Characteristics .- Postalloy 285 is a high carbon, high alloy austenitic manganese  welding alloy for joining and build-up or overlaying. Produces high strength, crack resistant deposits that are tough, ductile and work-harden rapidly under repeated impact. Unlike common manganese alloys, which should not be used for welding plain carbon steel, Postalloy 285 can be used with full confidence to build-up or join manganese steels, as well as manganese to carbon and low alloy steels. Postalloy 285  produces a fully austenitic non-cracking weld deposit no matter the dilution rate or the alloy type.

Specifications :
Wire Type: Available as a Gas Shielded Metal Core or a Flux-Cored Open Arc wire.

Tensile Strength: 135 ksi

Yield Strength : 90 ksi

Elongation: 30%

Hardness :
As deposited: 20 Rc
Work-hardened: 50 - 55 Rc

Deposits can be flame-cut
Deposits are non-machinable

Standard Sizes 
.045"(1.2mm) 
1/16"(1.6mm)

Alternative Welding Electrode:
 Postalloy 207

Characteristics-  Postalloy 2850-FCO is a work-hardening austenitic manganese steel flux-cored wire alloyed with chromium and nickel to improve weld deposit properties. It is designed for build-up and fabricating of manganese steel. Deposits are very tough, and work-harden rapidly in-service under high impact.

Typical Applications: Build-up of crusher jaws, cones and roll shells, gyratory crusher mantels, hammer mill hammers and impact breaker bars.

Specifications  
Wire Type:
Flux-cored, open-arc

Tensile Strength: 120 ksi

Yield Strength: 75 ksi

Elongation:   45%

Hardness:
As deposited: 15 - 20 Rc
Work-hardened: 50 - 55 Rc.

Can be flame cut
Deposits are non-machinable.

Standard Sizes  :
.045"(1.2mm)
1/16"(1.6mm)
7/64"(2.8mm) 

Alternative Welding Electrode:
Postalloy 205

Postalloy 2865-FCO

Characteristics-   Postalloy 2865-FCO is a high alloy, work-hardening austenitic manganese steel flux-cored, open-arc hardfacing alloy. It can be used equally well for joining and build-up/surfacing of carbon, low alloy and manganese steels. Weld deposits made with Postalloy 2865-FCO are a modified chromium-manganese chemistry providing an excellent combination of weld metal strength and ductility. Work-hardens rapidly under repeated impact. The yield strength is higher than ordinary manganese alloys providing greater resistance to mushrooming when subjected to compressive loads and repeated impact. Ideal as a cushioning or buffer layer on manganese steel parts that will be repeatedly rebuilt. Since it will not embrittle until 1000ºF(538ºC), it will act as an insulator to the manganese base metal in helping it keep below 500ºF(260ºC) during the welding operation.

Typical Applications : 
Fabricating manganese steels, manganese to mild or low alloy steels, other dissimilar combinations. Build-up and overlay of railroad crossovers and frogs. Gyratory crusher mantles, crusher rolls and jaws, cone and roll shells, hammer mill hammers, pulverizing hammers, dragline and power shovel bucket lips and teeth, sizing screens, grizzly bars, steel mill wobblers

Specifications  
Wire Type:
Flux-cored Open-arc. 

Tensile Strength: 122 ksi

Yield Strength: 80 ksi

Elongation:   40% 

Hardness:
As deposited: 20 Rc
Work-hardened: 50 - 55 Rc

Deposits cannot be flame-cut
Machinability: Poor

Standard Sizes
.045"(1.2mm)
1/16"(1.6mm)
7/64"(2.8mm)

Alternative Welding Electrode:
Postalloy 207