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About This Item

 

Full Description

1.1 This specification covers carbon steel girder rails2 of three classes based on type or type and weight, and chemistry defined as follows and in Table 1.

TABLE 1 Chemical Requirements, %

 

Class A

Class B

Class C

Carbon

0.60-0.75

0.70-0.85

0.75-0.90

Manganese

0.60-0.90

0.60-0.90

0.60-0.90

Phosphorus, max

0.04

0.04

0.04

Silicon

0.10-0.40

0.10-0.40

0.10-0.40


1.1.1 Unless otherwise specified by the purchaser, girder-guard rails shall be Class A.

1.1.2 Plain and grooved-girder rails under 135 lb/yd (67.1 kg/m) in weight shall be specified by the purchaser as either Class A or Class B.

1.1.3 Plain and grooved-girder rails of 135 lb/yd in weight and heavier shall be Class C, unless otherwise specified.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

 

Document History

  1. ASTM A2-02(2020)


    Standard Specification for Carbon Steel Girder Rails of Plain, Grooved, and Guard Types

    • Most Recent
  2. ASTM A2-02(2014)

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    Standard Specification for Carbon Steel Girder Rails of Plain, Grooved, and Guard Types

    • Historical Version
  3. ASTM A2-02(2008)


    Standard Specification for Carbon Steel Girder Rails of Plain, Grooved, and Guard Types

    • Historical Version
  4. ASTM A2-02


    Standard Specification for Carbon Steel Girder Rails of Plain, Grooved, and Guard Types

    • Historical Version
  5. ASTM A2-90(1997)


    Standard Specification for Carbon Steel Girder Rails of Plain, Grooved, and Guard Types

    • Historical Version