Aluminum 4047


INTRODUCTION

Aufhauser Aluminum 4047 was originally developed as a brazing alloy (BAlSi-4 or 718) to take advantage of its low melting point and narrow freezing range. In addition, it has a higher silicon content than AL4043, which provides for increased fluidity and reduced shrinkage. The alloy produces bright and almost smut free welds. Hot cracking is significantly reduced when AL4047 is used as a filler alloy. The alloy may be used in applications of sustained elevated temperatures.

 

APPLICATIONS

  • Welding filler wire

 

GENERAL INFORMATION

  • Non-Heat treatable
  • Principle alloying element: Silicon
  • ISO designation: AlSi5

 

Chemical Composition
Silicon Iron Copper Beryllium Manganese Magnesium Zinc Each Total
Others
Aluminum
11.0-13.0 0.8 0.30 0.0008 0.15 0.10 0.20 0.05 0.15 Remainder

 

PHYSICAL and MECHANICAL PROPERTIES
Melting Range 1070-1080°F (577-582°C)
Density at 68°F 0.096 lbs./in³
Conductivity: 41% IACS(-O)
Resistance to Corrosion B (Gen) A (SCC)
Anodize Color Gray-Black

 

SPECIFICATIONS MEET OR EXCEED
ANSI/AWS A5.10 (ER & R 4047)
AMS 4185

 

STANDARD SIZES AND DIAMETERS
Diameters (inches) Package Form
0.030, 0.035, 3/64, 1/16, 3/32, 1/8 4 & 12 in. Spools
1/16, 3/32, 1/8, 5/32, 3/16, 1/4 Straight lengths

 

TYPICAL MECHANICAL PROPERTIES OF GTAW GROOVE JOINT WELDS
  BASE ALLOY AS WELDED POST WELD HEAT TREAT AND AGE¹
BASE ALLOY UTS (KSI) UYS (KSI) ELONG (%) UTS (KSI) UYS (KSI) ELONG (%) UTS (KSI) UYS (KSI) ELONG (%)
2014-T6 70 60 13 34 28 4 50 -- 2
6061-T4 35 21 22 27 18 8 35² -- 8²
6061-T6 45 40 12 27 18 8 44 40 5
6063-T4 25 22 22 20 10 12 30 -- 13

(1) Requires sufficient dilution of base metal into weld pool for heat treat and/or age response. Refer to Alloy 4643 data sheet for additional information. (2) Post weld aged only.

 

TYPICAL GMAW PARAMETERS
Wire diameter Range Base material thickness Suggested Wire feed Gas flow Consumption
100 ft of weld
INCHES AMPS VOLTS INCHES AMPS VOLTS IPM CFH POUNDS
0.030 60-170 13-24 0.062 90 22 260 25 1.5
      0.094 110 23 320   1.8
      0.125 130 23 380   2
      0.187 150 24 430   4
      0.250 175 24 510   6
0.035 70-180 15-26 0.062 90 23 250 35 1.5
      0.125 130 24 360   2
      0.250 170 25 470   6
0.047 140-260 20-29 0.094 110 25 215 45 1.8
      0.125 150 26 290   2
      0.250 190 26 370   6
      0.375 220 27 430   16
0.062 190-350 25-30 0.250 200 26 190 55 6
      0.375 230 27 215   16
      0.500 260 28 240   30
      0.750 280 29 261   50
      1.000 300 30 280   105
0.094 280-400 26-31 0.500 280 28 170 65 30
      0.750 290 29 175   50
      >1.000 300 30 180   150+

NOTE: Parameters based on flat position, groove joint, backing strip, and 100% argon gas.

 

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Contact Us

  • Address:
    Aufhauser Corporation
    39 West Mall, Plainview, NY 11803 USA

  • Phone: +1-212-246-0205

  • Email: sales @ brazing.com