Composition and properties of steel in cast and forged railroad wheels
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The mechanical properties of a cast wheel produced in accordance with the AAR M-107/M-208 standard (United States) are compared with the requirements of State Standard GOST 10791. The strength of wheels produced in accordance with the AAR M-107/M-208 standard does not comply with the GOST standard: the GOST requirements are higher. This may be attributed to the different operating conditions of freight cars in Russia and in the United States. The speed of freight trains in Russia is almost triple that in the United States. The cast wheels are not suitable for Russian operating conditions.
Keywordscast wheels forged wheels chemical composition wheel steel hardness mechanical properties
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