DETAILS
Low alloy stick electrode designed for welding 1.25% chromium, 0.50% molybdenum steel
Features
- Designed for welding 1.25% chromium, 0.50% molybdenum steel
- Easy slag removal
- Premium arc performance
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
See test result disclaimer
CONFORMANCE
| CONFORMANCES | SPECIFICATION | CLASSIFICATION |
|---|---|---|
| AWS | AWS A5.5 | E8018-B2 H4R |
| CWB | CSA W48 | E5518-B2 (E8018-B2) |
MECHANICAL PROPERTIES
| Classification |
Yield Strength @ 0.2% Offset
MPa (ksi) |
Tensile Strength
MPa (ksi) |
Elongation
% |
Hardness Rockwell B |
|---|---|---|---|---|
| E8018-B2 H4R Requirement | 460 (67) min. | 550 (80) min. | 19 min. | |
| Typical Result, 1 hour @ 690°C (1275°F) | 540-640 (78-93) | 650-740 (95-107) | 21-28 | 93-98 |
DEPOSIT COMPOSITION
| Classification | %C | %Cr | %Mn | %Mo | %P | %S | %Si |
Diffusible Hydrogen
mL/100g Weld Metal |
1800F H2O - As received | 1800F H2O - After 9 hrs at 80F/80%RH |
|---|---|---|---|---|---|---|---|---|---|---|
| E8018-B2 H4R Requirement | 0.05 - 0.12 | 1.00 - 1.50 | 0.90 max. | 0.40 - 0.65 | 0.03 max. | 0.03 max. | 0.80 max. | 4 max. | 0.2 max. | 0.4 max. |
| Typical Result | 0.09-0.12 | 1.13-1.41 | 0.68-0.89 | 0.48-0.64 | 0.01-0.02 | 0.01 max. | 0.44-0.64 | 1-2.4 | 0.1 max. | 0.1-0.4 |
TYPICAL OPERATING PROCEDURES
| Diameter | Polarity⁽¹⁾ |
Current
Amps |
|---|---|---|
| 3/32 in (2.4 mm) | DC+ | 60-110 |
| 3/32 in (2.4 mm) | AC | 65-120 |
| 1/8 in (3.2 mm) | DC+ | 85-160 |
| 1/8 in (3.2 mm) | AC | 90-170 |
| 5/32 in (4.0 mm) | DC+ | 110-210 |
| 5/32 in (4.0 mm) | AC | 115-220 |
NOTES
| Note |
|---|
| ⁽¹⁾ Preferred polarity is listed first. |