Détails
Traits
- AC polarity welding
- Low open circuit voltage operation
- Minimal spatter
- Capable of cold re-strikes
Applications typiques
- General fabrication
- Tack and skip welds
- Thin section
Positions de soudage
- All except vertical down
Gaz de protection
- Not Applicable
Caractéristiques spéciales
- Retail Small Packaging (RSP). All RSP products carry AWS compliance. Unlike the standard products, RSP products have no other agencies approvals.
Disclaimers
Des informations de service
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, E7018-H8 |
MECHANICAL PROPERTIES
| Classification |
Yield Strength @ 0.2% Offset
MPa (ksi) |
Tensile Strength
MPa (ksi) |
Elongation
% |
Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F) |
Hardness Rockwell B |
|---|---|---|---|---|---|
| E7018-H8 Requirement | 400 (58) min. | 480 (70) min. | 22 min. | 27 (20) min. | |
| Typical Result, As-welded | 480-500 (69-72) | 560-590 (81-86) | 26-33 | 31-95 (23-70) | 88-91 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E7018-H8 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. | 8 max. | 0.6 max. |
| Typical Result | 0.04-0.06 | 0.03-0.04 | 0.98-1.32 | 0.01 | 0.02-0.03 | 0.018-0.019 | 0.007-0.013 | 0.33-0.38 | 0.02 | 1.06-1.40 | 3-6 | 0.1-0.2 |
TYPICAL OPERATING PROCEDURES
| Diameter | Polarity |
Current
Amps |
|---|---|---|
| 3/32" (2.4 mm) | AC | 75-120 |
| 3/32" (2.4 mm) | DC+ | 70-115 |
| 1/8" (3.2 mm) | AC | 105-150 |
| 1/8" (3.2 mm) | DC+ | 100-140 |
| 5/32" (4.0 mm) | AC | 130-200 |
| 5/32" (4.0 mm) | DC+ | 120-185 |