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Classification:
AWS A5.4
E309L-15
EN ISO 3581-A E 23 12 L B 42
Description:
Basic coated electrode type 309L for dissimiliar joint welding, buffer layers and surfacing applications.
Coating type:
Basic
Welding positions:
Welding current:
DC+
Redrying temperature:
350 °C, 2h
Chemical composition, wt.%
Mechanical properties
Typical
Yield strength, Rp0.2%: 470 MPa
Tensile Strength, Rm: 580 MPa
Elongation, A5 35%
Impact energy, CV:
-50 °C
•
60 J
Ferrite content:
FN 10 (WRC 92)
Corrosion resistance
As Cromarod B309L is usually used for buffer
layers and dissimilar joints,
corrosion resistance is of less importance. Two
layers on mild steel is
about equivalent to 304L type material
Scaling temperature:
Approx. 1000 °C in air.
Approvals:
CE
Product data
2,5 300 74662500
50-80 23 0,67 83 0,80
3,2 350 74663200
80-120 24 0,67 41 1,15
4,0 350 74664000
100-160 25 0,67 27 1,85
4,0 450 74664045
100-150 25 0,67 21 1,85