Aluminium 7020


General Information for Aluminium 7020

Material Group N - Non-Ferrous (Aluminum, Brass, Plastic)
Tensile Strength [N/mm^2]
Machinability Range 170% - 280%

Equivalent International Designations for Aluminium 7020

Standard Name
SAE 7020
WNR 3.4335
DIN AlZn4,5Mg1
BS H17
ANFOR A-Z5G
UNI 7791

Chemical Composition for Aluminium 7020

Element Amount
Zinc (Zn) 4.0-5.0%
Magnesium (Mg) 1.0-1.4%
Iron (Fe) 0.4%
Silicon (Si) 0.35%
Manganese (Mn) 0.05-0.5%
Chromium (Cr) 0.2%
Copper (Cu) 0.2%
Aluminum (Al) rem%

Cutting Speeds Recomendations for Aluminium wrought, alloyed Curable, hardened

Application Vc (m/min) Vc (SFM)
Turning 380-620 1250-2030
Milling 470-780 1540-2560
Parting 250-415 820-1360
Grooving 315-520 1030-1710
Drilling 155-260 510-850

Important! The speed estimation is given for an ideal situation:
  • Most suitable carbide grade
  • Stable tool clamping
  • Stable workpiece clamping
  • Good quality raw material
  • A short overhang of the cutting tool.
  • Nominal hardness of the material.
  • etc.

Grade for Turning

Grade Coating Apps Range 05 10 15 20 25 30 35 40 45
FM CARBIDE
FM524 CVD N05 - N10
FM2533 CVD N15
CANELA
KM15 Uncoated N05 - N10
ZR10 PVD N05- N10
ISCAR
IC20 Uncoated N05 - N30
Seco
KX Uncoated N05 - N30
KENNAMETAL
KC5410 PVD N05 - N20
K313 Uncoated N10 - N35
SANDVIK
H10 Uncoated N05 - N30
TUNGALOY
KS05F uncoated N05 - N10
TH10 uncoated N10 - N20
WALTER
WN10 Uncoated N05 - N20
MITSUBISHI
HTI10 Uncoated N05 - N30
SUMITOMO
H1 Uncoated N10 - N30

Grade for Parting Off

Grade Coating Apps Range 05 10 15 20 25 30 35 40 45
FM CARBIDE
FM2543 CVD N20
FM2553 CVD N30
CANELA
KM15 Uncoated N15
SANDVIK
GC4325 CVD N10 - N20
GC1135 PVD N20 - N40
ISCAR
IC20 Uncoated N05 - N30
SECO
HX Uncoated N10 - N30
KENNAMETAL
KCU10 PVD N05 - N20
KCU25 PVD N20 - N30
WALTER
WN13 Uncoated N05 - N20
TUNGALOY
TH10 uncoated N10 - N20
MITSUBISHI
HTI10 Uncoated N05 - N30


Grade for Grooving

Grade Coating Apps Range 05 10 15 20 25 30 35 40 45
FM CARBIDE
FM2533 CVD N10
CANELA
KM15 Uncoated N15
SANDVIK
GC1125 PVD N10 - N35
H10 Uncoated N10 - N30
ISCAR
IC20 Uncoated N05 - N30
KENNAMETAL
K313 Uncoated N10 - N30
WALTER
WN13 Uncoated N05 - N20
SECO
883 Uncoated N05 - N30
TUNGALOY
KS05F uncoated N05 - N10
TH10 uncoated N10 - N20
MITSUBISHI
HTI10 Uncoated N05 - N30

Grade for Milling (Indexable)

Grade Coating Apps Range 05 10 15 20 25 30 35 40 45
FM CARBIDE
FM125 PVD N15-N35
CANELA
ZR10 PVD & CVD N05
SANDVIK
H10 Uncoated N05 - N15
H13A Uncoated N15 - N30
ISCAR
IC08 Uncoated N05 - N20
H13A Uncoated N15 - N30
KENNAMETAL
KC410M (KC510M) PVD N05 - N15
KC422M (KC522M) PVD N20 - N30
WALTER
WXN15 PVD N05 - N25
SECO
H15 Uncoated N05 - N20
H25 Uncoated N10 - N35
MITSUBISHI
HTI10 Uncoated N05 - N20
TF15 Uncoated N15 - N35
SUMITOMO
DL1000 DLC N05 - N25
DL2000 DLC N05 - N30
H1 Uncoated N15 - N30
H20 Uncoated N20 - N35
YG-1
200 PVD & CVD N05


Recommended Insert Cutting Edge Geometry for Aluminium 7020

Honing Size 0.00-0.01 mm / 0.000-0.000"
Rake Angle 15° -25°
Land Angle Positive
Land Width 0.05-0.10 mm / 0.002-0.004"
Ground Insert Highly Recommended
Polished top Recommended