DETAILS
Designed for all-position welding of 2.25% chromium, 1% molybdenum low alloy steels
Features
- Premium arc performance
- Easy strike
- Easy slag removal
Disclaimers
Service Information
You May Also Need
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 | E9018-B3, E9018-B3 H4R |
| CWB | CSA W48 | E6218-B3 (E9018-B3) |
MECHANICAL PROPERTIES
| Classification |
Yield Strength @ 0.2% Offset
MPa (ksi) |
Tensile Strength
MPa (ksi) |
Elongation
% |
Hardness Rockwell B |
|---|---|---|---|---|
| E9018-B3 H4R Requirement | 530 (77) min. | 620 (90) min. | 17 min. | |
| Typical Result, 1 hour @ 690°C (1275°F) | 600-670 (87-97) | 700-780 (102-112) | 17-23 | 96-100 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| E9018-B3 H4R Requirement | 0.05 - 0.12 | 2.00 - 2.50 | 0.90 max. | 0.90 - 1.20 | 0.03 max. | 0.03 max. | 0.80 max. | 4 max. | 0.15 max. | 0.4 max. |
| Typical Result | 0.08-0.12 | 2.16-2.47 | 0.78-0.90 | 0.90-1.11 | 0.01-0.02 | 0.01 max. | 0.44-0.60 | 1.0-3.0 | 0.01-0.10 | 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. |