304 Wear Resistant Mining Castings
304 Special Wear-Resistant Mining Component Castings
Product Overview
Our enhanced ZG08Cr19Ni11 (CF-8) austenitic stainless steel castings deliver superior wear-corrosion resistance for mining applications through optimized composition and surface engineering.
Key Advantages
✔ Hybrid Wear Resistance
Matrix hardness: HB180-220
Surface hardness: HRC50-55 (shot peening/nitriding)
2x wear resistance vs standard 304 (ASTM G65)
✔ Environmental Adaptability
pH 2-11 corrosion resistance
Withstands Cl⁻≤5000ppm
Erosion resistance (≤8m/s slurry flow)
Product Series
✓ Slurry pump impellers/volutes
✓ Flotation machine agitator blades
✓ Wet mill feed trunnion liners
✓ Mining pipeline elbows
✓ Vibrating screen wear grids
Material Optimization
▸ Composition
C≤0.08% (wear-corrosion balance)
N 0.10-0.16% (interstitial strengthening)
2.0-3.0% Cu (acid resistance)
▸ Metallurgy
ASTM 5-7 grain size
δ-Ferrite≤5% (Schaeffler diagram)
Technical Data
|
Property |
Value |
Standard |
|
Wear loss |
≤0.8g/cm² |
ASTM G65 |
|
Corrosion rate |
≤0.1mm/year |
ASTM G31 |
|
Impact energy |
≥80J @-20℃ |
ASTM A370 |
Special Processes
Dual solution treatment
Surface nanocrystallization
Flow path electropolishing
Quality Assurance
Material Tests:
✓ OES (Cu/N control)
✓ XRD phase analysis
Product Tests:
✓ 3D wear simulation
✓ Residual stress measurement
Certifications
✓ ISO 9001:2015
✓ ASTM A351 compliant
✓ Mining industry field verification
Note:
Customized hardening solutions
Wear pattern analysis available
Emergency repair services
Global logistics support
fAQ
Q: Can you help design a part if I only have functional requirements?
Q: How quickly can you produce a prototype?
Q: Do you offer simulation and testing before mass production?
Q: What's the minimum order quantity (MOQ)?
Q: Can you adapt designs to reduce customer costs?
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