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Postalloy®
Description - Crack Free Titanium Enriched Hardface Alloy

POSTALLOY® 2828T-FCO is a non-cracking flux-cored, open-arc hardfacing wire that deposits a martensitic alloy with a high volume of finely dispersed Titanium Carbides (TiC). It has excellent abrasion resistance under low and high stress conditions and retains hardness at high temperatures. Crack-free deposits are possible with proper procedures. Use on carbon and low alloy steels.

• Excellent welding characteristics..
• Multiple layers maintain their hardness and abrasion resistance..
•Produces full slag coverage that does not require removal between passes. Slag is easily removed with a chipping hammer.
• Deposits are crack-free even after multiple layers.

Specifications
Product Type

Wire: Flux-cored, open-arc

**RCT™ Reactive Core Technology improves weldability and optimizes wear properties. Learn more.


Weld Deposit Properties
Average Hardness  
57-60Rc
Good Hot-hardness  
up to 1100° F (593°C)
Maximum overlay   
Unlimited layers with proper procedures, including preheat and interpass temperatures
Non-Machinable  
Must be ground
Cannot be flame-cut  

Applications

Cement rolls
Hardbanding drill pipes
Hammers
Bucket pins
Shredder & Fibrizer hammers

Bucket teeth and lips
Tillage implements
Augers
Asphalt mixer paddles


POSTALLOY® 2828T-FCO    Welding Parameters
 
Current: Use DC Reverse Polarity (DCEP)
Diameter Amps Volts Stick Out
3/32" (2.4mm)280-34026-301"-1½"(25-38mm)
1/16" (1.6mm)210-25026-291"- 1 1/4 " (25-32mm)
7/64" (2.8mm)325-50026-301"- 1 1/2 " (25-38mm)

Welding Procedure

Out of position welding is limited to horizontal stringers. Preheats and Inter-pass temperatures should be based on base metal chemistry.

Packaging Options
Diameter
Standard Packaging
3/32" (2.4mm)
55 lb spool
1/16" (1.6mm)
25 lb spool
7/64" (2.8mm)
55 lb spool