Martensitic Alloy Grinding Rolls: Premium martensitic high-chromium alloy cast rollers with ultra-high abrasion and thermal fatigue resistance, core wear components customized for vertical cement raw mills, clinker mills and slag vertical mills under long-term heavy grinding load.
Product Specifications
Product:
Martensitic Alloy Wear Resistant Vertical Mill Grinding Rolls
MOQ:
1 piece
Model NO:
OEM customized to match all vertical mill brands & models
Size:
Produced strictly following customer technical drawings, assembly dimensions
Machining Tolerance:
±0.02mm
Material:
High Chromium Martensitic Wear Resistant Alloy Cast Iron
Application:
Cement plant vertical raw mill, cement clinker vertical mill, slag vertical mill, mineral powder vertical grinding equipment
Surface Treatment:
Integral quenching & tempering heat treatment, shot blasting, precision turning, surface stress relief
Manufacturing Process:
Large sand casting, homogenization annealing, hardening & tempering, finish machining
Factory:
Professional heavy-duty vertical mill wear casting manufacturer
After-sales Service:
24-hour online professional technical support
Warranty:
Quality guaranteed under standard cement grinding operating conditions
Certification:
ISO 9001, CE
Standard:
ASTM A532, GB/T 8263, mining & cement wear component standards
Inspection:
Hardness test, impact toughness test, abrasion resistance test, metallographic analysis, UT internal defect inspection, dimensional full inspection
Application Scope:
Grinding roller sleeves, integral grinding rolls, roller tyres for vertical cement mill grinding system, resisting continuous clinker, limestone, slag abrasive extrusion
Delivery Time:
18–40 working days, negotiable for large bulk orders
Transport Package:
Reinforced steel frame seaworthy wooden case, anti-rust, shockproof, surface scratch protection
Advantages:
High surface hardness, outstanding anti-abrasion, strong thermal fatigue resistance, anti-spalling & anti-cracking, long service life, stable grinding efficiency
Typical Chemical Composition (wt%)
C: 2.4–3.0, Cr: 12–18, Mo: 1.0–3.0, Ni: 1.0–2.5, Mn ≤1.2, Si ≤1.0, S ≤0.06, P ≤0.06
Core Material Performance
- Working Surface Hardness: HRC 56–64
- Matrix: Full martensite + uniformly distributed hard chromium carbides
- Excellent anti-thermal fatigue: Resist alternating hot & cold cycles generated by grinding extrusion heat
- High compressive strength, not easy to produce surface peeling and block falling under heavy extrusion load
Key Product Features
- Dense martensitic matrix with hard carbide phases withstand long-term extrusion abrasion of hard cement clinker, limestone and slag
- Optimized integral heat treatment process eliminates casting internal stress, effectively avoid roller surface crack failure
- Good thermal stability, no surface softening and wear acceleration under continuous grinding high temperature
- Strict finish machining to guarantee assembly concentricity, reduce mill vibration and energy consumption
- Longer service cycle than ordinary high manganese steel rollers, lower overall spare parts replacement cost
Main Vertical Mill Wear Matching Parts
Integral grinding rolls, roller sleeves, grinding table liners, retaining ring castings, other martensitic alloy wear parts for cement vertical grinding equipment
FAQ
Q: Why martensitic alloy grinding rolls for cement vertical mills?
A: Cement grinding brings heavy extrusion abrasion and cyclic thermal shock. Martensitic high chromium alloy balances ultra-high hardness and toughness, solving common issues of roller surface peeling, cracking and rapid wear.
Q: Can customize roller size and alloy formula for different grinding materials?
A: Yes, we adjust chromium, molybdenum and nickel content, roller wall thickness according to raw material hardness, mill output and service requirements.
Q: Can complete inspection certificates be provided before shipment?
A: Full test reports including hardness, metallographic, abrasion resistance and UT non-destructive inspection documents are available for project acceptance.
Our Strengths
- Specialized large-scale casting production line for vertical mill martensitic alloy grinding rolls
- Mature dedicated quenching and tempering process to stabilize martensitic microstructure
- Strict full-process quality control from raw material smelting to finished machining
- Long-term stable supply for global cement production line projects
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