Detalles
Designed for all-position welding of 2.25% chromium, 1% molybdenum low alloy steels
Características
- Premium arc performance
- Easy strike
- Easy slag removal
Servicio de información
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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. |