STEEL WITH REDUCED HARDENABILITY FOR SCREW SPRINGS WITH DIAMETRE OF RODS 17-23 mm AND SPRING FABRICATED OUT OF IT
FIELD: metallurgy. ^ SUBSTANCE: invention can be implemented for fabricating big-size high loaded springs subject to heavy loads, and for screw springs of rolling stock of railroad transport with diametre of rod 17-23. Steel contains carbon, silicon, manganese, aluminium, nitrogen, sulphur, phosphor...
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