Postalloy® DuraHard™ 2953-SA

Postalloy® DuraHard™ 2953-SA is an iron base alloy that deposits weld metal similar in composition and heat treatment to H-12 tool steel. Weld deposits are hard and tough, resistant to abrasion, metal-to-metal wear and high compressive loading. Retains hardness at elevated temperatures. The deposit can be applied crack-free when proper welding procedures are followed.


Product Type

  • Submerged Arc Wire


  • Table rolls
  • Pinch rolls
  • Scale breaker rolls
  • Coiler rolls
  • Leveler rolls and runout table rolls
  • Brake drums and packing glands
  • Cable drums and sheaves

Weld Deposit Properties

Machinable with carbide tools::
Abrasion Resistance::
Impact Resistance::
Compressive Strength::
51Rc - 55Rc

Welding Parameters

Current Type:

Volts Amps Diameter Stick Out
25-29 350-500 3/32" (2.4mm) 11⁄4"-11⁄2"(33-38mm)
26-32 400-500 1/8" (3.2mm) 11⁄4"-11⁄2"(33-38mm)
28-32 450-600 5/32" (4.0mm) 11⁄4"-11⁄2"(33-38mm)

Welding Procedure:

Recommended Flux - Neutral

Hardness after tempering

Packaging Options

Diameter Standard Packaging
3/32" (2.4mm) 500 lb (226.80 kg) drum
1/8" (3.2mm) 500 lb (226.80 kg) drum
5/32" (4.0mm) 500 lb (226.80 kg) drum