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1.1 This specification covers quenched and tempered alloy steel axles for mass transit and commuter cars in electric railway service.
1.2 This specification is for solid design roller bearing axles with machined bodies.
1.3 Various axle designs are used for this service including motor and nonmotor with either inboard or outboard journals.
1.4 Supplementary requirements are provided for use when additional testing or inspection is desired. These shall apply only when specified individually by the purchaser in the order.
1.5 The values stated in inch-pound units are to be regarded as the standard.
ICS Number Code 45.040 (Materials and components for railway engineering)
UNSPSC Code 25173800(Drivetrain systems); 25173801(Driving axles)
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ASTM A729-93(1999), Standard Specification for Alloy Steel Axles, Heat-Treated, for Mass Transit and Electric Railway Service, ASTM International, West Conshohocken, PA, 1999, www.astm.orgBack to Top