SelectAlloy 16-8-2-AP close window
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CLASSIFICATION: None available (meets EC 16-8-2 chemistry requirements of AWS A5.22)

A gas-shielded, flux cored, stainless steel electrode, SelectAlloy 16-8-2-AP is composed of 15.5% chromium, 8.5% nickel and 1.5% molybdenum.

APPLICATIONS:This electrode may be used to weld 16-8-2, 316 and 347 grades of stainless steel in high temperature piping systems. Due to its good hot ductility properties, SelectAlloy 16-8-2-AP is well suited for welding cat crackers, furnace parts and components utilized in the petrochemical, chemical processing and power generation industries.

DIAMETERS: .045", 1/16"

SHIELDING GASES: 100% CO2, 75-80% Ar/20-25% CO2, 40-55 cfh

WELDING POSITIONS: All Positions

CHARACTERISTICS:

  • Outstanding all position performance.
  • Excellent slag peeling minimizes cleanup.
  • Very low spatter.
  • Flat, well washed beads achieved with minimal weaving.
TYPICAL MECHANICAL PROPERTIES
  CO2
Ultimate Tensile Strength (psi) 86,000
Yield Strength (psi) 56,000
Percent Elongation 38

TYPICAL DEPOSIT COMPOSITION
Wt% C Mn Si Ni Cr Mo
98 Ar/2 O2
.02 1.50 .70 8.50 15.50 1.50
Ferrite Number (WRC, 1992) - 3

Typical Welding Parameters (CO2)**
Diameter WFS (ipm) Amperage Voltage ESO (in.) Dep. Rate (lbs/hr)
.045" 250 130 24 5/8-3/4" 5.4
.045" 300 160 26 5/8-3/4" 6.3
.045" 425 200 28 5/8-3/4" 9.2
.045" 780 270 34 5/8-3/4" 16.2
 
1/16" 150 170 25 3/4-1" 5.4
1/16" 195 215 27 3/4-1" 7.0
1/16" 240 250 28 3/4-1" 8.6
1/16" 320 305 29 3/4-1" 11.5

** Optimum conditions are in boldface type. Reduce by 2 volts when using Ar+20-25% CO2.

Select-SAI all position electrodes do not contain bismuth.