E 8010–P1
1049p1 ama 1049p1

Cellulose electrode for welding oil and gas pipes

AMA 1049P1

AWS/ASME SFA-5.5 : E 8010–P1

Application/properties:

Cellulosic electrode for welding of large diameter and high strength pipes using the vertical down technique. It is suitable for welding root passes filler and cover passes.

Weld metal analysis in % (typical values):

C Mn Si Ni MO S P
0.11 0.7 0.1 0.65 0.25 <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
30°C-
>550 > 460 > 19 > 27

Welding Parameters
Diameter (mm) Length (mm) Amperage (A)
2.5 350 60 – 80
3.25 350 80 – 120
4.0 350 110 – 140
5.0 350 140 – 200

Materials:

DIN Standard STE 415.7 to STE 485.7; StE 415.7 TM to StE 480.7 TM
EN Standard L415NB to L485NB, L415MB to L485MB
ASTM Standard APl Spec. 5 L: A, B, X42, X46, X52, X56, X60, X70.

*This electrode covers E8010-G properties.
*Preheat and interpass temperature is selected according to grade and thickness of pipe.