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HH-CM601

Model Number: HH-CM601
Hardness: ≥ 60 HRC
Chemical Composition (C): 5.0 - 6.2%
Chemical Composition (Cr): 20 - 25%
Chemical Composition (Si): 0.7 - 1.2%
Chemical Composition (Mn): 0.5 - 1.0%
Chemical Composition (Nb): 6.0 - 7.0%
Chemical Composition (Ni, V, Ti, Mo + Others): Appropriate amount
Wire Diameter: 2.8 mm
Welding Current: 350 - 420 A
Max Operating Temperature: ≤ 500°C
Packaging: 250 kg/barrel; 125 kg/barrel

More Details

Product Description

HH-CM601 is a high performance hardfacing flux-cored welding wire (FCW) specially designed for coal mill rollers and other parts subjected to high abrasive wear combined with medium impact stress. The deposited metal contains primary carbides and fine dispersed hard niobium carbides, which makes the weld metal extremely resistant to abrasive wear and delivers long service life in severe working conditions.

Key Properties

Anti Abrasion

Anti Impact

Heat Resistant

Anti Corrosion

Product Features

Feature Description
Wear Resistance Deposited metal contains primary carbides; fine dispersion of hard niobium carbides provides extremely strong resistance to abrasion.
Impact Resistance Good impact resistance, suitable for medium impact stress conditions.
Anti-stripping Good anti-strip performance.
Microstructure High chromium high carbon iron-based hard alloy with niobium addition: C - Cr - Nb - Fe.
Machinability Grinding only.
Cutting Not suited for flame-cutting.
Weld Bead Appearance The weld metal will show cracks, which are typical stress-relief cracks of hardfacing deposits.
Surfacing Method Multi-layer surfacing.
Working Temperature Application temperature should not exceed 500°C.

Typical Chemical Composition (Pure Deposited Metal, After 3-layer Welding)

Element Composition (%)
C5.0 - 6.2
Cr20 - 25
Si0.7 - 1.2
Mn0.5 - 1.0
Nb6.0 - 7.0
Ni, V, Ti, Mo + OthersAppropriate amount

Recommended Welding Parameters

Wire Diameter (mm) Current (A) Voltage (V) Stick-out (mm)
2.8 350 - 420 28 - 32 25 - 40

Applications

Recommended for parts under high abrasive wear combined with medium impact stress:

  • Coal mill rollers
  • Mill discs
  • Roller press top coats
  • Mill roller top coats
  • Crusher rolls

Packaging

250 kg/barrel; 125 kg/barrel

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