DETAILS
Low alloy stick electrode designed for vertical up fill and cap pass welding of up to X80 grade pipe
Features
- Q2 Lot® - Control and Tested - Lot certificate available online
- Charpy V-Notch impact toughness tested to -46°C (-50°F)
- vertical up capability on X80 grade pipe
Service Information
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BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page
CONFORMANCE
| CONFORMANCES | SPECIFICATION | CLASSIFICATION |
|---|---|---|
| AWS | AWS A5.5 | E10018-G-H4R |
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) |
|---|---|---|---|---|
| E10018-G-H4R Requirement | 600 (87) min. | 690 (100) min. | 16 min. | |
| Typical Result, As-welded | 660-750 (95-109) | 730-800 (106-115) | 21-28 | 73-125 (54-92) |
DEPOSIT COMPOSITION
| Classification | %B | %C | %Cr | %Cu | %Mn | %Mo | %Ni | %P | %S | %Si | %V |
Diffusible Hydrogen
mL/100g Weld Metal |
1800F H2O - As received | 1800F H2O - After 9 hrs at 80F/80%RH |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E10018-G-H4R Requirement | 0.30 min. * | 0.20 min. * | 1.00 min. * | 0.20 min. * | 0.50 min. * | 0.03 max. | 0.03 max. | 0.80 min. * | 0.10 min. * | 4 max. | 0.15 max. | 0.4 max. | ||
| Typical Result | 0.0002 max. | 0.038-0.049 | 0.02-0.04 | 0.01-0.07 | 1.54-1.89 | 0.42-0.45 | 2.06-2.28 | 0.01 | 0.01 | 0.40-0.54 | 0.01 max. | 1-3 | 0.02-0.10 | 0.1-0.3 |
TYPICAL OPERATING PROCEDURES
| Diameter | Polarity⁽¹⁾ |
Current
Amps |
|---|---|---|
| 3.2 mm (1/8 in) | DC+ | 80-155 |
| 3.2 mm (1/8 in) | AC | 80-160 |
| 4.0 mm (5/32 in) | DC+ | 130-210 |
| 4.0 mm (5/32 in) | AC | 140-215 |
NOTES
| Note |
|---|
| * To meet the requirements of a "G" classification, the chemical composition of the weld deposit must meet the minimum requirement for one or more of these elements. |
| ⁽¹⁾ Preferred polarity is listed first. |