GRIDUCT 88C1
IDENTIFICATION: GRIDUCT 88C1 E8018-C1
CLASSIFICATION: AWS/SFA 5.5: E8018-C1, BS: 2493-85 2NiBH,
DIN: 8529-81 EY 46872NiBH5
APPROVALS : CE
CHARACTERISTICS:
A basic coated, low-hydrogen electrode
producing a 2.5 % nickels weld metal.
The all position electrode is designed for
applications demanding high yield
strength and excellent fracture
toughness at temperature down to
minus 60oC. The welds are of
radiographic quality.
WELD METAL ANALYSIS (RANGE) %
| C | Mn | Ni | Si | S | P |
| 0.09 | 0.50- | 2.0- | 0.20-0.50 | 0.025 max | 0.025 max |
| max | 1.25 | 2.75 |
MECHANICAL PROPERTIES (RANGE)
PWHT AT 6050C/5 HRS
| Tensile Strength MPa | Yield Stress | Elongation | Charpy | |
| MPa | (%) | V-notch | ||
| (L=4D) | impact strength | |||
| 560-650 | 470-560 | 19-26 | Temp | Joules |
| - 20°C | 80-120 | |||
| - 40°C | 60-110 | |||
| - 60°C | 30-80 | |||
TYPICAL APPLICATION:
? 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
MICROSTURUCTURE: Ferritic with a component of acicular ferrite
ASME IX QUALIFICATION: QW-432 F NO 4, QW-442 A NO 10
REDRYING TEMPERATURE: 250-300oC / 1-2 hrs
RECOMMENDED CURRENT AND PACKING DATA:
| SIZE | LENGTH | AMPS | PACKING/BOX | PACKING/BOX |
| (mm) | (mm) | AC/DC (+/-) |
(Kg) | (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 | 140-190 | 5 X 4=20 | 70 x 4 = 280 |
| 5 | 450 | 180-250 | 5 X 4=20 | 45 x 4 = 180 |