E 9018–D1–H4
1286n ama 1286n

Welding electrode for fine-grained structural steels

AMA 1286N

AWS/ASME SFA-5.5: E 9018–D1–H4

Application/properties:

Basic electrode for producing crack-free and tough welded joints in low temperatures. Weld metal is of high metallurgical purity with very low hydrogen content. Easy releasable slag and good bead profile.

Weld metal analysis in % (typical values):

C Mn Si Mo Ni S P
0.07 1.7 0.45 0.35 0.5 <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
20°C     -40°C      -51°C+
Heat treatment
630 - 780 >550 >22 >130        >50          >40 -
630 - 760 >550 >22 >130        >50          >40 T

T: Tempered 1 hour at 620°C, air cooling

Welding Parameters
Diameter (mm) Length (mm) Amperage (A)
2.5 350 65 – 90
3.25 350 90 – 130
4.0 450 140 – 180
5.0 450 190 – 230

Materials:

DIN Standard STE 355 to STE 500; TStE 355 to TStE 500; 17MnMoV 6 4; 17MnNi 4;
EN Standard S380N; S500N; P380NL to S500NL.
ASTM Standard 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
Preheating, inter pass temperature and post weld heat treatment in accordance with base metal to be welded.