• MAXFIL- 71A1 - E71T1-A1C/M
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Low Alloy Steel Wire

MAXFIL 71A1

AWS: SFA 5.29 E71T1-A1C/M

EN ISO CODE: 17632-B T493T1-1CA 2M3

Maxfil-71A1 is an all position low alloy steel flux cored wire designed for welding of 0.5% Molybdenum and 1% Chromium and 0.5% Molybdenum steels. The wire gives optimum performance under both 100% CO2 and 80%Ar:20%CO2 gas shielding with radiographic quality weld deposits. The wire produces full slag covering. Slag detachability is very good and is of fast freezing nature.

Maxfil-71A1 is designed for single and multi-pass welding of similar composition steels and equivalent grade steels like; Gr. F1 of SA-182 and SA-336, Gr. A of SA-204, Gr. T1/T1a/T1b of SA-209, Gr. WC1 of SA-217, Gr. A of SA-302, Gr. P1 of SA-335, Class 1 of A grade of SA-533, etc.

Approvals
CE
CHEMICAL COMPOSITION OF ALL WELD METAL (%)

 

Element C Mn Si S P Mo
Range 0.12 1.25 0.80 0.030 0.030 0.40-0.65
Typical (CO2) 0.060 1.18 0.45 0.012 0.018 0.52
Typical (Ar+CO2) 0.060 1.22 0.50 0.012 0.016 0.51

 

MECHANICAL PROPERTIES OF ALL WELD METAL


 

Property UTS YS El CNV Impact (Joules)
  (MPa) (MPa) (L= 4d)% at -30°C
Range 490-620 400 Min 20.0 Min 27 Min
SR : 620°C/1Hr (CO2) 528 440 24.0 40
SR : 620°C/1Hr (Ar+CO2) 561 458 24.8 52

 

WELDING PARAMETER: DC (+)

 

Diameter (mm) Horizontal/ Flat Horizontal/ Flat  Vertical UP Vertical UP Overhead Overhead
  Volt, V Current, A Volt, V Current, A Volt, V Current, A
1.20 24-28 160-260 20-26 100-180 22-28 100-180
1.60 24-28 180-300 20-26 110-200 22-28 110-200
PACKING

 

STANDARD SIZE :   1.20 & 1.60mm. Other diameters may be available on request.

QUANTITY :   Supplied approximately 15Kgs in a plastic spool. Each spool is sealed in an air tight polythene bag and then packed in a corrugated box.

SHIELDING GAS

 

Carbon Dioxide CO2 (100%) / Argon + CO2 (80:20%) at flow rate 12-15 litres per minute.

WELDING POSITIONS

 

H, F, VU, OH

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