Abstract
Selected Laser Melting fabricated 316L steel was studied to reveal its microstructural features and the wear properties under dry sliding against counter ball made of different materials (low-alloyed steel 100Cr6, high-alloyed steel 440C, and corundum). It was found that SLM 316L steel featured a fine-dendrite structure of a “fish-scale” pattern which ensured higher hardness (by 2 times) and wear performance (by 21–58 %) as compared to hot-rolled analogue. SLM 316L steel had the same volumetric wear when tested against 100Cr6 and 440C balls; when tested against Al2O3 its wear increased by 3 times relatively steel counter-bodies.
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