What is the composition of Rail Grade R400HT Heat Treated Rail Steel?

Published composition ranges are not available for Rail Grade R400HT Heat Treated Rail Steel in this record. PARTIAL - parsed from a truncated 500-char source excerpt; the element set is INCOMPLETE and must NOT be used for validation, specification or purchasing

What standards cover Rail Grade R400HT Heat Treated Rail Steel?

The governing standards for Rail Grade R400HT Heat Treated Rail Steel include EN 13674-1. Mill certificates typically call out the most specific AMS or ASTM number applicable to the product form.

What is Rail Grade R400HT Heat Treated Rail Steel used for?

This alloy is used in applications demanding the property set described in its family: low_alloy_steel.

How do I verify a mill certificate for Rail Grade R400HT Heat Treated Rail Steel?

Compare each element value on the certificate against the min/max ranges in the spec table above. Paste the values into the SpecBase validator to get an automated pass/fail check.

What UNS number is assigned to Rail Grade R400HT Heat Treated Rail Steel?

No UNS number is assigned; identify by the AMS or ASTM grade on the certificate.

Rail Grade R400HT Heat Treated Rail Steel

low_alloy_steel

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Quick answer

Rail Grade R400HT Heat Treated Rail Steel is a low alloy steel specified by EN 13674-1. Typical composition: .

High-strength, heat-treated rail steel specified by EN 13674-1, designed for heavy haul and high-speed lines. It offers excellent wear resistance, fatigue strength, and resistance to rolling contact fatigue.

Applicable Standards

EN 13674-1

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