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Product Reference View detailed information about Postalloy® Hardfacing Products
POSTALLOY®
PS-9 and PS-10
Description
Stabilizers
Stabilizers
POSTALLOY® PS-9 & PS-10 are tungsten carbide, nickel base hardfacing wires designed to resist severe abrasion but unlike traditional tungsten carbide wires, they absorb more impact without fracturing. These alloys can be applied crack-free with the proper welding procedures. These alloys are great for parts that are repeatedly hardfaced and are prone to spalling. Because of the unique chemistry, Tungsten-Carbide-Nickel-Chromium-Silicon-Boron, they also have excellent resistance to erosive wear, frictional wear, corrosive wear, and maintain their hardness, even at temperatures of 1100°F (593°C). Weld deposits contain over 50% fully fused, pre-alloyed carbides. The alloying elements in these wires produce a high hardness alloy that encapsulates and protects the carbide particles, reducing premature wear caused by erosion next to the carbide particles. POSTALLOY® PS-9 & PS-10 have very good weldability and a very soft arc, this, in combination with the nickel matrix, reduces weld dilution and carbide dilution to produce truly outstanding multi-wear wires. POSTALLOY® PS-9 is softer, 40-45Rc, with a tougher matrix than PS-10 for applications that require more toughness. It has the same carbide hardness and concentration as PS-10.
Specifications
Product Type
Tungsten Carbide Wire: Metal-cored, Gas-shielded
Deposits are slag-free.

Weld Deposit Properties
Ave Weld Deposit Hardness PS-9
40-45Rc
Ave Weld Deposit Hardness PS-10
50-55Rc
Ave Hardness Tungsten carbide
2400 HV (70 Rc+)
Deposit Thickness
2 layers maximum
Weld deposits cannot be flame-cut
Can be applied crack-free with proper welding procedure

Applications
Processing equipment
Mixer blades
Feed screws
Oil and gas drilling
Down hole tools
Stabilizers
Dredging equipment
Cutter heads
Shredding
Hammers
Wear rings
PS-10 for Stabilizers

POSTALLOY® PS-9 and PS-10    Welding Parameters
Current: DC Reverse Polarity
Diameter
Amps
Volts
Stick Out
1/16" (1.6mm)
160-180
21-23
1/2"(12.5mm)

Welding Procedure
Preferred Shielding Gas: 100% Argon
It is highly recommended that the gun and cable length be 8 to 10 feet.
Drive rolls should be designed for 1/16" (1.6mm) wire.


Packaging Options
Diameter
Standard Packaging
1/16" (1.6mm)
25 lb spool