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ASTM International, 03/01/2014
Publisher: ASTM
File Format: PDF
$26.00$52.00
Published:01/03/2014
Pages:3
File Size:1 file , 66 KB
Note:This product is unavailable in Russia, Ukraine, Belarus
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.
Class A
Class B
Class C
Carbon
0.60-0.75
0.70-0.85
0.75-0.90
Manganese
0.60-0.90
Phosphorus, max
0.04
Silicon
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.
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