SJF-711
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E71T-1C
Flux Cored Welding Wire : SJF-711
Specification：AWS A5.20 E71T-1C
AWS A5.36 E71T-C1A0-CS
JIS Z3313 T492T21CA
GB/T10045-2001 E501T-1
GB/T10045-2018 T492T1-1C1A
CSA W48 E491T1-C1A3-CS1
Introduction：
SJF-711 is a kind of CO₂ gas-shielded flux-cored welding wire for low-carbon steel and 490MPa high strength steel.
Using DC reverse polarity, it provides deep penetration and has excellent impact toughness.
Excellent all-position welding performance, low fume generation, a soft and stable arc, easy slag removal, and superior X-ray inspection quality.
Application：
Shipbuliding
Offshore platforms
Starage tank
Steel structure
Boiler
Pressure Vessels
Steel pipeline
Heavy machinery
Pass the certification：
ABS、KR、RINA、NK、DNV、CWB、GL、CCS、CE、LR、BV
Chemical Composition of Wire %：
| C | Mn | Si | P | S | Ni | Cr | Mo | V | |
| AWS | ≤0.18 | ≤2.00 | ≤0.90 | ≤0.030 | ≤0.030 | ≤0.50 | ≤0.20 | ≤0.30 | ≤0.08 |
| TR(HC) | 0.06 | 1.32 | 0.45 | 0.013 | 0.007 | 0.02 | 0.02 | 0.002 | 0.016 |
Mechanical Properties of Deposited Metal：
| Tensile Strength | Yield Strength | Elongation | Impact Value | |||||
| Mpa | Mpa | % | -20℃ J | |||||
| TR(HC) | 569 | 460 | 26 | 132 | ||||
Packing and Recommended Parameters: (Polarity:DC+)
| Diameter | Spool | Drum | ||||
| mm/in | Current range(A) | 0.9kg(2 lbs) | 5kg (11 lbs) | 15kg(33 lbs) | 250kg(551 lbs) | 350kg(771lbs) |
| 0.8(0.030) | 80-220 | √ | √ | √ | √ | |
| 0.9(0.035) | 80-220 | √ | √ | √ | √ | |
| 1.0(0.040) | 100-250 | √ | √ | √ | √ | |
| 1.2(0.045) | 140-350 | √ | √ | √ | √ | √ |
| 1.4(0.052) | 180-370 | √ | √ | √ | ||
| 1.6(1/16) | 200-400 | √ | √ | √ | ||
| 2.0(5/64) | 200-500 | √ | √ | |||
Welding position：
Shielding Gas：
CO₂
Points for Attention：
1. Preheat and interpass temperature: 135~165°C.
2. Shielding gas flow rate 15-25 L/min.
3. Remove the oil, dust and rust from the welding parts.
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