Coated electrodes for manual welding

AMA 1312J

  • ~ E 310–15 (mod.) AWS/ASME SFA – 5.4:
  • 1.4842 Comparable No.of material :
  • E 25 20 B 20+ DIN 8556:
  • E 25 20 B 42 prEN 1600 :
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Application/properties:

Electrode for welding of heat resistance chromium and chromium-nickel steels or cast steels. Fully austenitic metal, non-scaling up to +1200°C. Weld metal is not resistance to sulphurous combustion gases.

Weld metal analysis in % (typical values):

CMnSiCrNi
0.1030.52520

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+
60040035100
Welding Parameters
Diameter (mm)Length (mm)Amperage (A)
2.525065 – 80
3.2530090 – 120
4.0350115 – 150
5.0350160 – 210

Materials:

DIN EN standard1.4745 G-X40CrSi 23; 1.4823 G–X40CrNiSi 27 4; 1.4832 G–X25CrNiSi 20 14; 1.4833 X7CrNi 23 14; 1.4841 X15CrNiSi 25 20; 1.4845 X12CrNi 25 21; 1.4828 X15CrNiSi 20 12; 1.4840 G-X15CrNi 25 20; 1.4846 G-X40CrNi 25 21; 1.4826 G-X40CrNiSi 22 9; 1.4713 X10CrAl7; 1.4724 X10CrAl 13; 1.4742 X10CrAl 18; 1.4762 X10CrAl 25; 1.4710 G-X30CrSi 6; 1.4740 G-X40CrSi 17.
Other StandardAISI 305, 310, 314; ASTM A297 HF; A297 HJ

Rebaking:

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

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