Products
Tungsten Carbide Aluminum Ingot Milling Insert | Foundry Scalping Tool
Detailed Description
Shengong Carbide Knives specializes in high-performance tungsten carbide scalping inserts designed for primary aluminum processing. Our aluminum ingot milling inserts are purpose-built for the face milling operation that removes surface oxides, segregation layers and casting defects from aluminum billets prior to hot rolling. With a transverse rupture strength exceeding 3200 MPa and micron-level edge precision, our scalping inserts maintain consistent cutting geometry under heavy stock removal conditions — delivering uniform surface finish and extended insert service life across continuous production shifts.
Why Choose Shengong’s Aluminum Ingot Milling Inserts?
Superior Wear Resistance: Ultra-fine grain carbide substrate withstands prolonged abrasive contact with aluminum oxides, extending insert service life by up to 30% compared to standard carbide grades
Anti-Adhesion Edge Finish: Precision polished rake faces minimize aluminum buildup and built-up edge formation, reducing frequent insert cleaning downtime
High Dimensional Accuracy: Strict flatness tolerance control ensures uniform cutting depth across the full ingot width, eliminating uneven surface quality
Custom Engineering Support: Modify insert dimensions, edge angles and substrate grades to match specific scalper head designs and aluminum alloy types
Core Features
Premium Carbide Grade: Ultra-fine grain WC-Co cemented carbide with HRA 91.6-92.6 hardness, balancing surface hardness and fracture toughness for heavy-duty foundry scalping operations
Optimized Edge Geometry: Precision ground cutting edges with controlled rake angles, engineered to reduce cutting forces and promote clean chip flow in aluminum face milling
Anti-BUE Surface Treatment: Mirror-polished flank and rake surfaces significantly reduce aluminum adhesion and built-up edge formation during continuous cutting
High Transverse Rupture Strength: >2800 MPa TRS prevents edge chipping and fracture under intermittent impact loads common in ingot scalping
Coating Options Available: TiN, DLC or specialized non-ferrous coatings available upon request for enhanced wear resistance and anti-stick performance
Specifications
| Item | Standard Dimensions (L×W×H mm) |
| 1 | 25×25×10 — Single hole mounting |
| 2 | 30×30×12 — Countersunk hole design |
| 3 | 40×25×15 — Heavy-duty scalping blade |
| 4 | Custom dimensions available upon request |
Custom modifications include: alternative hole patterns, specialized edge angles, chamfer configurations and substrate grade selections to match specific scalping equipment.
Applications
Shengong’s carbide aluminum ingot milling inserts are widely used in primary aluminum production and rolling facilities for surface preparation of aluminum billets and ingots:
Aluminum Rolling Mills: Face scalping of pure aluminum and alloy ingots (1xxx to 7xxx series) prior to hot rolling, removing casting skin, oxide layers and macro-segregation zones
Aluminum Extrusion Plants: Billet face milling and end facing operations to ensure uniform material flow during extrusion
Primary Aluminum Smelters: Ingot conditioning and surface defect removal for remelt and cast house operations
Non-Ferrous Metal Processing: Surface milling of copper, brass and other non-ferrous billets where high wear resistance and anti-adhesion properties are required
Our milling inserts are compatible with all major scalper machine brands including SMS group, Hertwich, and Danieli scalping lines.
Q&A
Q: How does your aluminum ingot milling insert reduce aluminum buildup on the cutting edge?
A: Our inserts feature mirror-polished rake and flank surfaces with optimized edge geometry, which significantly reduces material adhesion. For severe sticking conditions, we also offer DLC or specialized non-ferrous coatings that further minimize built-up edge formation.
Q: Can you manufacture milling inserts to match our existing scalper head dimensions?
A: Yes. Provide your insert length, width, thickness, hole pattern and edge angle specifications — we deliver fully interchangeable aluminum ingot milling inserts matched to your exact equipment requirements.
Q: What carbide grade is recommended for high-silicon aluminum alloys?
A: For high-silicon aluminum alloys that cause greater abrasive wear, we recommend our medium-coarse grain carbide grade with higher cobalt content. This formulation provides improved fracture toughness while maintaining sufficient wear resistance for demanding alloy scalping operations.
