Détails
Low Alloy, Low Hydrogen • AWS E9018-B3 H4R
Traits
- Easy strike, re-strike and slag removal
- Premium arc performance
Applications typiques
- Power generation
- Process piping
- Chemical processing structures
- Power generation
- Applications requiring stress-relieved conditions
Positions de soudage
- All except vertical down
Gaz de protection
- Not Applicable
Caractéristiques spéciales
- Designed for all-position welding of 2.25% chromium, 1% molybdenum low alloy steels
Disclaimers
Des informations de service
Vous pourriez également avoir besoin
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. |