Mild & carbon steels
FERVEO STL 380B4
covered electrode · stick electrodebasic coatingCatalogue only
AWS class
E 7016-1 H4
EN ISO class
E 38 4 B 42 H5
Tensile strength (Rm)
490–600 MPa
Recovery
110 %
Classification
| AWS class | E 7016-1 H4 |
|---|---|
| EN ISO class | E 38 4 B 42 H5 |
Purpose
- Low-hydrogen basic electrode, the entry step of the FERVEO STL ladder's basic range (AWS E 7016-1 H4, EN ISO E 38 4 B 42 H5).
Why it works
The low-hydrogen basic coating gives high-quality, ductile, crack-resistant deposit metal, forming large-cross-section beads in rigid joints — the root pass is recommended on DC(-) polarity.
Fields of application
- General carbon-steel fabrication where quality, low-hydrogen deposit metal is needed on rigid, thick-section joints.
Chemical composition
| Element | Typical, % |
|---|---|
| C | 0.06 |
| Mn | 0.7 |
| Si | 0.5 |
Mechanical properties
| Tensile strength (Rm) | 490–600 MPa |
|---|---|
| Yield strength (Rp0.2) | 400 MPa |
| Elongation (A5) | 24 % |
| Impact energy (KV) | 47 J (−50 °C) |
Process
| Polarity | DC± |
|---|---|
| Positions | PAflatPBhorizontal-verticalPChorizontalPDhorizontal-overheadPEoverheadPFvertical-up |
| Re-drying | 300–350 °C / ≥2 h |
| Recovery | 110 % |
Sizes and part numbers
| Ø | Length | Current | Request |
|---|---|---|---|
| 2.5 mm | 350 mm | 80–110 A | |
| 3.2 mm | 350 mm | 100–140 A | |
| 4 mm | 450 mm | 130–190 A | |
| 5 mm | 450 mm | 190–240 A |
Cross-reference
| Replaces FOX EV PIPE (Böhler) | Direct replacement |
| Replaces OK 53.70 (ESAB) | Direct replacement |
| Replaces LB-52 (Kobelco) | Direct replacement |
| Replaces LB-52U (Kobelco) | Direct replacement |
| Replaces Conarc 51 (Lincoln) | Direct replacement |
| Replaces Baso 100 (Lincoln) | Direct replacement |
| Replaces ESB 40 (Magmaweld) | Direct replacement |
| Replaces ESB 42 (Magmaweld) | Direct replacement |
| Replaces ESB 44 (Magmaweld) | Direct replacement |
| Replaces AS B-268 (Askaynak) | Direct replacement |
| Replaces NIC 7016S (Nicrotec) | Direct replacement |
| Replaces EXTRA (Oerlikon) | Direct replacement |
| Replaces SPEZIAL (Oerlikon) | Direct replacement |
| Replaces TENAX 56S (Oerlikon) | Direct replacement |
| Replaces B7016Sp (Selectarc) | Direct replacement |
| Replaces WA SPEEDARC 7016-E (Welding Alloys) | Direct replacement |
Equivalence refers to the classification (AWS / EN ISO), not to product identity. In applications with a qualified procedure (WPS), validate the substitution before use.
Base metals
S235JR-E295S235J2G3-S355J2G3C22C35P235T1-P355T1P235T2P355T2L210 -L320L290MB-L320MBP235G1THP255G1THP235GHP265GHP295GHS235JRS1-S235J4SS315G1S-S355G3SS255N-S355NP255NH-P355NHS255NL-S355NLGE200 - GE240API 5L: ABX42X46X52X56
Advantages
- Ductile, crack-resistant, high-quality deposit metal, on rigid, large-cross-section joints.
- Weldable in all positions except vertical-down.
Limitations
- For higher certified low-temperature toughness, see the upper FERVEO STL 420B4/B5/B6 steps.