9May, 2026
What Are the Best Materials for High-Wear Cast and Forged Parts

Introduction

For heavy-duty industrial equipment like crushers, grinding mills, excavators, and mining machinery, high-wear cast and forged parts must resist abrasion, impact, friction, and cyclic load. Choosing the right wear-resistant material directly determines service life, downtime, and maintenance cost.
Below are the best materials for high-wear cast and forged parts, sorted by application, wear resistance, impact toughness and cost performance.

1. High Manganese Steel (Hadfield Steel) – #1 for Impact + Abrasion

Grade: ZGMn13, ZGMn18, Mn13Cr2
  • Best for: Heavy impact + strong abrasion working conditions
  • Features:
    • Work-hardening on surface under impact
    • Remains tough and not easy to crack
    • Excellent impact wear resistance
  • Typical parts:

    Jaw crusher jaw plates, cone crusher liners, hammer mill hammers, bucket teeth, impact crusher blow bars

  • Form: Castings mostly, also available in forgings

2. High Chromium Cast Iron – Best for Pure Abrasion Wear

Grade: Cr15, Cr20, Cr27 high chromium white iron
  • Best for: Severe abrasion, low to medium impact
  • Features:
    • Extremely high hardness
    • Excellent anti-abrasion performance
    • Good corrosion and heat wear resistance
  • Typical parts:

    Mill liners, wear plates, chute liners, slag handling parts

  • Form: Castings only (not suitable for forging)

3. Alloy Wear-Resistant Steel (Alloy Carbon / Low Alloy Steel)

Grade: 42CrMo, 35CrMo, 40Cr, 50Mn2
  • Best for: Wear + high strength + fatigue resistance
  • Features:
    • Balance of hardness and toughness
    • Can be quenched and tempered for adjustable hardness
    • Good machinability and easy heat treatment
  • Typical parts:

    Forged shafts, gear blanks, connecting rods, pinion shafts, crusher main shafts

  • Form: Castings + Forgings — most widely used for forged wear parts

4. Austempered Ductile Iron (ADI)

Grade: ADI QT800–QT1200
  • Best for: Medium wear, vibration and light impact
  • Features:
    • Higher strength and wear resistance than ordinary ductile iron
    • Good damping and fatigue resistance
    • Cost lower than alloy steel
  • Typical parts:

    Machinery gears, sprockets, tractor parts, pump wear components

  • Form: Castings

5. High Carbon & Medium Carbon Steel

Grade: 1045, 45# , 55# , 60# steel
  • Best for: General wear, structural load parts
  • Features:
    • Good surface hardness after heat treatment
    • Low cost, easy to forge and machine
  • Typical parts:

    Forged axles, rollers, simple wear brackets, structural wear parts

  • Form: Forgings preferred, also castable

6. Stainless & Duplex Alloys – Wear + Corrosion

Grade: 2205, 2507, 316L, High nickel alloys
  • Best for: Wear + corrosive environment (chemical, marine, salt water)
  • Features:
    • Wear resistance + acid / alkali corrosion resistance
    • High temperature oxidation resistance
  • Typical parts:

    Corrosive slurry pump parts, marine wear components, chemical valve trim

  • Form: Forgings and investment castings

Quick Selection Guide — Best Material by Working Condition

  1. High impact + high abrasion → High Manganese Steel Mn13
  2. Severe abrasion, low impact → High Chromium Cast Iron Cr27
  3. Wear + high strength + shaft/gear parts → Alloy Steel 42CrMo / 35CrMo Forgings
  4. Medium wear, cost-sensitive → ADI Austempered Ductile Iron
  5. General structural wear parts → 45# / 50Mn2 Carbon Steel
  6. Wear + corrosion / marine → Duplex Stainless Steel 2205 / 2507

Conclusion

The best materials for high-wear cast and forged parts depend on impact level, abrasion degree, temperature, corrosion and cost.
  • For mining crusher & mill wear parts: High manganese steel / high chromium iron
  • For forged shaft, gear and heavy load parts: Alloy steel 42CrMo, 35CrMo
  • For corrosive wear environment: Duplex stainless steel & high alloy forgings

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