IDENTIFICATION
Griduct 78C1L, E 7018C1L
CLASSIFICATION
AWS/SFA 5.5: E7018 C1L, BS: 2493-85 2NiBH,
DIN: 8529-81 EY 46872NiBH5
DESCRIPTION
A basic coated, low carbon low-hydrogen electrode producing a 2.5 % nickel weld metal. The all position electrode is designed for applications demanding high yield strength and excellent fracture toughness at temperature down to minus 73°C. The welds are of radiographic quality.
WELD METAL ANALYSIS (RANGE) %
| C | Mn | Ni | Si | S | P |
| 0.05 max | 0.50 - 1.25 | 2.0 - 2.75 | 0.20 - 0.50 | 0.025 max | 0.025 max |
MECHANICAL PROPERTIES (RANGE)
| TS (MPa) | YS (MPa) | EL (%) (L=4D) | CVN Impact Value | |
| Temp | Joules | |||
| -20°C | 80 - 120 | |||
| 520 - 650 | 450 - 590 | 25 - 30 | -40°C | 60 - 110 |
| -73°C | 40 - 80 | |||
TYPICAL APPLICATIONS
• Off-shore fabrication, LPG tanks
• Fabrication of storage tanks, process plant and associated pipework
• ASTM A335-Grade 6 Pipe
• ASTM A350-Grade LF1 / LF2 forgings
• ASTM A352-Grade LC2 castings
MICROSTRUCTURE : Ferritic with a component of acicular ferrite.
ASME QUALIFICATION : QW-432 F NO 4, QW-442 A NO 10
REDRYING TEMPERATURE : 250 - 300°C / 1 - 2 hrs
WELDING POSITION :
PACKING PARAMETERS
| Size (mm) | Length (mm) | Amps AC / DC (+/-) | Packing / Box (kg) | Packing / Box (Pcs) |
| 2.5 | 350 | 70 - 110 | 5 x 4 = 20 | 160 x 4 = 640 |
| 3.15 / 3.20 | 450 | 90 - 140 | 5 x 4 = 20 | 110 x 4 = 440 |
| 4 | 450 | 130 - 180 | 5 x 4 = 20 | 70 x 4 = 280 |
| 5 | 450 | 180 - 250 | 5 x 4 = 20 | 45 x 4 = 180 |