Applications
Welding of 70kgf/mm2 class high tensile strength steel (WES HW63), ASTM A514 etc.) for pressure vessels, penstocks, bridges, offshore construction, and industrial machinery.
Characteristics
N-10016G is a low hydrogen type electrode for all-position welding.
Its usability and x-ray soundness are very good.
It provides weld metal of good metal notch toughness and of high crack resistibility.
Notes on usage
(1) Dry the electrodes at 350oC-400oC for about one hour before use and store the electrodes at 100-150oC after drying them with attention to keep away from moisture.
(2) Adopt back step method or strike the arc on a small steel plate prepared for this particular purpose, because arc striking on base metal is in danger of initiating cracking.
(3) Keep the arc as short as possible.
(4) Preheat at 100-150oC. The temperature to be applied varies in accordance with plate thickness and kind of steel to be welded.
(5) Pay attention not to exceed proper heat-input because excessive heat-input causes deterioration of impact values and yield strength of weld metal.
(6) Immediate post heating at 150-200oC after welding is effective to prevent cracking.
Typical Chemical Composition of Weld Metal (%):
C |
Si |
Mn |
Cr |
Ni |
Mo |
0.07 |
0.63 |
1.45 |
0.23 |
1.55 |
0.19 |
Typical Mechanical Properties of Weld Metal:
Yield Point
N/mm2 (Kgf/mm2) |
Tensile Strength
N/mm2 (Ksi) |
Elongation
(%) |
Impact Value
Deg C, J (Deg F, Ft-lbs) |
650 (94) |
750 (109) |
25 |
-20,100 (-4,74) |
Size and Recommended Current Range (AC or DC +):
Diameter (mm) |
2.5 |
3.2 |
4.0 |
5.0 |
Length (mm) |
350 |
350 |
350 |
350 |
Ampere |
Flat |
55-85 |
90-130 |
130-180 |
180-240 |
V & OH |
50-80 |
80-115 |
110-170 |
150-200 |
Welding Positions:
ALL POSITIONS
Packing:
20 Kg corrugated box, with 4 units of 5 Kg shrinked plastic wrapped paper boxes inside.
Special requests on packing are accepted. |
