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5556 Aluminum MIG Welding Wire

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ER5556 aluminum MIG welding wire
 
ER5556 aluminum magnesium welding wire with higher than 5% mg and high manganese content, has high strength, good corrosion resistance and thermal cracking resistance. After the welding of the welding seam is still white, it can provide a good color for the welded joint.


 
Purpose: for high magnesium (3%Mg) aluminum alloy argon arc welding of filling material.

Physical Property
Density 
kg/dm3
Melting temperature ℃ Thermal conductivity
 w/m•K
Linear expansion coefficient
 10¯6/K(20-100℃)
Electric conductivity
 % IACS
2.65 572-633 116 23.9 29

Weld Mechanical Properties (reference value)
Tension Strength(MPa) Yield Strength(MPa) Elongation (%)
280--310 130--140 15--20
ER5556 Aluminium & Aluminium Alloy welding wires
 Classification GB/T 10858-2008    AWS A5.10····· ER5556
Typical composition in % Si···················       <0.25
Fe···················      <0.40
Cu···················      <0.10
Mn·················         0.60—1.00
Mg·················         4.70—5.50
Cr·················          0.05—0.20
Zn···················       <0.20
Be··················           <0.0003
Ti·················            0.05—0.20
Others···············            <0.05
Others Total···········               <0.15
 
Physical properties
(Approx.Values)
 0.2% yield strength Rpo2 (Mpa)····        125
Tensile Strength Rm (Mpa)·····            275
 Elongation A5 (L0=5d0) (%)······      17
Test Temperature (℃)······            20
 
Performance & Usage
This type of pwireuct has good performance in mechanics widely used in 
welding joint with special requirement of higher intensity。
Pwireuct Usage:like engine, electric, power,chemistry, and food etc.
Shielding gas  
Argon, Helium, or Argon/Helium—mixtures.
Dimensions Φ MIG—wires (mm):
0.8 ; 0.9 ; 1.0 ; 1.2 ; 1.6 ; 2.0 ; 2.4
 
TIG —wires(mm):
1.6 ; 2.0 ; 2.4 ; 3.2 ; 4.0 ; 5.0 ; 6.0
wire Packagings Mig wires:
S100/0.5kg 1Lb , S200/2kg , S270-S300/6kg-7kg
Tig wire  :
5/10kg     ·······     length :1000mm



Note:
 
1. The welding wire is not used in the structure of aluminum alloy, which is more than 65 degrees, because in
the above mentioned temperature, the stress corrosion cracking of the welded joints.
 
2. Welding should be strict and clear the edge of the welding of the oxide film and oil, otherwise it will cause
welding seam welding and cause the hole, slag and other defects.
 
3. Welding can be used for holding molten metal plate, in order to ensure the weld forming, and avoid hot crack.








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