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Postalloy®
206HD
Description
POSTALLOY® 206HD is a high chromium-nickel-moly alloy electrode that produces deposits with excellent strength and elongation, combined with a high degree of toughness. Weld deposits work-harden in service and provide outstanding impact resistance. The austenitic structure of the weld deposit provides very good corrosion resistance. It's versatility allows it to be used for joining, as well as a cushion layer prior to hardfacing with a harder, more wear resistant alloy. Use on carbon and alloy steels, stainless and joining dissimilar combinations.
Specifications
Product Type
Flux-coated Electrode: High chromium-nickel-moly alloy electrode
Also available as a semi-automatic wire - POSTALLOY® 2866-FCO.

Weld Deposit Properties
Tensile Strength  
100,000 psi
Yield Strength  
78,000 psi
Elongation  
25%
Hardness as deposited  
100-150Rb
Work-hardens:  
30-35Rc
Deposits cannot be flame-cut  
Deposits are machinable  

Applications
Rebuilding under carriage components
Impactors
Sprockets
Weld in wear plate
Gear teeth
Cushion layer for hardfacing alloys
Sheaves

POSTALLOY® 206HD    Welding Parameters
 
Current: AC or DC Reverse
Diameter Amps
1/8" (3.1mm)90-130
5/32" (4.0mm)125-160
3/16" (4.8mm)150-225

Welding ProcedureClean weld area. Maintain a short to medium arc. Direct the arc on deposited weld metal depositing 3 to 4 inches at a time (75mm-100mm). Skip welding is advisable on large parts. Peening while hot helps shape the deposit and reduce stress. Cool slowly.
Packaging Options
Diameter
Standard Packaging
1/8" (3.1mm)
Resealable Plastic Box
5/32" (4.0mm)
Resealable Plastic Box
3/16" (4.8mm)
Resealable Plastic Box