How to select the right Milling grade for Non-Ferrous materials?
A mapping of Non-Ferrous Milling grades and how to select the right one.SMG N (Non-Ferrous) is divided in 5 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 |
N1 | Aluminium alloys,
Si < 9% | AW-7075 | Uncoated: H25 Coated: F15M | Uncoated: H15 Coated: MP3000 |
N2 | Aluminium alloys,
9% < Si < 16% | AC-44200\nSi = 12% | Uncoated: H15 Coated: F15M | Uncoated: H25 Coated: F15M |
N3 | Aluminium alloys,
Si >16% | AlSi17Cu5 | Uncoated: H15 Coated: F15M | Uncoated: H25 Coated: F15M |
N11 | Copper alloys | CW614N | Uncoated: H25 Coated: MP3000 | Uncoated: H15 Coated: F40M |
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Carbide P10 / ultra fine grained
Coating uncoated + polished
Color Grey
SMG N1 – N11 / K1 – K2
Coolant Dry + Wet
Application Uncoated but polished hard, wear resistant grade. Peak performance in non-ferrous metals due to ultra fine grain substrate and polished surfaces. Ideal for aluminums with higher Silicon content.
Tougher Grade Option -
Harder Grade Option H25
Carbide P20 / ultra fine grained
Coating uncoated + polished
Color Grey
SMG N1 – N11 / K1 – K2 / S1 – S2
Coolant Dry + Wet
Application Uncoated but polished hard, wear resistant grade. Peak performance in non-ferrous metals due to ultra fine grain substrate and polished surfaces. Ideal for tougher roughing operations. Alternative grade for titanium based alloys in case uncoated inserts are required.
Tougher Grade Option F40M
Harder Grade Option H15 / HX
Carbide P20 / ultra fine grained
Coating uncoated + polished
Color Grey
SMG N1 – N11 / K1 – K2
Coolant Dry + Wet
Application Uncoated but polished hard, wear resistant grade. Peak performance in non-ferrous metals due to ultra fine grain substrate and polished surfaces. Ideal for tougher roughing operations.
Tougher Grade Option H25
Harder Grade Option H15
Carbide P10 / ultra fine grain
Coating PVD TiAlN/TiN
Color Gold
SMG N1 – N11 / K1 – K8 / H8 – H21
Coolant Dry + Wet
Application PVD-coated version of H15. Hard and wear resistant grade for rough milling in aluminum and non-ferrous alloys. Optimization in case of too high abrasive wear when machining higher Si content based non-ferrous metals. Excellent grade, in combination with protected cutting edges, for high speed machining in hardened steel. Ideal for finishing application of cast iron and steel.
Tougher Grade Option MP3000 / F30M / MK2050
Harder Grade Option MH1000
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 P20 / ultra fine grain
Coating PVD TiAlN/TiN
Color Gold
SMG P1 – P8 / M1 – M3 / H8 – H21 / N1 - N11
Coolant Dry + Wet
Application PVD-coated fine grained grade for fine to medium rough milling as well as finishing purposes. Ideal grade for steel with lower tensile stress and peak performance in hardened steels. PVD-coated version of H25. Optimization in case of too high abrasive wear when machining higher Si content based non-ferrous metals.
Tougher Grade Option MS2050 / F40M
Harder Grade Option MK2050
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