WELDERS FRIENDLY HEAVY COATED BASIC TYPE, HYDROGEN-CONTROLLED ELECTRODE.
IDENTIFICATION
GRICON 75, E 7015
CLASSIFICATION
AWS A 5.1 E7015
DESCRIPTION
Weld able in all positions (F.H.V.O). Welding technique including arc striking/restricting calls for practical experience for best result. The bead appearance is smooth and the slag is compact, thick and easily detachable. The welds are of radiographic quality.
WELD METAL ANALYSIS (RANGE) %
| C | Mn | Si | S | P | Ni | Cr | Mo | V | Mn + Ni + Cr + Mo + V |
| 0.1 | 1.25 | 0.9 | 0.03 | 0.03 | 0.3 | 0.2 | 0.3 | 0.08 | 1.50 max |
| max | max | max | max | max | max | max | max | max |
MECHANICAL PROPERTIES (RANGE)
| UTS (MPa) | YS (MPa) | EL (%) (L=4D) | CVN Impact Value | |
| Temp | Joules | |||
| 27°C | 120 - 200 | |||
| 490 min | 400 min | 24 - 30 | 0°C | 100 - 180 |
| -20°C | 80 - 160 | |||
| -30°C | 60 - 140 | |||
TYPICAL APPLICATIONS
• For radiographic quality welding of highly stressed crack sensitive Joints in steel structures, ship building, heavy duty boilers and pressure vessels, bridges, storage tanks, high pressure pipelines etc.
• Recommended for higher carbon & higher sulphur steels, which are susceptible to hydrogen induced cracking.
DIFFUSIBLE HYDROGEN : Max 4ml / 100g of deposited weld metal.
ASME IX QUALIFICATION : QW - 432 F - NO 4 QW - 442 A - NO 1
REDRYING TEMPERATURE : 250°C / 2hrs
WELDING POSITION :
PACKING PARAMETERS
| Size (mm) | Length (mm) | Amps DC (+) | Packing / Box (kg) |
| 2.5 | 350 | 60 - 85 | 2 x 6 = 12 |
| 3.15 / 3.20 | 450 | 100 - 130 | 2 x 6 = 12 |
| 4 | 450 | 140 - 180 | 2 x 6 = 12 |
| 5 | 450 | 180 - 220 | 2 x 6 = 12 |