OYYU SCGT Aluminum Carbide Inserts SCGT09T3 / SCGT1204 (SCGT 32.5 / SCGT 43)
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OYYU SCGT Aluminum Carbide Inserts | SCGT09T3 & SCGT1204 H01 Mirror Polish
Product Overview: Which Carbide Insert is Best for High-Speed Aluminum Turning?
Are you seeking a high-efficiency CNC turning insert engineered specifically to eliminate aluminum edge build-up (BUE) and chip jamming during high-speed machining? The OYYU SCGT Carbide Insert Series (H01 Grade) provides an industrial-grade solution designed for aluminum alloys, copper, brass, and non-ferrous soft materials.
Manufactured with an ultra-fine sub-micron carbide substrate paired with an un-coated H01 mirror-polished rake face, these inserts feature an aggressive -AK chipbreaker geometry. This design delivers razor-sharp cutting edges, minimized cutting friction, swift chip evacuation, and superior surface finish values (Ra < 0.4 μm). Fully compliant with ISO 1832 and ANSI standard designations.
2. Core Advantages & Technical Features
Mirror Polish H01 Rake Face
Ultra-smooth polished surface reduces material adhesion, preventing Built-Up Edge (BUE) even under continuous dry or MQL cutting conditions.
AK Precision Chipbreaker
High positive rake design lowers cutting resistance and power consumption, directing long-curled aluminum swarf into controlled coils.
Sub-Micron Substrate
High-density K10-K20 un-coated carbide grain structure ensures sharp edge integrity without premature chipping during interrupted cuts.
3. Specifications & ISO / ANSI Coding Decoder
ISO / ANSI Standard Code Breakdown:
Model Comparison: Metric ISO vs. Imperial ANSI Standard
| Metric Model (ISO) | Imperial Model (ANSI) | I.C. (Inscribed Circle) | Thickness | Corner Radius (r) |
|---|---|---|---|---|
| SCGT09T302-AK H01 | SCGT 3(2.5)0.5-AK | 9.525 mm (3/8") | 3.97 mm (5/32") | 0.2 mm (0.008") |
| SCGT09T304-AK H01 | SCGT 3(2.5)1-AK | 9.525 mm (3/8") | 3.97 mm (5/32") | 0.4 mm (0.016") |
| SCGT09T308-AK H01 | SCGT 3(2.5)2-AK | 9.525 mm (3/8") | 3.97 mm (5/32") | 0.8 mm (0.031") |
| SCGT120402-AK H01 | SCGT 430.5-AK | 12.70 mm (1/2") | 4.76 mm (3/16") | 0.2 mm (0.008") |
| SCGT120404-AK H01 | SCGT 431-AK | 12.70 mm (1/2") | 4.76 mm (3/16") | 0.4 mm (0.016") |
| SCGT120408-AK H01 | SCGT 432-AK | 12.70 mm (1/2") | 4.76 mm (3/16") | 0.8 mm (0.031") |
Recommended Cutting Parameters (Feeds & Speeds)
| Operation Mode | Cutting Speed (Vc) | Feed Rate (fn) | Depth of Cut (ap) |
|---|---|---|---|
| Finishing (Radius 0.2 / 0.4) | 300 - 800 m/min | 0.05 - 0.20 mm/rev | 0.2 - 1.5 mm |
| Medium / Roughing (Radius 0.8) | 250 - 600 m/min | 0.15 - 0.40 mm/rev | 1.0 - 4.0 mm |
Compatible CNC Turning Toolholders (Click to View):
- For SCGT09T3..: External Turning Holders SSDCN / SSSCR / SSKCR 1212H09 / 1616H09 | Boring Bars S12M-SSKCR09 / S16Q-SSKCR09
- For SCGT1204..: External Turning Holders SSDCN / SSSCR / SSKCR 2020K12 / 2525M12 | Boring Bars S20R-SSKCR12 / S25S-SSKCR12
4. Workpiece Applications & Machine Compatibility
Target Materials
- Aluminum Alloys: 6061-T6, 7075-T6, 2024, 5052, Cast Aluminum (Si < 12%).
- Copper & Copper Alloys: Free-cutting brass, bronze, oxygen-free copper.
- Plastics & Non-Metallic: Acrylic, POM (Delrin), Nylon, Teflon, Carbon Fiber composites.
Machine Compatibility
- CNC Turning Lathes & Swiss-Type Lathes (Citizen, Star, Tsugami).
- Multi-Tasking Turning-Milling Centers (Mazak, Okuma, Doosan, Haas).
- Manual Lathes fitted with standard screw-clamp toolholders.
5. Industrial Grade Comparison & Brand Equivalents
OYYU H01 is a proven replacement grade for leading global carbide manufacturers:
| OYYU Grade | Korloy | Iscar | Sandvik Coromant | Kyocera | Sumitomo |
|---|---|---|---|---|---|
| H01 | H01 / H05 | IC20 / IC08 | H10 / H13A | KW10 | ACK100 / DL1000 |
6. Why Machine Shops Choose OYYU Tools
- Consistently Tight Tolerances: Manufactured to ISO Class G tolerances for accurate repeating edge changes.
- 100% Quality Inspected: Optical micro-edge inspection eliminates burrs and grinding defect risks.
- 30%+ Tool Life Extension: Optimized rake angles reduce thermal loads on delicate cutting edges.
- Direct Factory Supply: Top tier quality at factory direct pricing for maximum cost-per-edge savings.
7. Verified Global Customer Reviews
"Excellent mirror polish! We run 6061 aluminum manifolds on our Haas lathe at 3,500 RPM. Zero edge build-up and incredible surface finish."
— Mark S., Machine Shop Owner (USA)"Sehr gute Qualität. Standzeit ist top bei Messing- und Aluminiumverarbeitung. Wir bestellen SCGT09T304 regelmäßig."
— Klaus B., CNC Machinist (Germany)"Ottimo rapporto qualità prezzo. Utilizzate su tornio CNC per parti in alluminio 7075. Truciolo rotto alla perfezione."
— Matteo R., Production Engineer (Italy)"アルミ加工で使用。鏡面仕上げで構成刃先が発生しにくく、面粗度が安定しています。Cost performance is outstanding."
— Kenji T., Tooling Specialist (Japan)"The SCGT120408-AK worked amazingly for heavy roughing on aluminum castings. Chips curled away easily without clogging."
— David P., Manufacturing Specialist (UK)8. Frequently Asked Questions (Machinist FAQ)
Q: Can I use OYYU SCGT H01 inserts for stainless steel or carbon steel turning?
A: It is not recommended. The H01 grade is an un-coated grade designed specifically for non-ferrous metals. Steel machining generates high temperatures that cause rapid adhesive wear on un-coated carbide. For steels, use PVD/CVD-coated inserts like CCMT or TNMG with steel geometries.
Q: What is the difference between SCGT09T302, SCGT09T304, and SCGT09T308?
A: The difference lies in the corner nose radius (r):
• 02 (0.2mm / 0.008"): Super-fine finishing, reduced chatter on thin-walled parts.
• 04 (0.4mm / 0.016"): General-purpose turning balancing sharpness and edge strength.
• 08 (0.8mm / 0.031"): Roughing cuts, higher feed rates, and improved thermal durability.
Q: Should I run coolant when turning aluminum with SCGT H01 inserts?
A: High-pressure water-soluble coolant or MQL (Minimum Quantity Lubrication) is recommended. Coolant flushes soft swarf chips out of deep bores, prevents re-cutting, and ensures optimal surface roughness.
Machining Troubleshooting Guide & Tech Tips
Issue: Built-Up Edge (BUE) / Material Melting on Rake Face
Solution: Increase cutting speed (Vc), apply coolant/air blast, ensure insert is OYYU polished H01 grade.
Issue: Workpiece Vibration / Chatter Marks
Solution: Reduce corner radius (e.g., switch from 08 to 04 or 02), reduce depth of cut (ap), increase rigidity of setup.
Need Help With OYYU Inserts?
Looking for a OYYU equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This OYYU insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
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.