

Classification:

AWS A5.4

EN ISO 3581-A

E309L-15

E 23 12 L B 42

Description:

Basic coated electrode type 309L for dissimiliar joint welding, buffer layers and surfacing applications.

Coating type:

Basic

Mechanical properties

Welding positions:

Yield strength, Rp0.2%:

Tensile Strength, Rm:

Elongation, A5

Impact energy, CV:

Typical



Welding current:

DC+

Redrying temperature:

350 °C, 2h

Ferrite content:

FN 10 (WRC 92)

Chemical composition, wt.%











 







470 MPa

580 MPa

35%

-50 °C • 60 J

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

69