How to select the right milling grade for Superalloys and Titanium based materials?
A mapping of Superalloys Milling grades and how to select the right one.SMG S (Superalloys and Titanium) is divided in 6 sub-groups, to capture specific material characteristics and reduce the complexity of every specific material.
Based on grade portfolio, first and second choices are provided for each sub-groups. This is a starting grade recommendation which can be optimized depending on the application, based on below mentioned grade mapping.
SMG | Description | Reference | First Choice | Second Choice |
S1 | Iron-based superalloys | Discalloy | CVD: MS2500 PVD: MS2050 | CVD: MP3501 PVD: F40M |
S2 | Cobalt-based superalloys | Stellite 21 | CVD: MS2500 PVD: MS2050 | CVD: MP3501 PVD: F40M |
S3 | Nickel-based superalloys | Inconel 718 | CVD: MS2500 PVD: MS2050 | CVD: MP3501 PVD: MP2050 |
S11 | Titanium, low alloyed, (α) | Ti | CVD: MP3501 PVD: MS2050 | CVD: MM4500 PVD: F40M |
S12 | Titanium, medium alloyed, (α+β) | TiAl6V4 | CVD: MP3501 PVD: MS2050 | CVD: MM4500 PVD: MP2050 |
S13 | Titanium, high alloyed, (near β and β) | Ti10V2Fe3Al | CVD: MP3501 PVD: MP2050 | CVD: MM4500 PVD: MS2050 |
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Carbide P30 / medium grained
Coating medium thick CVD Ti(C,N) + Al2O3
Color Black
SMG P4 – P12 / M1 – M5 / S1 – S13
Coolant Dry + Wet
Application Grade with a tough CVD coating structure which is beneficial for rough milling of superalloy materials, tool steels as well as high alloyed stainless steels.
Tougher Grade Option MP3501
Harder Grade Option MP2501
Carbide P35 / medium grained
Coating medium CVD Ti(C,N) + Al2O3
Color Silver (Used Edge Detection Layer)
SMG P1 – P12 / M1 – M5 / K4 - K8
Coolant Dry + Wet
Application Your first choice for maximizing manufacturing output when dealing with wide variations in stability, versatility and workpiece material requirements. A versatile and reliable grade ideal for milling in steel, stainless steel and superalloys under both stable and unstable conditions. It is a tougher alternative to MP2501 to overcome issues like edge chipping. Can be applied under dry and wet machining conditions.
Tougher Grade Option MM4500
Harder Grade Option MP2501
Carbide P40 / coarse grained
Coating thin CVD Ti(C,N) + Al2O3
Color Black
SMG P6 - P12 / M1 – M5 / S1 – S13
Coolant Dry + Wet
Application Extremely tough grade for duplex stainless steel, high alloyed steels and challanging super alloys. Problem solver grade when facing extreme vibration or interrupted cut. Can handle high feed rates and chip load but is more sensitive for too high cutting speeds.
Tougher Grade Option -
Harder Grade Option MP3501 / MS2500
Carbide P30 / ultra fine grain
Coating PVD TiAlN/TiN
Color Gold
SMG P1 – P12 / M1 – M3 / S1 - S13 / K1 – K7 / N1 - N11
Coolant Dry + Wet
Application Most universal grade that can handle all materials. High performance in low to medium alloyed steels, stainless steels as well as titanium based materials. PVD-coated grade for fine to medium rough milling. First choice for milling with small feeds and/or low cutting speeds. Excellent for milling when there is a risk of vibrations and when coolant is used.
Tougher Grade Option MP2050
Harder Grade Option MS2050
Carbide P30 / fine/medium grain
Coating PVD TiAlN/NbN
Color Silver
SMG P1 – P8 / M1 – M5 / S1 – S13
Coolant Dry + Wet
Application High performance in super alloys and stainless steels, but also in low to medium alloyed steels. Great optimzation to F40M in many application. First choice for machining titanium alloys. Excellent grade for stainless steels or low to medium alloyed steels when increased toughness is needed.
Tougher Grade Option F40M
Harder Grade Option MP3000 / MK2050
Carbide P40 / coarse grain
Coating PVD TiAlSiN
Color Purplish
SMG P11 - P12 / M1 – M5 / S1 – S13
Coolant Dry
Application High performance and extremly tough PVD-coated grade for tough machining conditions when facing vibrations, interrupted cuts, hard crusts and high temperatures. Made for martensitic steels, austenitic stainless steel as well as super alloys in unstable conditions. Ideal for dry machining conditions but a bit more cutting speed sensative under wet cutting conditions.
Tougher Grade Option MM4500
Harder Grade Option MS2050
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