Classification: E7018-A1 H8 (AWS/ASME SFA - 5.5)
Basic type, heavy coated electrode for welding creep resistant steels employed in the fabrication of pressure vessels, boilers and pipes, subjected to operating temperatures of up to 500°C.
Price on request
Price and availability are provided by quotation. Send an enquiry with quantity and variant.
Product description
Basic type, heavy coated electrode for welding creep resistant steels employed in the fabrication of pressure vessels, boilers and pipes, subjected to operating temperatures of up to 500°C. Welds are of X-ray quality. Preheating, interpass temperature and post-weld heat treatment shall be done according to base metal used.
Standards and classifications
| AWS/ASME SFA - 5.5 | E7018-A1 H8 |
| EN ISO 3580 - A | E Mo B 42 H5 |
| TS EN ISO 3580 - A | E Mo B 42 H5 |
Base materials
| EN | DIN |
|---|---|
| S255N - S420N | StE 255 - StE 420 |
| P235G1TH - P255G1TH | St 35.8 - St 45.8 |
| P295GH, P355GH | 17Mn4, 19Mn5 |
| 16Mo3 | 15Mo3 |
| 16Mo5 | |
| L360MB - L415MB | StE 360.7 TM - StE 415.7 TM |
| L360NB - L415NB | StE 360.7 - StE 415.7 |
| X52 - X60 | |
| GP240GH, G20Mo4 | GS-C 25, GS-22Mo4 |
Typical chemical values of weld metal
| Type of Analysis | C | Si | Mn | Mo |
|---|---|---|---|---|
| Weld Deposit | 0.05 | 0.30 | 0.65 | 0,50 |
Typical mechanical values of weld metal
| Test Condition | Yield Strength (N/mm²) | Tensile Strength (N/mm²) | Elongation A5 (%) | Charpy V-Notch Properties (J) |
|---|---|---|---|---|
| As welded | 485 | 580 | 27 | 20°C → 175 |
| After Heat Treatment(620°C 1 hour) | 500 | 575 | 26 | 20°C → 160 |
Welding positions
PAPBPCPDPEPF
Polarity
DC(+)
Welding parameters and efficiency
| Diameter x Length (mm) | Current (A) |
|---|---|
| 2.50x350 | 60-90 |
| 3.25x350 | 90-130 |
| 4.00x450 | 140-180 |
| 5.00x450 | 180-240 |
Variants and packaging
| Product Code | Diameter X Length (mm) | Pieces per Box (~) | Weight Of The Box (kg) | Boxes Per Package | Weight Of The Package | Packaging Type |
|---|---|---|---|---|---|---|
| 12015HKEM2 | 2.50x350 | 118 | 2.5 | 6 | 15.5 | VAC Box |
| 12015HREM2 | 2.50x350 | 236 | 5.0 | 3 | 15.4 | Cardboard Box |
| 12015NKEM2 | 3.25x350 | 72 | 2.5 | 6 | 15.5 | VAC Box |
| 12015NREM2 | 3.25x350 | 144 | 5.0 | 3 | 15.4 | Cardboard Box |
| 12015SKEM2 | 4.00x450 | 37 | 2.5 | 6 | 15.6 | VAC Box |
| 12015SSEM2 | 4.00x450 | 96 | 6.5 | 3 | 19.9 | Cardboard Box |
| 12015VSEM2 | 5.00x450 | 64 | 6.5 | 3 | 19.9 | Cardboard Box |
Storage and re-drying
- It can be dried maximum 5 times.
- It has to be dried at 350°C for 2 hours.
Documentation
Documents open from the official Magmaweld pages (PDF).