SAW
MF-38 / 
US-A4
SAW flux and wire combination
| Features: | - Suitable for butt and fillet welding
- Applicable for 0.5%Mo steel
|
|---|
| Classification: | AWS A5.23 F8A4-EA4-A4, F8P2-EA4-A4 |
|---|
| Type of flux: | Fused |
|---|
| Redrying of flux: | 150-350°Cx1h |
|---|
| Polarity: | AC |
|---|
Welding Positions:
Packaging data
| Flux | Mesh | Can | Wire | φ mm | Coil |
|---|
| MF-38 | 12x65 | 25kg | US-A4 | 3.2 | 25kg |
|---|
| 20x200 | 25kg
|
| 4.0 | 25kg |
| 20xD | 25kg
|
| 4.8 | 25kg |
| Volume mm | 240W, 350H, 240L | Volume mm | 430W, 90H, 430L |
|---|
Composition (wire mass%)
| | Typical | Guarantya |
|---|
| C | 0.09 | 0.07-0.12 |
|---|
| Si | 0.04 | 0.05 |
|---|
| Mn | 1.59 | 1.25-1.70 |
|---|
| P | 0.01 | 0.025 |
|---|
| S | 0.014 | 0.025 |
|---|
| Ni | 0.02 | 0.25 |
|---|
| Cr | 0.04 | 0.15 |
|---|
| Mo | 0.52 | 0.45-0.60 |
|---|
| Cu | 0.10 | 0.35 |
|---|
| Note: aSingle values are maximium. |
Composition (weld metal mass %)
| | Typical | Guarantya |
|---|
| C | 0.10 | 0.15 |
|---|
| Si | 0.39 | 0.80 |
|---|
| Mn | 1.35 | 1.60 |
|---|
| P | 0.013 | 0.030 |
|---|
| S | 0.013 | 0.030 |
|---|
| Mo | 0.52 | 0.40-0.65 |
|---|
| Cu | 0.11 | 0.35 |
|---|
| Note: aSingle values are maximium. |
Weld mechanical properties
| | Typical | Guaranty |
|---|
| 0.2%YS (MPa) | 520 | 510 | 469min. |
|---|
| TS (MPa) | 640 | 600 | 552-689 |
|---|
| EI on 4d (%) | 28 | 29 | 20min. |
|---|
| IV (J) | -40°C: 37 | -51°C: 40 | -40°C: 27min. | -51°C: 27min. |
|---|
| PWHT (°Cxh) | AW | 620x1 | AW | 620±15x1 |
|---|
