Coated electrodes for manual welding

AMA 1433NA

  • E 12018 M–H4 AWS/ASME SFA-5.5:
  • E Y 6955 Mn2Ni1CrMo B H5 DIN 8529 :
  • E 69 5 Mn2NiCrMo B 4 2 H5 EN 499 :
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Application/properties:

Electrode for producing crack-free and tough welded joints. Weld metal is extremely metallurgical purity having very low hydrogen content. Welds are of X-ray quality.

Weld metal analysis in % (typical values):

CMnSiNiCrMoPS
0.0631.50.352.30.450.47<0.02<0.02

Mechanical Properties of all-weld metal:

(single values are typical values)

Tensile Strength
( N/mm )
Yield Strength
( N/mm )
Elongation
A4 (%)
Impact energy (J)
ISO - V
51°C-
8777702250
Welding Parameters
Diameter (mm)Length (mm)Amperage (A)
2.535065 – 92
3.2545090 – 135
4.0450140 – 185
5.0450180 – 240
6.0450210– 320

Materials:

DIN Standard28NiCrMo5 5; 24CrMoV5 5; 21CrMoV51 1;TStE 620 V, TStE 690 V; EStE 620 V, EStE 690 V
EN StandardS620 QL – S690 QL; S620 QL1, S690 QL1

Rebaking:

required at 300°C to 350°C for 2 hours

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