June 2021 Newsletter

Large Diameter Hardfacing Wires - Ideal for applications where maximum deposit rates are required

Hardfacing operations tend to standardize on one size wire for every application. This helps prevent confusion for the operator and minimizes inventory of welding tips, lines, and accessories. Smaller welding wires are attractive to operators because it is easier to control the weld deposit and they require less heat input. However, they can hinder deposition rate and travel speeds. When hardfacing thicker material the lower heat input can cause lack of fusion to the base metal.

Why switch to a larger diameter hardfacing wire? The need to increase production! The hardfacing operation is requiring higher deposition rates and faster travel speeds to meet production requirements. Large diameter wire is generally more alloy rich than smaller diameter wire.

Larger diameter wires are primarily metal-cored and flux-cored wires, (tubular metal sheath wrapped around a formula of metal powders). These wires require less heat input then solid core wires and provide a wider arc.

There are factors to keep in mind when switching to large diameter wire.

Each large diameter wire has recommended welding parameters which should be followed to maximize the hardfacing application.

POSTALLOY® Large Diameter Hardfacing Products

DuraHard™2825NC-MCG 5/64” Non-cracking martensitic alloy

DuraHard™2828NCTi-FCO 3/32”, 7/64” Flux-cored, Martensitic alloy with Titanium carbides

DuraHard™PS135-MCO 7/64”, 1/8” High hardness multi-carbide alloy

DuraHard™PS156N-FCO 7/64”, 1/8” Flux-cored, Non-cracking martensitic tool steel

DuraHard™PS158Ti-FCO 7/64”, 1/8” Flux-cored, Non-cracking alloy with Titanium carbides

DuraChrome™PS133-MCO 7/64”, 1/8” Chromium carbide overlay

DuraChrome™PS137-MCO 7/64”, 1/8” Chromium carbides in an austenitic mix

DuraChrome™2832-MCO 3/32”, 7/64” Premium chrome carbide

DuraChrome™2820-MCO 3/32”, 7/64” Chromium carbide for high impact combined with abrasion

DuraChrome™2818-MCO 7/64” Chromium carbide for high impact combined with abrasion

DuraMang™2865-FCO 7/64” Flux-cored, open arc austenitic chromium-manganese weld alloy

DuraBuild™2890-FCO 7/64” Flux-cored build-up wire applied to carbon and low alloy steel

Industries Applications

Dredging Overlay Plate

Mines/Quarries Coal Pulverizer Rolls

Cement Crusher Rolls

Ceramic Shredders

Construction Crusher hammers, Asphalt mixer blades

Agriculture Tools, shears, plow blades

Oil and Gas Drill pipe

North/South/Central America, Asia, Africa, and Australia

Mike Korba; mkorba@postle.com

+1 216-265-9000

5500 West 164th / Cleveland, Ohio 44142

Europe/Russia/Middle East

Colin Duff; colin.duff@hardbandingsolutions.com

+44 1294 446017

North Ayrshire, Scotland KA12 8LN