IDENTIFICATION
Griduct 88C2, E 8018-C2
CLASSIFICATION
AWS/SFA 5.5: E8018-C2, BS: 2493-85 3NiBH
DIN: 8529-81 ESY 4687 3NiB
DESCRIPTION
A basic coated, low-hydrogen electrode producing a 3.5 % nickel weld metal. The all position electrode is designed for applications demanding high yield strength and excellent fracture toughness at temperature down to minus 100°C. The welds are of radiographic quality.
WELD METAL ANALYSIS (RANGE) %
| C | Mn | Ni | Si | S | P |
| 0.08 max | 1.25 max | 3.0 - 3.75 | 0.20 - 0.50 | 0.025 max | 0.025 max |
MECHANICAL PROPERTIES (RANGE)
| UTS (MPa) | YS (MPa) | EL (%) (L=4D) | CVN Impact Value | |
| Temp | Joules | |||
| 560 - 650 | 470 - 560 | 19 - 26 | -80°C | 50 - 80 |
TYPICAL APPLICATIONS
• 3.5% Ni alloyed steels specifically for service at cryogenic temperatures down to -100°C.
• Off-shore fabrication.
• Construction of cryogenic plants and associated piping eg. Petrochemical industry.
• ASTM A335-Grade 6 Pipe
• ASTM A352-Grade LF1 / LF2 forgings
• ASTM A352-Grade LC2 castings
• ASTM A333-Grade 3 pipe
• ASTM A350-Grade LF 350 forging
MICROSTRUCTURE : Ferritic with a component of acicular ferrite.
ASME IX 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 | Packing / Box (kg) | Packing / Box (Pcs) |
| AC / DC (+ / -) | ||||
| 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 | 140 - 190 | 5 x 4 = 20 | 70 x 4 = 280 |
| 5 | 450 | 180 - 250 | 5 x 4 = 20 | 45 x 4 = 180 |