MATERIALS LIBRARY

Engineering materials, with the numbers you quote from.

Properties, equivalent grades, densities and starting cutting speeds for the materials job shops and manufacturers use most. Every page has a weight and machining cost calculator.

Stainless steel

MaterialDesignationDensity g/cm³HardnessTurning, carbide m/min
SS303 Stainless SteelAISI 303 / 1.43058230 HB max130–210
SS304 Stainless SteelAISI 304 / 1.43018215 HB max90–160
SS316 / 316L Stainless SteelAISI 316 / 316L / 1.4401 / 1.44048215 HB max80–150
SS410 Stainless SteelAISI 410 / 1.40067.75220 HB max annealed (EN +A); about 42 HRC when hardened and low-tempered130–220
17-4 PH Stainless SteelAISI 630 (17-4 PH) / 1.45427.75Cond. A: 363 HB (38–39 HRC) max; H900: 40–47 HRC; H1025: 34–42 HRC; H1150: 28–37 HRC80–160

Aluminium

MaterialDesignationDensity g/cm³HardnessTurning, carbide m/min
Aluminium 6061AA 6061-T62.793–95 HB300–800
Aluminium 6082AA 6082-T6 / T651 (HE30)2.784–95 HB300–800
Aluminium 7075AA 7075-T6 / T6512.81~150 HB300–600
Aluminium 5052AA 5052-H322.68~60 HB300–800

Titanium

MaterialDesignationDensity g/cm³HardnessTurning, carbide m/min
Titanium Grade 5 (Ti-6Al-4V)ASTM Grade 5 (Ti-6Al-4V), annealed4.4330–36 HRC45–70

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