Postalloy® 2998-SA

Postalloy® 2998-SA is a martensitic submerged-arc tool steel alloy with Chromium, Molybdenum, Carbon, Manganese, Silicon, and Iron. Provides good low stress abrasion resistance with high compressive strength, as well as good metal- to-metal wear resistance. Deposits are heat-treatable. For use on carbon and alloy steels.

Specifications

Product Type

  • Submerged Arc Wire

Applications

  • Cable sheaves
  • Bed knives
  • Steel mill rollers and other forming rolls
  • Crane wheels
  • Forging dies

Weld Deposit Properties

Hardness::
2 and 3 layers 48-54Rc
Preheat may be required for certain low alloy, higher carbon steels
Crack-free deposits can be made with proper procedure
Machinable:
No. Grinding only.

Welding Parameters

Current Type : DC Electrode Positive

Volts Amps Diameter Stick Out
26-30 400-500 1/8" (3.2mm) 11⁄4"-11⁄2"(33-38mm)
29-32 425-540 5/32" (4.0mm) 11⁄4"-13⁄4"(33-45mm)

Welding Procedure:

Flux: Neutral

Position: Flat

Packaging Options

Diameter Standard Packaging
1/8" (3.2mm) 500 lb (226.80 kg) drum
5/32" (4.0mm) 500 lb (226.80 kg) drum