Home All Products Welding Supplies Welding Electrodes (MMA) For Common Low-alloy Steels SELECTARC B68 - Low-hydrogen basic electrode for high-strength steels
SELECTARC B68 - Low-hydrogen basic electrode for high-strength steels

SELECTARC B68 - Low-hydrogen basic electrode for high-strength steels

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Product Code: SELECTARC B68
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Description

SELECTARC B68 - Low-hydrogen basic electrode for high-strength steels

CLASSIFICATION

AWS A5.5: E9018-B3ISO 3580-A: E CrMo2 B 4 2 H5

CHARACTERISTICS AND APPLICATIONS

Low-hydrogen basic coated electrode alloyed with Cr and Mo, designed for welding steels used in service up to 600 °C (2 % Cr – 1 % Mo).
Provides high resistance to H₂S.

Suitable for:

  • Superheaters
  • Valve bodies
  • Pipes and boilers
  • Hydrocrackers

WELD METAL CHEMICAL COMPOSITION (%)

C: 0.07  Mn: 0.8  Si: 0.4  Cr: 2.25  Mo: 1.0  S: <0.025  P: <0.025

MECHANICAL PROPERTIES

Rₘ (MPa): >620  Rₑ (MPa): >530  A₅ (%): >18  KV (J): +20 °C → >100

After heat treatment: 690 °C / 1 h

DIMENSIONS AND WELDING CURRENT

= +

DIMENSIONSAMPERES
2.5 × 35080 A
3.2 × 350115 A
4.0 × 450150 A
5.0 × 450190 A
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