KORLOY TNMG220408-HS PC9030 Indexable Carbide Turning Inserts | TNMG432-HS (ANSI Equivalent) PVD Coated Carbide Cutters for Stainless Steel & Heat-Resistant Alloy Machining - 10pcs/box
✓ In Stock & Fast Dispatch: Ships within 24–48 Hours from China
✓ Global Shipping: Express 3–10 Days | Standard 5–15 Days
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✓ Technical Support: Need grade selection help? Contact Engineer
KORLOY TNMG220408-HS PC9030 Indexable Carbide Turning Inserts | TNMG432-HS (ANSI Equivalent) PVD Coated Inserts for Stainless Steel & Alloy Machining - 10pcs/box
High-Performance ISO-Standard 60° Triangular Negative Indexable Turning Cutters Optimized for Precision Finishing and Light Interrupted Machining of Stainless Steels and Superalloys
1. Product Overview
"Which carbide turning insert delivers exceptional edge toughness and thermal shock resistance for precision finishing of austenitic stainless steels and high-temperature alloys?" CNC machinists and manufacturing engineers consistently select the KORLOY TNMG220408-HS PC9030. This industrial-grade indexable carbide insert combines an advanced PC9030 grade multi-layer PVD coating over a fracture-resistant tungsten carbide substrate, delivering exceptional performance under demanding thermal conditions. Built with a 60° triangular negative geometry for double-sided economic indexing, a specialized -HS sharp chipbreaker for low cutting forces, and a robust 0.8mm corner radius for enhanced edge durability, it incorporates specialized rake geometries designed to prevent built-up edge (BUE) and ensure superior surface integrity during extended machining operations.
2. Product Key Features
- Advanced PC9030 PVD Coating Technology: Nano-scale multi-layer PVD coating architecture engineered for stainless steel and heat-resistant superalloys with outstanding resistance to adhesive wear and thermal cracking.
- HS Sharp Chipbreaker Geometry & 0.8mm Radius: Features a sharp, positive rake land configuration combined with a 0.8mm nose radius to minimize cutting forces and eliminate workpiece work-hardening.
- ISO Standard Compliance: Manufactured strictly under international cutting tool standards to guarantee secure clamping and exact interchangeability across standard negative external toolholders.
- Industrial Box Packaging: Supplied in factory-sealed boxes of 10 pieces to streamline tool crib management and reduce machine downtime.
3. Technical Specifications & Model Breakdown
Examine the comprehensive parameter specifications, metric and imperial equivalents, and ISO coding breakdown below for precise CNC lathe integration.
Metric vs. Imperial Designation Comparison
| Specification Parameter | Metric Standard (ISO) | Imperial Equivalent (ANSI) |
|---|---|---|
| Primary Insert Model | TNMG220408-HS | TNMG432-HS |
| Inscribed Circle (IC) | 12.7 mm | 0.500 in (1/2") |
| Insert Thickness (S) | 4.76 mm | 0.1875 in (3/16") |
| Corner Radius (r) | 0.8 mm | 0.0315 in |
Recommended Cutting Parameters (Feed & Speed)
| Workpiece Material Group | Cutting Speed (vc) m/min | Feed Rate (f) mm/rev |
|---|---|---|
| Stainless Steel (Austenitic 304/316) | 140 - 240 | 0.15 - 0.35 |
| Heat-Resistant Superalloys (Inconel) | 40 - 90 | 0.10 - 0.25 |
Need matching MTJNR, PTJNR, or WTJNR external turning toolholders for your TNMG 2204 inserts?
Explore Compatible External Turning Tool Holders & Boring Bars4. Product Application Scenarios
The KORLOY TNMG220408-HS PC9030 insert excels across corrosion-resistant and high-temperature industrial sectors:
- Aerospace Turbine Components: Precision finishing of heat-resistant superalloy rings and fastener shafts.
- Oil & Gas Valve Machining: Turning austenitic stainless steel and duplex alloy pressure components.
- Medical & Chemical Equipment: Smooth finishing passes on corrosion-resistant stainless steel cylinders and fittings.
5. Compatibility
Engineered for seamless integration into standard negative turning systems:
- Toolholders & Boring Bars: Fully compatible with MTJNR/L, PTJNR/L, and WTJNR/L series external turning toolholders and internal boring bars configured for TNMG 2204 inserts.
- CNC Machinery: Optimized for high-precision CNC lathes, Swiss-type turning cells, and multitasking machining centers.
6. Material Comparison & Workpiece Matrix
Review grade applicability across ISO material categories to maximize turning performance.
| ISO Material Category | Target Materials | PC9030 Performance Suitability |
|---|---|---|
| M (Stainless Steel) | Austenitic, ferritic, and martensitic stainless steels | Outstanding (Optimized PVD Multi-Layer Grade for M10–M30 Precision Finishing & Light Roughing) |
| S (Superalloys) | Nickel-based and titanium-based alloys | Excellent (High Thermal Shock Resistance for S10–S25 Finishing) |
7. Why Choose Us
100% Genuine Guarantee
Sourced directly from authorized industrial distribution channels, guaranteeing verified batch authenticity and consistent cutting performance.
Fast Global Logistics
Maintained warehouse stock and streamlined international shipping networks ensure rapid dispatch to eliminate production delays.
Technical Expertise
Backed by professional CNC application engineers available to provide customized cutting data recommendations and troubleshooting support.
8. Frequently Asked Questions (FAQ)
Q: How many inserts are included in one standard box?
A: Each standard factory-sealed box contains exactly 10 pieces of TNMG220408-HS PC9030 inserts.
Q: Why is PC9030 recommended over CVD grades for stainless steel?
A: PC9030 utilizes a specialized PVD multi-layer coating that offers superior resistance to chemical wear and built-up edge (BUE) formation, which are common challenges when machining gummy stainless steels and high-temperature alloys.
Q: What is the primary benefit of the -HS sharp chipbreaker?
A: The -HS breaker provides a sharper cutting edge and lower cutting resistance, preventing work-hardening in stainless steel and ensuring clean, burr-free surface finishes during finishing passes.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.