Korloy WNMG080408-HM PC9030 (WNMG 432-HM) Stainless Steel Turning Insert (10pcs)
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The Original Korloy WNMG080408-HM PC9030 (ANSI: WNMG 432-HM) is a high-performance 80° Trigon Turning Insert specifically optimized for Stainless Steel and Heat-Resistant Alloys. Utilizing the premier PC9030 PVD Grade, this insert provides a sharp cutting edge and excellent toughness to combat work-hardening and chip-bonding. The 0.8mm (1/32") radius offers the perfect balance of edge strength and material removal rates for medium machining operations.
Built for Toughness: PC9030 is Korloy’s flagship PVD grade for the M-series (Stainless Steel). Its smooth coating prevents built-up edge (BUE), ensuring consistent performance even in gummy materials or light interrupted cuts.
Technical Specifications (ISO vs. ANSI):
| ISO Designation | WNMG 080408-HM |
| ANSI Designation | WNMG 432-HM |
| Corner Radius (r) | 0.8 mm / (1/32") |
| Grade | PC9030 (High-Toughness PVD) |
| Primary Material | Stainless Steel (M), Super Alloys (S) |
Cutting Parameters (Recommended):
Achieve the best productivity with these recommended speeds and feeds for Stainless Steel:
| Material Type | Cutting Speed (Vc) | Feed Rate (fn) | Max Depth (ap) |
|---|---|---|---|
| 304/316 Stainless Steel | 100 - 180 m/min | 0.15 - 0.35 mm/rev | 1.0 - 4.0 mm |
| Duplex Stainless Steel | 80 - 150 m/min | 0.12 - 0.25 mm/rev | 1.0 - 3.5 mm |
Compatible Tool Holders:
Ensure a rigid setup for high-feed stainless machining by using these compatible tool holders:
- External Turning: MWLNR/L Series (80° Trigon Standard)
- Internal Boring: S-MWLNR/L Series Boring Bars
Core Performance Benefits:
- Sub-micron Substrate: Provides superior edge stability and resistance against mechanical shock and sudden fracture.
- Enhanced Surface Quality: The HM chipbreaker geometry is designed for optimal chip breaking in gummy materials, preventing "bird-nesting" during long cuts.
- Trigon Economy: Offers 6 precision cutting edges per insert, delivering 50% more value than standard 4-edge diamond (CNMG) inserts.
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Grade Comparison Pro-Tip
PC9030 vs. NC3120: Use NC3120 for high-speed Steel turning in stable conditions. Switch to PC9030 whenever you machine Stainless Steel or need higher toughness for interrupted cuts in various materials.
Packaging: 10 pieces per box.