SJ-50
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ER70S-6
Low Carbon and High Strength Steel SJ-50
Specification：AWS A5.18 ER70S-6
JIS Z3312 YGW12
GB/T8110-2008 ER50-6
ISO 14341-A-G 424C1/M21 3Si1
DIN8559 SG2
Introduction：
ER70S-6 is suitable for all-position welding and high current welding.
Smooth feeding, stable arc, and beautiful weld bead appearance, low spatter,has excellent welding performance.
The deposited metal has good mechanical properties.
Application：
Vehicles
Shipbulding
Bridges
Constructions
Pressure Vessels
Pipelines
Pass the certification：
JIS、 CE 、ABS、 NK、 LR 、BV 、DNV 、DB、 VdTUV 、CWB
Chemical Composition of Wire %
| C | Mn | Si | P | S | Cu | |
| AWS | 0.06-0.15 | 1.40-1.85 | 0.80-1.15 | ≤0.025 | ≤0.035 | ≤0.30 |
| TR(HC) | 0.07 | 1.48 | 0.89 | 0.014 | 0.009 | 0.10 |
Mechanical Properties of Deposited Metal
| Tensile Strength | Yield Strength | Elongation | Impact Value | |||||
| Mpa | Mpa | % | -30℃ J | |||||
| TR(HC) | 555 | 449 | 27 | 89 | ||||
Packing and Recommended Parameters:(DC+)
| Diameter | Spool | Drum | ||||||
| mm/in | Current range(A) | 0.9kg(2 lbs) | 5kg (11 lbs) | 15kg(33 lbs) | 20kg(44 lbs) | 250kg(551 lbs) | 350kg(771lbs) | 400kg(881 lbs) |
| 0.6(0.023) | 80-180 | √ | √ | √ | √ | |||
| 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：
75%~80%Ar+CO₂
or：
CO₂
Points for Attention：
1.Gas Flow Rate: 20~25 L/min.
2.Contact Tip-to-Work Distance (CTWD): 15~25 mm.
3.Removal of rust, moisture, oil, dust, and others from the welding area.
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