IDENTIFICATION
Griduct 400, E 12018-G
CLASSIFICATION
AWS/SFA 5.5: E 12018G
DESCRIPTION
Basic coated hydrogen controlled electrode depositing weld metal having tensile strength more than 850 MPa. The welds are of radiographic quality and electrode can be used as all positions except vertical down.
WELD METAL ANALYSIS (RANGE) %
| C | Mn | Si | S | P | Cr | Ni | Mo | V |
| 0.05 - 0.08 | 1.50 - 1.90 | 0.20 - 0.50 | 0.012 max | 0.015 max | 0.25 - 0.45 | 1.90 - 2.50 | 0.30 - 0.55 | 0.05 max |
MECHANICAL PROPERTIES (RANGE)
| TS (MPa) | YS (MPa) | EL (%) (L=5D) | CVN Impact Value | |
| Temp | Joules | |||
| 850 min | 760 min | 15 min | -40°C | 50 min |
| -50°C | 45 min | |||
TYPICAL APPLICATIONS
Welding of high tensile Q & T steels such as US T-1, HY80, HY 100 , A517 Gr B and F and equivalents.
DIFFUSIBLE HYDROGEN CONTENT : ≤ 3.0ml / 100g
DRYING TEMPERATURE : 425° - 450°C / 2 hrs min
WELDING POSITION :
PACKING PARAMETERS
| Size (mm) | Length (mm) | Amps DC (+) | Packing / Box (kg) | Packing / Box (Pcs) |
| 2.5 | 350 | 60 - 85 | 5 x 4 = 20 | 160 x 4 = 640 |
| 3.15 / 3.20 | 450 | 90 - 130 | 5 x 4 = 20 | 110 x 4 = 440 |
| 4 | 450 | 140 - 190 | 5 x 4 = 20 | 70 x 4 = 280 |
| 5 | 450 | 190 - 250 | 5 x 4 = 20 | 45 x 4 = 180 |