Abstract
1. All tested silicon steels with a carbon content of 0.3–0.4% harden to a depth of 10 mm in water quenching without formation of quenching cracks. 2. The strongest effect on the strength and spring properties of railroad washers is exerted by the content of carbon and silicon in the composition. 3. Washers made of steels 30S1, 30S2, 35S1, and 35S2 with less than 0.38% C do not provide the requisite spring properties. These steels have a low resistance to tempering, and therefore an increase in the tempering temperature for increasing the ductility of the product causes a considerable decrease in their hardness. 4. Steel 40S2A is recommended for commercial production of railroad washers.
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