DETAILS
Mild steel and low hydrogen electrode designed to meet the H4R designation from AWS A5
Features
- 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
Disclaimers
Service Information
BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page
See test result disclaimer
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. |