IDENTIFICATION
Griduct 98M H4R, E 9018-M H4R
CLASSIFICATION
AWS/SFA 5.5: E 9018M-H4R DIN 8529 ESY 42761 NiBH5
DESCRIPTION
A basic coated, low hydrogen electrode depositing tough and crack free weld metal. The electrode has a very good operability in all positions except vertical down. The weld metal meets X-ray quality requirements.
WELD METAL ANALYSIS (RANGE) %
| C | Mn | Si | S | Ni | Mo | P | Cr | V |
| 0.09 max | 0.80 - 1.25 | 0.20 - 0.45 | 0.025 max | 1.40 - 1.80 | 0.20 - 0.35 | 0.025 max | 0.15 max | 0.05 max |
MECHANICAL PROPERTIES (RANGE)
| TS (MPa) | YS (MPa) | EL (%) (L=4D) | CVN Impact Value | |
| Temp | Joules | |||
| 620 - 740 | 540 - 620 | 24 - 30 | -50°C | 60 - 120 |
TYPICAL APPLICATIONS
• For welding high tensile steels used for pressure vessels and other applications.
• A516 grade 70 steel subjected to normalizing and stress relieving cycles
• ASTM A508 class 1, 1a, 2, 3.
• ASTM A533 Type A-D class 1 and 2, etc.
ASME IX QUALIFICATION : QW 432 F NO. 4, QW 442 A NO. 10
DIFFUSIBLE HYDROGEN CONTENT : 4 ml / 100g max
WELDING POSITION :
PACKING PARAMETERS
| Size (mm) | Length (mm) | Amps AC / DC (+) | Packing / Box (kg) | Packing / Box (Pcs) |
| 2.5 | 350 | 60 - 100 | 5 x 4 = 20 | 160 x 4 = 640 |
| 3.15 / 3.20 | 450 | 80 - 130 | 5 x 4 = 20 | 110 x 4 = 440 |
| 4 | 450 | 130 - 180 | 5 x 4 = 20 | 70 x 4 = 280 |
| 5 | 450 | 160 - 220 | 5 x 4 = 20 | 45 x 4 = 180 |