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Chinese Journal of Mechanical Engineering

Table 1 Chemical composition of Grade 45 steel

From: Tribological Performance of Different Concentrations of Al2O3 Nanofluids on Minimum Quantity Lubrication Milling

Element

C

Si

Mn

Cu

Component (%)

0.42‒0.50

0.17‒0.37

0.50‒0.80

≤ 0.25

Element

Ni

Cr

P

S

Component (%)

≤ 0.30

≤ 0.25

0.035

0.035

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