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NITRONIC® 60W (UNS S21880)
ER218 Bare Wire Click for NITRONIC® 60 (UNS S21800)

NITRONIC® 60W Datasheet

Cr 17.2, Mn 8.2, Ni 8.6, Si 3.9, N 0.12, C 0.07, Fe Bal.,
P 0.03, S 0.02, Cu 0.75 max, Mo 0.75 max

High Performance Alloys stocks and produces this grade in the following forms: Weld Wire Request quote on this grade.

 

  1. Download Nitronic® 60W Brochure 545 KB PDF
  2. Download FDA statement concerning the use of stainless steels as food contact surfaces of equipment. 154 KB PDF

 

SPECIFICATION:

AWS 5.9 Class ER218 / ASME SFA 5.9 Class ER218

 

CLASSIFICATION:

ER218 / UNS S21880

 

DESCRIPTION / APPLICATION:

  • ER218 is most often used to weld Nitronic® 60 base metal. REF ASTM A276, ASTM A240, AMS 5848, ASTM 479, and ASTM 193/194.
  • This filler metal can also be used in welding dissimilar alloys like mild steel and the stainless steels, and also for direct overlay on mild steel for corrosion applications when used with the gas metal arc welding process.
  • ER218 is a nitrogen strengthened, high manganese-silicon austenitic stainless steel exhibiting high strength and good toughness over a wide range of temperatures.
  • Weldments in the as-welded condition made by using this filler metal provide one of the best combinations of strength and ductility when subjected to carbide precipitation.
  • Applications include fasteners, engine valves, shear pins, bushings, shafts and other areas where galling resistance is required.

 

TYPICAL CHEMISTRY:

CCrNiMoMnSiPSNFeCu
0.0717.28.60.75 max8.23.90.030.020.12BAL0.75 max

 

TYPICAL MECHANICAL PROPERTIES:

TENSILE STRENGTH123,000 PSI
YIELD STRENGTH85,000 PSI
ELONGATION MIN.15%
IMPACT STRENGTH50 FT-LBS 73ºF, 10 FT-LBS @-320ºF
AS DEPOSITED HARDNESS25 RC

 

AVAILABLE PACKAGING:

MIG 25 lbs. spool 0.030” Dia, 0.035” Dia, 0.045” Dia, 0.062” Dia

TIG 36” 10lbs. tubes 0.062” Dia, 0.078” Dia, 0.093” Dia, 0.125” Dia, 0.187” Dia

 

TYPICAL WELDING PARAMETERS FOR ER218 (NITRONIC® 60W) WIRE:

 

GMAW (SHORT CIRCUITING MODE):

WIRE DIA.AMPERAGEVOLTAGEWIRE SPEED IN./MIN.JOINT THICKNESS INCHSHIELDING GAS
0.030"
0.035"
70 - 9018 - 24
17 - 20
150 - 2000.050 - 0.18790He/7.5Ar/2.5Co2
69Ar/30He/1Co2
0.045”75 - 16019 - 22
18 - 22
175 - 2250.125 - 0.75075Ar/25He
90He/7.5Ar/2.5Co2
69Ar/30He/1Co2

 

ALL PARAMETERS DIRECT CURRENT REVERSED POLARITY

 

GTAW Parameters same as 300 series stainless steels.

 

The gas tungsten arc, plasma arc, and electron beam processes are not suggested for direct application of this filler metal on mild steel.

 

NOTES:

The weld deposit has little or no ferrite. Care must be taken to avoid hot cracks. This is accomplished by low heat input and making “convex” bead profiles. Excessive weaving may also cause surface (hot short) cracks.

 

NITRONIC® Registered trade name of AK Steel



High Performance Alloys, Inc.
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