Low-alloyed Electrodes
ES 9018 B3 A5.5: E 9018-B3 / E 1599: E CrMo 2 B 42 H5
Description
ES 9018 B3 is a basic coated electrode for joining and welding of great and creep resistant steels containing % 2.2 Cr + % 1.0 Mo that are exposed to operating temperatures up to +600°C. The weld metal has a high resistance to cracking. ES 9018 B3 runs with a quite, stable arc giving a minimum amount of spatter and smooth weld beads. It is recommended to use the electrode in DC (+). Re-drying is 350°C - 400°C min. 2h
Typical Chemical Composition (%)
| Si | Mn | Mo | Cr | C |
|---|---|---|---|---|
| 0.40 | 0.80 | 1.10 | 2.40 | 0.05 |
Typical Mechanical Properties
| Yeild Strength | Tensile Strength | Elongation 5x D | Impact (ISO-V) |
|---|---|---|---|
| 540 N / mm² | 650 N / mm² | % 20 | +20°C – 100 j |
Applications
Power plant construction ; flange pipes used in petrochemical plants ; forged cast parts, vapour production plants. Pre heaters and heaters, steam boilers and pressure vessels and steam pipes made of Cr-Mo alloyed steels, nitride steels, non heated cementation steels connections are among some application areas where ES 9018 B3 is used. It can also be used in welding similarly alloyed cementation steels, heat treatable steels and cast steels. Part should be preheated before welding to avoid the cracking risk and operating temperature during welding should not exceed 300°C
Sizes Available & Recomennded Currents
| Diam. (mm) | Length (mm) | Current (Amperes) | Arc Voltage | Wire Feed |
|---|---|---|---|---|
| 2.50 | 350 | 80 - 110 | ||
| 3.25 | 350 | 90 - 140 | ||
| 4.00 | 450 | 130 - 190 | ||
| 5.00 | 450 | 150 - 260 |
Welding Current
DC {+}
Welding Positions
 Flat |
 Horizontal |
 Vertical Up |
 Overhead |
 Fillet |