Product Catalog

E71T9-APEX


Alloy Type:

E71T9-APEX is a gas shielding flux-cored wire for 490MPa high strength steel, can use both CO2 and 75-80%Ar+20-25% CO2 shielding gas.  Outstanding all position weldability, few spatter, soft and stable arc, thin slag, easy slag removal, great penetration, high x-ray passing rate.

Typical Applications:    Suitable for welding in shipbuilding, off-shore platform, steel structure, boiler and engineering machinery.

AWS Class: E71T-9C/9M

 

Certification:

A5.20 E71T-9C/9M

AWS A5.20M

 

Welding Position:

F, V, OH, H

Current:

DCEP

 

Typical Chemical Composition of Weld Metal (single values are maximum)

Alloy wt% C Mn Si Cr Ni Mo P S V
AWS 0.120 1.75 0.90 0.20 0.50 0.30 0.030 0.030 0.08
CO2 0.045 1.15 0.40 0.02 0.01 0.01 0.013 0.005 0.01
Mixed 0.050 1.20 0.45 0.02 0.01 0.01 0.012 0.005 0.01

 

Typical Mechanical Properties of Weld Metal (single values are maximum)

Mechanical Property Y.S (MPa) T.S. (MPa) El(%) CVN (J/°C)
AWS 390 490-670 22 27/-30
Co2 490 560 26 60/-30
Mixed 520 585 28 80/-30

 

Sizes Available and Recommended Parameters

Dia/mm 1.2 1.4 1.6
Volt 23-34 24-42 25-46
Amp 150-320 170-400 200-450
Stick-out (mm) 15-20 15-20 18-25
Gas flow (l/min) 20-25 20-25 15-25
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