E 12018–G–H4
1024n ama 1024

Welding electrode for fine-grained structural steels

AMA 1024N

AWS/ASME SFA-5.5 : E 12018–G–H4
DIN 8529 : E–Y–7955 Mn 2 Ni 1 CrMo B H5
EN 499 : E 89 4 Mn 2 Ni 1 Cr Mo B 42 H5
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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):

C Mn Si Cr Ni Mo
0.06 1.60 0.50 0.70 2.40 0.50

Mechanical Properties of all-weld metal:

(single values are typical values)

Tensile Strength
( N/mm 2 ) 		Yield Strength
( N/mm 2 ) 		Elongation
A5 (%) 		Impact energy (J)
ISO - V
20°C       -40°C+
980 - 1080 >890 >14 70          60

Welding Parameters
Diameter (mm) Length (mm) Amperage (A)
2.5 350 65 – 95
3.25 450 90 – 135
4.0 450 140 – 185
5.0 450 180 – 240

Materials:

DIN Standard STE 690; STE 890
EN Standard S690; S890

Rebaking:

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