SW-EM12K
Hits：72
EM12K
SUBMERGED ARC WELDING WIRE: SW-EM12K
Specification：AWS A5.17 EM12K
ASME/SFA 5.17 EM12K
JIS Z 3351 YS-S3
ISO 14171-A S2Si
ISO 14171-B SU21
GB/T 5293 SU21
Introduction：
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For 490Mpa grade high tensile carbon steel .
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Low S and P content minimizes weld sensitivity to hot cracking and ensures high low-temperature impact toughness.
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Well weldability: stable arc, easy slag removal,neat weld bead.
Application：
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Bridges
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Ship building
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Steel Structure
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Pressure Vessel
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Offshore engineering
Pass the certification：
ABS、CE、JIS
Chemical Composition of Wire %：
| C | Mn | Si | P | S | Ni | Cr | Mo | Cu | |
| AWS | 0.07-0.15 | 0.80-1.25 | 0.15-0.35 | ≤0.025 | ≤0.025 | ≤0.15 | ≤0.15 | ≤0.15 | ≤0.30 |
| TR(HC) | 0.1 | 1.00 | 0.23 | 0.014 | 0.007 | 0.02 | 0.04 | 0.01 | 0.07 |
Mechanical Properties of Deposited Metal：
| Tensile Strength | Yield Strength | Elongation | Impact Value | |||||
| Mpa | Mpa | % | -20℃ J | |||||
| TR(HC) | 550 | 450 | 30 | 65 | ||||
Diameter/Packing：
| Diameter | Hollow Coil | Drum | Spool | Basket | |||||||
| mm/in | 25kg(55lbs) | 50kg(110lbs) | 60Kg(132lbs) | 100Kg(220lbs) | 150Kg(330lbs) | 250Kg(550lbs) | 350Kg(770lbs) | 250Kg(550lbs) | 350Kg(770lbs) | 20Kg(44lbs) | 25kg(55lbs) |
| 1.0(0.040) | √ | √ | |||||||||
| 1.2(0.045) | √ | √ | |||||||||
| 1.4(0.052) | √ | √ | |||||||||
| 1.6(1/16) | √ | √ | √ | √ | √ | √ | |||||
| 2.0(5/64) | √ | √ | √ | ||||||||
| 2.4(3/32) | √ | √ | √ | √ | √ | √ | √ | √ | |||
| 3.0(0.118) | √ | √ | √ | √ | √ | √ | √ | √ | |||
| 3.2(1/8) | √ | √ | √ | √ | √ | √ | √ | √ | |||
| 4.0(5/32) | √ | √ | √ | √ | √ | √ | √ | √ | |||
| 4.8(3/16) | √ | √ | √ | √ | √ | √ | √ | √ | |||
| 5.0(0.197) | √ | √ | √ | √ | √ | √ | √ | √ | |||
| 6.0(15/64) | √ | √ | √ | √ | |||||||
| 6.4(1/14) | √ | √ | √ | √ | |||||||
Welding position：PA
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Points for Attention：
1. The flux must be baked in a temperature of 300℃~350℃ for 1-2 hours.
2. Remove the oil, dust and rust from the welding parts
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