AWS EM12 SAW wire
Submerged arc welding wire
Submerged arc welding wire AWS EM12, is a kind of medium-manganese and medium-silicon type welding wire. It matches with medium-manganese and medium-silicon type welding flux. It is not sensitive to the rust on the base metal. It has excellent bead molding and slag detachability. The wire can be applied single or dual feeding with AC/DC.
AWS EM12
Application
Submerged arc welding wire AWS EM12 can be applied both for high-speed welding steel plate of tensile strength 420N/mm2 and filling welding
Chemical Composition (%)
Reference Current (DC+)
Welding Positions:
Notes:
1. Shielding gas: Adopt pure Argon gas. Recommendation flow rate: 9-14L/min (AMP 100-200A), 14-18L/min (AMP 200-300A).
2. Tungsten extension: 3-5mm, Arc length: 1-3mm.
3. Wind speed limited: ≤1.0m/s.
Argon gas shielding on back side of welding part will get better welding result.
4. Mechanic property and metal anti-cracking ability of the welded metal relative by energy pass value on the wire.
5. The welding should be operated in clean surface without rust, moist, oil contamination and dust.The above suggestions are for reference purpose. Evaluate and determine the situation of the scene before starting the wielding process.
Mechanical Properties
|
Chemical Composition
|
C
|
Mn
|
Si
|
S
|
P
|
Cr
|
Ni
|
Cu
|
|
Guarantee Value
|
≦0.10
|
0.80~1.10
|
≦0.07
|
≦0.030
|
≦0.030
|
≦0.20
|
≦0.30
|
≦0.35
|
|
General Result
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0.066
|
0.96
|
0.038
|
0.007
|
0.010
|
0.027
|
0.011
|
0.110
|
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Rm(N/mm2)
|
Rel/Rp0.2(N/mm2)
|
A (%)
|
KV2(J)-40℃
|
|
SJ101
|
415~550
|
≧330
|
≧22
|
≧27
|
|
Diameter
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
