Raw Materials Data
The Spindle is made from the following materials:
Stainless steel: SAE 303,
SAE 2316.
Brass SAE 40, Copper.
Polymers: Delerin
Chemical composition
%C 0.15 %C 0.34 %Cu 58.1 %Cu 99.96
%Si 1 %Si 0.16 %Pb 2.83 %Pb 0-8
%MN 2 %MN 0.88 %Al 0.01 %Bi 0-1
%P 0.2 %P 0.025 %Fe 0.29
%S 0.15-0.4 %S 0.003 %Ni 0.1
%CR 17-19 %CR 15.12 %Sn 0.24
%MO 0.6 %MO 0.91
%Ni 8--10 %Ni 0.53
Mechanical properties
Hardness HB 262 235
0.2% proof stress N/mm2 190
0.1% proof stress N/mm2 225
Tensile strength N/mm2
Elongation (L=5d) % min 35
Core strength N/mm2
Modulus of elasticity 103 N/mm2 223
Density kg/dm3 7.9 7.7
Thermal conductivity W/(m.K) 15 15
Electric resistivity Ohm.mm2/m 0.73 0.8
Specific heat capacity J/(kg.K) 500 430
Mechanical properties
Tensile strength N/mm2 310 257
Elongation (L=5d) % min 30 24
Hardness HB 80 83
Corresponding standard
Typical properties
Silver graphite Delerin
Item SX-70 Density 1.43
Buik density g/cm3 4.45 Tensile strength, kg/cm2 660
Hardness 15 Pressure strength, kg/cm2 600
Specific resistivity m W*m 0.25 Flexural strength, kg/cm2 1000
Flexural atrength Mpa 40 Modle hardness, kg/cm2 27000
Paripheral speed (MAX), m/sec 20 Elongation, % 25
Current density (MAX), A/cm2 15 Hardness R120
brasion mg less for 1000 revol
20
21
SAE 303 SAE 2316 BRASS SAE 40 COPPER Cu
SAE 303 SAE 2316
500-750
900-1100
BRASS SAE 40 COPPER Cu
SAE 303 SAE 2316
Din 1.4305 Din 1.2316
X8CrNiS18-9 X36CrMo17
Z10CNF1809 Z35CD17
S30300 THYROPLAST 2316
