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Welding process:
G – in shielding gas |
Wire diameter, mm |
Recommended shielding gases and fluxes |
|
G |
1,2-2,6 |
|
Purpose and scope
Предназначена для механизированной сварки металлоконструкций из малоуглеродистых сталей по ГОСТ 380 и низколегированных сталей по ГОСТ 19281, втом числе эксплуатации при низких температурах. Применяется также для заварки дефектов литья из углеродистых и легированных конструкционных сталейм (15Л - 35Л, 20ГЛ, 20ГСЛ, 20Г1ФЛ, 30ГСЛ, 35ГЛ и др. им подобных) по ГОСТ 977. Типичные объекты применения: строительные металлоконструкции, транспортное машиностроение, узлы дорожных и строительных машин, элементов грузоподъемных устройств и т.п.
Welding and technological properties
-
Arc Stability - consistent and stable arc behavior, good weld bead appearance.
-
Slag completely covers the weld bead, and easy to remove slag. High crack and pore resistance.
-
Shielding gas.: 100% CO2
Welding technology
-
Welding in the lower position is performed at the location of the wire perpendicular to the weld bead or tilt «angle back».
-
It is possible to weld multi-layer welds without removing slag when making 3 layers.
-
Use DC reverse polarity.
Deposit composition (Weld metal), %
| C | Si | Mn | S | P |
| 0.08 | 0.3 | 1.3 | ≤0.03 | ≤0.03 |
_
Welding Alloys Analog
| Brand of the wire |
Distance, % |
virobnik | C | Mn | Si |
| ROBOFIL B 71 (56) | 0.15 | Welding Alloys | 0.06 | 1.4 | 0.4 |
| ROBOFIL R 71+ (52) | 0.15 | Welding Alloys | 0.04 | 1.2 | 0.4 |
| ROBOFIL KX71T1+ (53) | 0.21 | Welding Alloys | 0.05 | 1.3 | 0.5 |
| ROBOFIL M 71 (55) | 0.23 | Welding Alloys | 0.07 | 1.4 | 0.5 |
| ROBOFIL M 70 (54) | 0.41 | Welding Alloys | 0.05 | 1.5 | 0.65 |
Typical mechanical properties of the weld metal
|
Ultimate tensile strength, MPa |
Yield Strength, MPa |
Elongation (l = 5×d), % |
Impact strength, KCV, J/cm2 at T °C |
|
minimum
|
+20°
|
-20°
|
-40°
|
|
520 |
460 |
22 |
≥80 |
- |
≥35 |
Modes of the welding process
|
Wire diameter, mm
|
Current, A
|
Voltage, V
|
Wire overhang, mm
|
Gas consumption
CO2,
л/мин
|
|
1,2-1,4
|
80-300
|
20-28
|
15-20
|
5-14
|
|
1,6-1,8
|
120-350
|
22-32
|
15-25
|
5-16
|
|
2,0-2,2
|
150-400
|
24-34
|
15-25
|
6-18
|
|
2,5*
|
200-500
|
26-36
|
15-30
|
8-20
|
Weld Positions
Ø 1,2-1,8 мм:
Ø 2,0-2,2 мм:
Ø 2,5 мм:
Delivery type (More)
| Wire diameter, mm
| Cardboard barrel |
Molded skeins of frameless type |
Frame drum (B) |
Coil (S), (BS) |
| Hank in the corrugation box |
Metallic barrel |
| To 100
kg |
To 150
kg |
To 300
kg |
To 30 kg |
To 70 kg |
To 25 kg |
To 15 kg |
| 1.2 | X |
X |
X |
X |
X |
X |
X |
| 1.6 | X |
X |
X |
X |
X |
X |
X |
| 2.0 | X |
X |
X |
X |
X |
X |
X |
| 2.4 | X |
X |
X |
X |
X |
X |
X |
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