JQ.YD212-1 Gas-shielded Solid Welding Wire

JQ.YD212-1 Gas-shielded Solid Welding Wire

JQ.YD212-1
GB：
AWS：
Current：Suitable for the situation of impact-resistance and medium wear. Used for single layer or multi-layer surfacing welding and repairing of the surfaces of all kinds of worn-out parts, such as gears, dredge buckets, mining machinery, etc.
Main Applications：

JQ.YD212-1


Introduction: It is a kind of titania type CO2 gas-shielded flux-cored welding wire used for surfacing welding. JQ.YD212-1 is a kind of CrMo type CO2 gas-shielded flux-cored welding wire used for surfacing welding. It has stable arc in surfacing welding and good slag detachability.


Uses: Suitable for the situation of impact-resistance and medium wear. Used for single layer or multi-layer surfacing welding and repairing of the surfaces of all kinds of worn-out parts, such as gears, dredge buckets, mining machinery, etc.


Chemical Composition of Deposited Metal (%)(CO2Shielding Gas)
Chemical Composition
C
Mo
Cr
Guarantee Value
0.30~0.60
≤4.00
≤5.00

Hardness of Surfacing Layer: HRC≥50

Reference Current (DC+)
Wire Size(mm) Welding Current(A) Voltage(V) CO2 Flow Rate(L/min)
φ1.2、φ1.4、φ1.6 220 26 20～25

Instructions:
1.The oil stains and rust on the weldments should be cleared away.
2.When welding, the gas flow rate is generally 20～25L/min.
3.When welding with flux-cored welding wires, the extension elongation should be 15～25mm.
4.Large work pieces should be appropriately preheated to about 300℃ before surfacing welding.
5.The humidity of the welding wire storerooms should be preserved below 60%.
6.It is not suitable for non-vacuum-packed welding wires to be stored for more than half a year, and it is not suitable for vacuum-packed welding wires to be stored for more than a year.

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