Classification: SA FB 1 55 AC H5 (Flux EN ISO 14174)
Submerged arc flux · Oerlikon Welding
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Key features
- Designed for the welding of creep resistant steels 2,25Cr-1Mo-0,25V and 2,25Cr-1Mo
- Very low X-factor and J factor in the weld metal
- Very low silicon pick-up
- No reduction in toughness after “Step Cool” heat treatment with OE-CROMO S225 wire
Standards and classifications
| Flux EN ISO 14174 | SA FB 1 55 AC H5 |
|---|---|
| Flux/wire AWS A5.23 | OE-SD3 1Ni 1/2Mo F10A8/F9P8-EF3-F3 OE-S1 CrMo5 F8P0-EB6-B6 OE-CROMO S225 F9P2-EB3R-B3 OE-CROMO S225V F9P2-EGR-GR |
Chemical composition
- (WEIGHT %), TYPICAL, ALL WELD METAL
- Wire grade C Mn Si Cr Ni Mo Nb V
- OE-SD3 1Ni 1/2Mo 0.11 1.8 0.3 0.93 0.5
- OE-S1 CrMo5 ≤0.12 ≤1 ≤0.5 5 0.5
- OE-CROMO S225 ≤0.12 ≤1 ≤0.25 2.2 1
- OE-CROMO S225V ≤0.12 ≤1 ≤0.25 2.4 1 0.02 0.25
Mechanical properties
- , TYPICAL, ALL WELD METAL
- Wire grade Condition*
- Yield
- strength
- (MPa)
- Tensile
- strength
- (MPa)
- Elongation
- (%)
- Impact ISO-V (J)
- 0°C -20°C -40°C -60°C
- OE-SD3 1Ni 1/2Mo AW ≥650 740-800 ≥21 >47
- OE-SD3 1Ni 1/2Mo PWHT 640°C/6h ≥570 700-740 ≥22 >47
- OE-S1 CrMo5 PWHT 760°C/2h ≥470 550-700 ≥20 ≥54
- OE-CROMO S225 PWHT 690°C/8h ≥540 620-750 ≥18 ≥100 ≥100 ≥50
- OE-CROMO S225V PWHT 710°C/8h ≥540 620-750 ≥18 ≥27
- *AW = As welded; PWHT = Post weld heat treatment
Flux characteristics
| Current type | DC, AC |
|---|---|
| Basicity (Boniszewski) | ~2.6 |
| Grain size (EN ISO 14174) | 2-20 |
Redrying 300-350°C x 2-4h
Versions and packaging
| Item number | Net weight (kg) | Packaging |
|---|---|---|
| W000380061 | 25.0 | DRY BAG 25.0 |
Availability of individual item numbers is confirmed with the quotation.
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