Home All Products Welding Supplies Welding Electrodes (MMA) For Common Low-alloy Steels SELECTARC B74 - Low-hydrogen basic-coated electrode for fine-grain steels with increased yield strength
SELECTARC B74 - Low-hydrogen basic-coated electrode for fine-grain steels with increased yield strength

SELECTARC B74 - Low-hydrogen basic-coated electrode for fine-grain steels with increased yield strength

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ID: 903
Product Code: SELECTARC B74
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Description

SELECTARC B74 - Low-hydrogen basic-coated electrode for fine-grain steels with increased yield strength

CLASSIFICATION

AWS A5.5: E8018-GISO 2560-A: E 50 2 Mo B 4 2 H5

CHARACTERISTICS AND APPLICATIONS

Low-hydrogen basic-coated electrode with increased yield strength, designed for welding fine-grain steels at temperatures between –40 °C and +500 °C.
Suitable for thermally treated low-alloyed steels containing C–Mn–Mo.
Provides smooth fusion, easy slag removal, and a clean, regular weld appearance.

WELD METAL CHEMICAL COMPOSITION (%)

C: 0.06  Mn: 1.4  Si: 0.4  Mo: 0.5  Ni: 0.2  S: <0.02  P: <0.02

MECHANICAL PROPERTIES

Rₘ (MPa): 650  Rₑ (MPa): 570  A₅ (%): 25  KV (J): +20 °C → 160 ; –20 °C → 70

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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