Tungsten Carbide tips and inserts - Kedel Tool | Your Trusted Carbide Tool Expert

Tungsten Carbide stone cutting tips and inserts

Tungsten carbide stone cutting tools with fine-grained WC-Co composition are ideal for marble and granite processing, offering high wear resistance and durability.

tips and inserts Types Kedel Provides for You

Explore the diverse types of tips and inserts provided by Kedel for you, designed for efficient stone cutting.

Welded stone cutting tips with clearance angle

Welded block-shaped stone cutting tips

Fixed stone cutting inserts for chain saw

Application Scenarios of Tips and Inserts

Application Scenarios of Stone Cutting Tips and Inserts in Quarrying and Processing Industries

Stone Cutting Industry

Construction and Decoration Industry

Wood Processing Industry

Metal Processing Industry

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Please provide your equipment information, nozzle standards, operating environment conditions, and other customized information. We will communicate with you about the engineer’s customized solution (including thread drawings, material recommendations, and cost budget) within 72 hours.

What are Tungsten Carbide Tips and Inserts?

Tungsten carbide welded stone-cutting blades use tungsten carbide cemented carbide as the cutting part, which is fixed on the substrate through a welding process. Leveraging the high hardness and wear resistance of tungsten carbide, they are suitable for scenarios like stone extraction and processing. The welding ensures structural strength, helping to handle the impact and load during cutting. They can be cleaned and re – sharpened to extend service life, and are common tools in the stone – cutting process.

Types of Tungsten Carbide Tips and Inserts

The type of stone-cutting tool determines key characteristics such as the stone cutting mode, efficiency, precision, and the range of applicable stones.

Welded stone cutting tips with clearance angle

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Welded block shaped stone cutting tips

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Welded serrated stone cutting tips

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Fixed stone cutting inserts for chain saw

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What You Need to Know About Common Parameters ？

Understanding the parameters of tungsten carbide stone tips and inserts is aimed at accurately matching working condition requirements, ensuring processing quality and efficiency, optimizing costs, and maintaining stable equipment operation, so as to fully unleash their performance in various application scenarios.

I. Specification & Dimension Parameters (Core Physical Indicators)

Parameter Category	Details
Overall Dimensions	Length×Width×Thickness: e.g., welded block-shaped tip “16X12X3.2mm” (range: several mm to 15mm)
Special Structural Sizes	– Serrated tips: Tooth pitch×Tooth height (e.g., tooth height 4.5-7.0mm in “13.1X13.1X4.5-7.0mm”) – Tips with clearance angle: Angle (5°-15°, affects cutting resistance & life)
Interface Dimensions	Fixed chain saw tips: Mounting hole diameter×tolerance (common: M6-M10 threads/dovetail slots)

II. Material & Performance Parameters (Core Functional Indicators)

Parameter Category	Details
Grade & Composition	– Tungsten carbide alloys: • European: K20 (10% Co, medium load), K30, K40 • Chinese: YC20, YC15 (15% Co, impact resistance) – Key components: • WC: 90%-99% (hardness HRA 85-92) • Co: 1%-10% (higher content = better toughness)
Physical Properties	– Hardness: HRA (e.g., K30: 88-90, YC15: 90-92) – Bending strength: K20 (1800-2200MPa), YC20 (>2400MPa) – Wear resistance: Measured by wear rate (mm³/h) or cutting length (m), correlated with stone hardness

III. Structure & Process Parameters (Processing Adaptation)

Parameter Category	Details
Process Types	– Welding methods: • Brazing (Cu/Ag filler, <900℃) • Fusion welding (>1000℃)
Cutting Edge Treatment	– Grinding precision: Surface roughness Ra≤0.8μm – Edge radius: R0.05-0.2mm (smaller = sharper, lower impact resistance)
Functional Structure	– Serrated tips: Rake angle 10°-20°, clearance angle 5°-10° – Tips with clearance angle: Angle (e.g., S10: 10° to reduce friction)

IV. Application Scenario Parameters (Usage Adaptation)

Parameter Category	Details
Applicable Stone Types	– Medium-hardness: Marble, ceramic tiles (suitable for K20/K30) – High-hardness: Granite, quartzite (suitable for K40/YC20/YC15)
Equipment Matching	Cutting equipment: Chain saws, circular saws, handheld cutters (chain saw tips require slot compatibility)
Working Conditions	– Recommended speed: Circular saws 5000-8000rpm – Feed rate: 0.1-0.5mm/rev (adjust by stone hardness)

What Materials Are Commonly Used in Production?

Stone-cutting tools are typically crafted from the following materials, each with distinct performance characteristics and application scenarios

Cemented Carbide (Tungsten Carbide-Based Alloys)

Composition: Primarily consists of tungsten carbide (WC, 90%–99%) and cobalt (Co, 1%–10%), with additives like titanium or tantalum in some grades.
Properties:
- Exceptional hardness (HRA 85–92) and wear resistance, ideal for granite, marble, and other stones.
- Higher cobalt content enhances toughness (e.g., K40 resists impact better than K20).
Common Grades:
- European Standards: K20 (10% Co, medium-load cutting), K30, K40.
- Chinese Standards: YC15 (15% Co, impact-resistant), YC20.

Diamond (or Polycrystalline Diamond Composite)

Forms:
- Natural or synthetic diamond particles embedded in the cutting edge, or polycrystalline diamond compact (PDC) inserts.
Properties:
- Extremely high hardness (nearly 10,000 HV), suitable for ultra-hard materials like quartzite or concrete.
- Outperforms carbide in wear resistance but requires a carbide substrate for impact resistance.

High-Speed Steel (HSS)

Composition: Alloyed with tungsten, molybdenum, chromium, and vanadium (e.g., W18Cr4V).
Properties:
- Moderate hardness (HRC 62–67) and good toughness, used for low-speed or light-duty applications (e.g., ceramic tiles).
- Lower cost than carbide but shorter lifespan, favored for budget-friendly tools.

What Products Are Commonly Used For?

From the sawing equipment in large – scale stone factories, to the carving tools of craftsmen, and then to industrial wear – resistant components, as long as it involves the cutting, carving, and grinding of stone/hard materials, tungsten carbide stone – cutting tools may be used.

Circular Saw

What Is the Replacement Cycle?

Tungsten Carbide Stone-Cutting Tool Replacement Cycle and Influencing Factors Comparison Table

Influence Dimension	Specific Indicators	Medium-Low Hardness Stones (Marble/Tiles)	High-Hardness Stones (Granite/Quartzite)	Metal Cutting (Steel/Aluminum)	Wood Processing (Logs/Panels)
Core Factors	Stone Mohs Hardness	3-5 grades	6-7 grades	Steel (200-300 HB) / Aluminum (100-150 HB)	Hardwood (Janka 1,000-2,000 lbf) / Softwood
Tool Material/Grade	K20/K30 (medium Co content)	500-1,000 m cutting / 1-3 months	200-500 m cutting / 2-4 weeks	Not recommended (use metal-specific carbides)	Not recommended (use HSS/wood-cutting blades)
	YC15/YC20 (high wear resistance)	800-1,500 m cutting / 3-6 months	300-800 m cutting / 4-8 weeks	Carbide with TiN coating: 1,000-2,000 m / 2-4 months	Carbide-tipped: 5,000-10,000 m / 6-12 months
Specification Dimensions	Thickness ≤ 3.2mm	Service life reduced by 20%-30%	Service life reduced by 40%-50%	Life reduced by 30%-40% (due to high heat generation)	Life reduced by 10%-20% (due to wood fiber friction)
	Thickness ≥ 4mm	Service life extended by 1-2 times	Service life extended by 50%-100%	Life extended by 50%-80% (with cooling)	Life extended by 30%-50% (with anti-adhesion coating)
Cutting Conditions	Speed > 8,000 rpm / Feed rate > 0.5mm/rev	Cycle shortened by 30%-50%	Cycle shortened by 50%-70%	Cycle shortened by 40%-60% (risk of blade overheating)	Cycle shortened by 20%-30% (risk of resin buildup)
	No water cooling / Dust accumulation	Cycle shortened by 50%-100%	Cycle shortened by 70%-150%	Cycle shortened by 60%-100% (oxidation risk)	Cycle shortened by 30%-50% (wood dust adhesion)
Typical Scenario Replacement Cycles	Daily cutting volume	Small stone factory (50-100 m/day)	Quarry (200-300 m/day)	Metal fabrication plant (100-200 m/day)	Timber mill (300-500 m/day)
	Tool type & size	YC20/16X12X3.2mm: 1-2 months	K40/13.3X13.3X7.0mm: 1-2 weeks	TiN-coated carbide/10X8X4mm: 3-6 weeks	Tungsten carbide-tipped/12X10X5mm: 4-8 months
Replacement Timing Criteria	Edge 钝化 (rounding> R0.5mm)	✔️	✔️	✔️ (excessive burr formation)	✔️ (rough cutting surface)
	Chipping 或缺损 (≥1mm)	✔️	✔️	✔️ (crack propagation)	✔️ (tooth breakage)
	Cutting efficiency decrease ≥30%	✔️	✔️	✔️ (cutting speed drop)	✔️ (feed rate reduction)
Life Extension Tips	Selection advice	Medium load: K30; Thin tools: 14X10X4.7mm	High wear resistance: YC15; Thickness ≥4mm	Choose metal-cutting grades (e.g., K10 with TiC coating)	Use anti-kickback blades; select appropriate tooth pitch
	Condition control	Speed 5,000-7,000 rpm; Feed rate ≤0.3mm/rev	Activate water cooling (water temperature ≤30℃); Clean dust regularly	Coolant flow rate ≥5L/min; Maintain cutting speed 3,000-5,000 rpm	Maintain blade sharpness; Avoid wet wood cutting
	Maintenance measures	Dust removal with compressed air after each use	Minor chipping: Dress edges with diamond whetstone	Deburr and inspect for cracks weekly	Clean resin buildup with solvent; Sharpen every 500m

Table Instructions

Horizontal Comparison: The left column lists core variables, while the right columns compare differences between stone types, metal, and wood to facilitate quick cycle positioning based on materials.
Data Logic: Replacement cycles are marked with both “cutting meters” and “time” to accommodate industrial continuous operation (meter-based) and sporadic use (time-based).
Warnings: Scenarios marked “Not recommended” indicate unsuitability to prevent premature wear from incorrect tool selection.
Maintenance Tips: Differentiated solutions for different materials are provided at the bottom, directly applicable for operational guidance.

Welded stone cutting tips with clearance angle

Welded block-shaped stone cutting tips

Fixed stone cutting inserts for chain saw

Application Scenarios of Tips and Inserts

Stone Cutting Industry

Construction and Decoration Industry

Wood Processing Industry

Metal Processing Industry

Uncover Your Needs with Us!

Welded stone cutting tips with clearance angle

Welded block shaped stone cutting tips

Welded serrated stone cutting tips

Fixed stone cutting inserts for chain saw

I. Specification & Dimension Parameters (Core Physical Indicators)

II. Material & Performance Parameters (Core Functional Indicators)

III. Structure & Process Parameters (Processing Adaptation)

IV. Application Scenario Parameters (Usage Adaptation)

Cemented Carbide (Tungsten Carbide-Based Alloys)

Diamond (or Polycrystalline Diamond Composite)

High-Speed Steel (HSS)

Circular Saw

Tungsten Carbide Stone-Cutting Tool Replacement Cycle and Influencing Factors Comparison Table

Table Instructions

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