Wear-resistant surfacing cored wire for spiral conveyor blades

Grade

Corresponding Electrode Model

Hardness of Overlay

HRC

Characteristics and Main Applications

HB-YD172(Q)

D172

≥40

Used for overlaying worn parts such as gears, dredge buckets, and mining machinery.

HB-YD207(Q)

D207

≥50

Used for overlaying worn parts like bulldozer blades and propellers.

HB-YD212(Q)

D212

≥50

High hardness overlay at room temperature, used for overlaying worn surfaces of excavator buckets, mining machinery, etc.

HB-YD256(Q)

D256

HB≥170

High manganese steel overlay, suitable for overlaying impact-worn parts such as crushers.

HB-YD322(Q)

D322

≥55

Used for overlaying various dies and cutting tools, and for repairing mechanical parts requiring high wear resistance.

HB-YD327A(Q)

≥55

Specifically used for mold overlaying, with wear resistance higher than D322.

HB-YD337(Q)

D337

≥48

Used for overlaying forging dies on cast or forged steel.

HB-YD397(Q)

D397

≥40

Used for overlaying hot forging dies made of cast or forged steel blanks, or for overlaying high-strength wear-resistant parts.

HB-YD405A(Q)

52-59

Used for overlaying hot rolling mill breakdown rolls.

HB-YD430A(Q)

20-35

Used for backing welding.

HB-YD488A(Q)

45-50

Used for roll overlaying.

HB-YD507MoA(Q)

35-45

Used for valves.