Diámetros / Embalaje
|
Diámetros mm |
50 lb Easy Open Can |
|---|---|
| 1/8 x 14 in (3.2 x 350 mm) | ED035314 |
Detalles
Mild steel and low hydrogen electrode designed to meet the H4R designation from AWS A5
Características
- Flatter bead than Excalibur
- Slower, more sluggish electrode than Excalibur for higher bead manipulation
- Moisture pick-up resistant
- Clear weld puddle without slag interference
- Effortless slag removal
- No intentional addition of zinc for moisture resistance
Servicio de información
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CONFORMANCE
| CONFORMANCES | SPECIFICATION | CLASSIFICATION |
|---|---|---|
| AWS | AWS A5.1 | E7018-1 H4R |
| ABS | ABS - Part 2 | 3YH5 |
| CWB | CSA W48 | E4918-1-H4 |
| DNV-GL | DNV - 2.9 | 3YH5 |
| LR | LR - Chapter 11 | 3YM H5 |
MECHANICAL PROPERTIES
| Classification |
Yield Strength @ 0.2% Offset
MPa (ksi) |
Tensile Strength
MPa (ksi) |
Elongation
% |
Charpy V-Notch
J (ft-lbs) @ -45°C (-50°F) |
Hardness Rockwell B |
|---|---|---|---|---|---|
| E7018-1 H4R Requirement | 400 (58) min. | 480 (70) min. | 22 min. | 27 (20) min. | |
| Typical Result, As-welded | 430-490 (62-71) | 530-590 (78-85) | 26-37 | 35-160 (26-118) | 85-88 |
DEPOSIT COMPOSITION
| Classification | %C | %Cr | %Mn | %Mo | %Ni | %P | %S | %Si | %V | %Mn+Ni+Cr+Mo+V |
Diffusible Hydrogen
mL/100g Weld Metal |
1800F H2O - As received | 1800F H2O - After 9 hrs at 80F/80%RH |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E7018-1 H4R Requirement | 0.15 max. | 0.20 max. | 1.60 max. | 0.30 max. | 0.30 max. | 0.035 max. | 0.035 max. | 0.75 max. | 0.08 max. | 1.75 max. | 4 max. | 0.3 max. | 0.4 max. |
| Typical Result | 0.05-0.08 | 0.02-0.04 | 1.21-1.45 | 0.14 max. | 0.01-0.02 | 0.008-0.013 | 0.005-0.021 | 0.33-0.63 | 0.01 | 1.26-1.65 | 1-4 | 0.2 max. | 0.1-0.3 |
TYPICAL OPERATING PROCEDURES
| Diameter | Polarity⁽¹⁾ |
Current
Amps |
|---|---|---|
| 3/32 in (2.4 mm) | DC+ | 70-110 |
| 3/32 in (2.4 mm) | AC | 80-120 |
| 1/8 in (3.2 mm) | DC+ | 90-160 |
| 1/8 in (3.2 mm) | AC | 100-160 |
| 5/32 in (4.0 mm) | DC+ | 120-220 |
| 5/32 in (4.0 mm) | AC | 130-220 |
| 5.0 mm | DC+ | 150-300 |
| 5.0 mm | AC | 160-320 |
| 6.0 mm | DC+ | 200-370 |
| 6.0 mm | AC | 220-360 |
NOTES
| Note |
|---|
| ⁽¹⁾ Preferred polarity is listed first. |