area: 25%
Impact Energy: 50J: 20°C
Hardness: Brinell 225

Click Here to Download a pdf Product Specification Sheet

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0800 478 728
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STRATA International has been supplying welding electrodes to engineers throughout New Zealand for over 25 years and is pleased to support Proline Welding Supplies as the distributor for the South Pacific Region.
Trusted by many to weld in the most challenging applications, STRATA has proved itself to be 'better then the rest' when it comes to specialised welding products, a reputation not easily obtained, but strongly upheld.  Click here to read more.