E8018-B2 ISO E5518-1CM Welding Rod (CHH308)
E8018-B2 welding rod is suitable for welding structures fabricated by Cr1%-Mo0.5% heat-resisting low alloy steels which work temperature is below 520℃, such as pipes of boiler, high pressure vessels, petrochemical containers, petroleum thermal cracking equipments and so on.
Type of Covering: Low hydrogen, potassium, iron powder
Welding Position: F, H, HF, OH, V
Type of Current: DCEP or AC
E8018-B2 Chemical Composition of Deposited Metal (%)
| C | Mn | P | S | Si | Cr | Mo | |
|---|---|---|---|---|---|---|---|
| Standard | 0.05-0.12 | ≤0.90 | ≤0.030 | ≤0.030 | ≤0.80 | 1.0-1.50 | 0.40-0.65 |
| Typical | 0.080 | 0.73 | 0.013 | 0.009 | 0.24 | 1.31 | 0.52 |
Mechanical Properties of Deposited Metal (PWHT 690℃±15℃x1h)
| Tensile Strength Rm (MPa) | Yield Strength ReL/Rp0.2 (MPa) | Elongation A4 (%) | Ambient Temp Impact Value (J) | |
|---|---|---|---|---|
| Standard | ≥550 | ≥460 | ≥17 | -- |
| Typical | 640 | 540 | 22 | 170 |
Sizes & Recommended Current (DC+ or AC Open Circuit Voltage ≥70V)
| E8018-B2 Welding Rod Diameter (mm) | 2.0 | 2.5 | 3.2 | 4.0 | 5.0 |
|---|---|---|---|---|---|
| Welding Rod Length | 300 | 300 | 350 | 400 | 400 |
| Welding Current (A) | 40-70 | 60-90 | 90-120 | 140-180 | 170-210 |