Coated electrodes for manual welding

AMA 1474MO

  • ~ E 309 MoL–17

    AWS/ASME SFA – 5.4:
  • 1.4332

    Comparable No.of material:
  • E 23 12 2L R 23

    DIN 8556:
  • E 23 12 2 L R 12

    prEN 1600:
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Application/properties:

Electrode for joining of dissimilar steels, (austenitic steels to ferritic steels) and for depositing claddings austenitic. Weld metal consists of with approximately 15% delta-ferrite. Claddings on alloyed or low-alloyed steel are already corrosion resistant in the first layer. Highest operating temperature for dissimilar steel joints is +300°C; at higher temperature 1604G electrode shall be used. fine droplet metal transfer, good wash-in of joint sides, finely-rippled bead surface, easily removable slag. Easy arc striking and restriking.

Weld metal analysis in % (typical values):

CMnSiCrNiMo
0.0250.700.924132.6

Mechanical Properties of all-weld metal:

(single values are typical values)

Tensile Strength
( N/mm )
Yield Strength 0.2%
( N/mm )
Elongation
A5 (%)
Impact energy(j)
ISO - V
20°C+
6404203050

OCV>50V

Welding Parameters
Diameter (mm)Length (mm)Amperage (A)
2.525060 – 90
3.25300 - 35090 – 120
4.0350100 – 160
5.0350140 – 210

Materials:

DIN EN standard1.4401 X5CrNiMo 17 12 2; 1.4404 X2CrNiMo 17 13 2; 1.4429 X2CrNiMoN 17 13 3; 1.4406 X2CrNiMoN 17 12 2; 1.4408 G-X6CrNiMo 18 10; 1.4436 X5CrNiMo 17 13 3; 1.4581 G-X5CrNiMoNb 18 10; 1.4435 X2CrNiMo 18 14 3; 1.4436 X5CrNiMo 17 13 3; 1.4571 X6CrNiMoTi 17 12 2; 1.4573 X10CrNiMoTi 18 12; 1.4580 X6CrNiMoNb 17 12 2 G-X10CrNiMoNb 18 10
Other StandardASTM/ACI A240/A312/A351 : (TP)316L; CF-3M; (TP)316L; (TP)316LN; (TP)316; 316Ti; 316Cb

Rebaking:

required at 350°C to 400°C for 2 hours.

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