Postalloy® DuraChrome™ 2834-MCO
THE BEST "OUT OF POSITION" CHROMIUM CARBIDE HARDFACING ALLOY!!
Postalloy® DuraChrome™ 2834-MCO is a specially formulated chromium carbide alloy developed to produce a superior high polish abrasion resistant deposit in service. The tough alloy matrix combination is designed for high abrasion and moderate impact. Heat resistant to 1000 °F (538 °C). Use on low carbon mild steel, manganese, stainless, and low alloy steels.
- Good out of position capabilities
- Fast freezing weld deposit
- Very good weld bead tie-in
- Ideal for dirty surfaces
- Works well for sugar mill roll teeth (Picote)
Specifications
Product Type
- Metal-cored
- Open-arc
- Gas-shielded
Applications
- Tampers
- Dredge bucket lips
- Dredge pump side plates
- Coal pulverizing hammers
- Grizzley bars
- Dredge cutter head & teeth
- Bulldozer blades
- Crusher rolls
- Shredder & Fibrizer Hammers (Martillo)
- Clamshell bucket lips
- Dragline buckets
- Crusher jaws and cones
- Power shovel buckets and teeth
- Gyrator crusher mantles
- Road rippers and scraper blades
- Muller tires
- Augers
- Sugar mill roll teeth (Picote)
Weld Deposit Properties
- Additional:
- Deposits cannot be flame-cut
- Deposits will check-crack to relieve stresses
- Deposits are slag-free
- Electrode equivalent: Postalloy® 214 or Postalloy® 215HD or 216HD
- **RCT™ Reactive Core Technology improves weldability and optimizes wear properties
- Deposit Thickness:
- 1-3 layers
- Hardness:
- 54Rc - 60Rc
Welding Parameters
Current Type: DC Electrode Positive , DC Electrode Negative
| Volts | Amps | Diameter | Stick Out |
|---|---|---|---|
| 21-27 | 120-140 | .045" (1.2mm) | 3/8"-1/2" (10-12.7mm) |
| 22-28 | 170-300 | 1/16" (1.6mm) | 1"-1 1/4" (25-32mm) |
Welding Procedure:
Out Of Position
Diameter: .045" (1.2mm); Amps: 80-130; Volts: 16-19; Stick-Out: 3/8"-5/8" (10-15.8mm)
Diameter: 1/16" (1.6mm);Amps: 100-140; Volts: 16-20; Stick-Out: 3/8"-5/8" (10-15.8mm)
When welding out of position, lower wire feed speed.
Product Equivalent:
Electrode: Postalloy® 214 Flux-coated Electrode,
Electrode: Postalloy® 215HD Tubular Electrode
Electrode: Postalloy® 216HD Tubular Electrode
Packaging Options
| Diameter | Standard Packaging |
|---|---|
| .045" (1.2mm) | 25 lb (11.30kgs) spool |
| 1/16" (1.6mm) | 25 lb (11.30kgs) spool |