Tungaloy TPMT090204-PS AH725 PVD Coated Carbide Turning Insert for Stainless Steel - BEYOND

Tungaloy TPMT090204-PS AH725 PVD Coated Carbide Turning Insert for Stainless Steel

$56.52 USD

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Description

Tungaloy TPMT090204-PS AH725 Insert

AH725 PVD Grade | -PS Chipbreaker | Superior Stainless Machining

What is the best carbide insert for machining stainless steel?

The Tungaloy TPMT090204-PS AH725 is an industrial-grade triangular turning insert specifically engineered for the challenging machining of stainless steels and heat-resistant alloys. Featuring the advanced AH725 PVD coated grade, this insert provides a perfect balance of wear resistance and toughness. The -PS chipbreaker is designed with a specialized rake angle to ensure excellent chip evacuation during light-to-medium finishing, preventing tool notch wear and workpiece damage. 100% Made in Japan, it is the professional choice for reliability in automated CNC production.

AH725 PVD Coating

A specialized high-Al-content PVD coating that provides extreme resistance to oxidation and thermal cracking. This ensures long tool life even in high-heat environments.

-PS Chipbreaker

The PS-style geometry is optimized for chip control at small depths of cut, making it ideal for finishing passes where surface integrity is critical.

Precision M-Class

Manufactured to strict M-class tolerances, providing high indexing accuracy and stability for high-volume B2B manufacturing.

Decoding TPMT 090204-PS Nomenclature

T
Tri
P
11°
M
Tol.
T
Hole
09
Size
02
Thk
04
0.4 Rad
-PS
Chip

3. Technical Data: Metric (ISO) vs. Imperial (ANSI)

Feature Metric (ISO) Imperial (ANSI)
Standard Model TPMT090204-PS TPMT 1.8(1.5)1-PS
Inscribed Circle (IC) 5.56 mm 7/32"
Thickness (S) 2.38 mm 3/32"
Corner Radius (RE) 0.4 mm 1/64"

Recommended Cutting Parameters (Stainless Steel)

  • Cutting Speed (Vc): 60 - 180 m/min (Stainless Steel)
  • Feed per Rev (f): 0.05 - 0.20 mm/rev
  • Depth of Cut (ap): 0.5 - 2.0 mm

*Pro-Tip: Use high-pressure coolant to improve chip evacuation and extend tool life when machining 304/316 Stainless.*

4. Primary Applications

  • Precision turning of Austenitic Stainless Steels (300 series).
  • Machining of Duplex and Super Alloys.
  • General purpose steel finishing where toughness is required.
  • Internal boring operations in stainless pipe components.

5. Tool Compatibility

Compatible with standard ISO TPMT 0902 tool holder pockets. Optimized for use with STFCR/L and STGCR/L tool holder series. Fits all major CNC lathe brands.

7. Why Source from CNCHome-Beyond?

100% Original
Tungaloy Japan Stock
Technical Support
Expert Cutting Parameters
Fast Global Logistics
Express Air Shipping
B2B Specialist
Wholesale & Distribution

Professional Feedback

⭐⭐⭐⭐⭐ "Killer on 316 Stainless" - David K., USA
"The AH725 grade is incredible. We were struggling with tool life on 316 parts until we switched to these. The -PS chipbreaker keeps everything clean."

⭐⭐⭐⭐⭐ "Consistent Performance" - Lars H., Sweden
"Genuine Tungaloy stock from Japan. High-speed stability is excellent. One of the few inserts that doesn't chip on heat-resistant alloys."

⭐⭐⭐⭐ "Great Chip Control" - Marco G., Italy
"Using these for internal boring. No stringy chips damaging the bore. Very satisfied with the delivery speed."

⭐⭐⭐⭐⭐ "Best B2B Source" - Arjun S., India
"Reliable and authentic. The AH725 is versatile enough for both finishing and light roughing in stainless steel."

⭐⭐⭐⭐⭐ "Smooth Cuts" - Sarah J., UK
"Dimensional accuracy is spot on. We replaced our old carbide with these for all our stainless valve components."

8. FAQ - Machining Support

Q: Why choose AH725 over standard carbide?

A: AH725 features a high-Al-content PVD coating which provides superior thermal stability and hardness, making it ideal for the work-hardening nature of stainless steel.

Q: Is the -PS chipbreaker good for roughing?

A: No. The -PS geometry is optimized for finishing and light-to-medium cutting. For heavy roughing, we recommend the -PM or -HR chipbreakers.

Q: Can this be used for dry cutting?

A: While the coating handles heat well, stainless steel machining usually requires coolant to prevent Built-Up Edge (BUE) and to clear chips from the work zone.

Tech Insight: AH725 vs. AH120

The **AH725 grade** is Tungaloy's first-choice PVD grade for stainless steel. It offers better wear resistance at higher speeds compared to AH120, while maintaining enough toughness for light interrupted cuts. **Tungaloy Japan** - Engineering Excellence for Global Industry.

© Technical Content by cnchome-beyond.com - Global CNC Tool Authority

Technical FAQ & Buying Guide

Are your carbide inserts interchangeable with major brands like Sandvik, Iscar, or Kennametal?

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.

How do I choose the correct insert grade and chipbreaker for machining Stainless Steel (M) vs. Carbon Steel (P)?

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.
What are the recommended cutting speed (Vc) and feed rate (f) parameters to maximize tool life?

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.
Do you offer bulk discounts or wholesale pricing for machine shops and distributors?

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.

What is your international shipping policy and typical lead time for orders?

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.

How do you guarantee the quality and tolerance precision of your CNC tools?

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.