Basic type 2 ¼ Cr - 1 Mo electrode designed for elevated temperatures up to 550°C. Applications include piping, casting and boiler super heaters. Also used in Petrochemical industries on hydrocrackers.
Features and Applications
Steam boilers and steam pipes made of Cr-Mo-alloyed heat-resistant steels
Cementation steels, nitride steels
Electrode coating of basic character
Requirement of re-drying for 2 hours at the temperatures between 300°C and 350°C
Vacuumed packed electrodes
Typical Base Material Grades
13CrMo4-5, 15CrMo5, 16CrMoV4, G17CrMo5-5, GS22Mo4, G22CrMo5-4, A193 Gr.B7,
A335 Gr.P11
| Standards |
Current Type |
EN ISO 3580-A - E CrMo1 B 42 H5
|
D.C. (+)
|
AWS A5.5 - E8018-B2 H4
|
|
| Chemical Composition of Weld Metal % (Typical) |
| C |
Si |
Mn |
Mo |
Cr |
| 0.07 |
0.5 |
0.8 |
0.5
|
1.1 |
| Mechanical Properties |
Yield Strength
(N/mm2) |
Tensile Strength
(N/mm2) |
Impact Strength
(ISO-V/+20ºC)
|
Elongation
(Lo=5do)(%) |
Heat Treatment |
min. 460
|
min 550
|
min. 47 J |
min. 20 |
690ºC/1hr
300ºC (air) |
Welding Positions
| Operating Data |
| Diameter x Length (mm) |
Welding Current (A) |
Package
Weight (Kg) |
Carton
Weight (Kg) |
|
2.50 x 350
3.20 x 350
4.00 x 450
|
80 - 110
100 - 140
140 - 190
|
2
2
3
|
12
12
18
|
Liability: Whilst all reasonable efforts have been made to ensure the accuracy of the information contained. This information is subject to change without notice and can be only considered as suitable for general guidance.
