E 8018–B3L
1264n ama 1264n

Welding electrode for creep resistant steels

AMA 1264N

AWS/ASME SFA – 5.5 : E 8018–B3L
DIN 8575 : E CrMo 2 B 20+
prEN 1599 : E CrMo 2 B 42 H 10
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Application/properties:

Basic electrode with low carbon weld metal , suitable for creep resistant and hydrogen resistant steels (boiler, vessels and pipes) up to working temperature of 600°C. Its weld metal is tough and resistant to work embitterment.

Weld metal analysis in % (typical values):

C Mn Si P S Cr Mo
<0.05 0.7 0.3 <0.02 <0.02 2.3 1

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+ 		Heat treatment
>550 > 460 > 17 120 T

T: Tempered 1 hour at 790°C, furnace cooling to 300°C

Welding Parameters
Diameter (mm) Length (mm) Amperage (A)
2.5 350 60 – 90
3.25 450 100 – 140
4.0 450 140 – 180
5.0 450 190– 230

Materials:

DIN Standard 10CrMo9 10; 10CrSiMoV7; G17CrMo9; GS-12CrMo 9 10
ASTM Standard A181 Gr. F22; A217 Gr.WC9; A335 Gr.P22; A336 Gr.F22.

Rebaking:

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