E 9018 M-H4
1428nc ama 1428nc

Welding electrode for fine-grained structural steels

AMA 1428NC

AWS/ASME SFA-5.5: E 9018 M-H4

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 Ni Cr Mo P S
0.05 1.1 0.4 1.6 0.1 0.3 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-
650 550 29 84

Welding Parameters
Diameter (mm) Length (mm) Amperage (A)
2.5 350 65 – 92
3.25 450 90 – 135
4.0 450 140 – 185
5.0 450 180 – 240

Materials:

DIN Standard STE 420 to STE 500; WSTE 355 to WSTE 500; TSTE 420 to TSTE 500; 17MnMoV 6 4; 17MnMoV 64; 15NiCuMoNb 5; 20MnMoNi 4 5;
EN Standard S420N to S500N; S355NL to S500NL; P355NL1 to P460NL1; P355NH to P500NH; P420N to P500N
ASTM Standard ASTM A517 Gr. A, B, C, E, F, H, J, K, M, P. A225 Gr. C; A633 Gr. E; A572 Gr. 65

Rebaking:

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