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ASTM International, 03/01/2004
Publisher: ASTM
File Format: PDF
$26.00$52.00
Published:01/03/2004
Pages:4
File Size:1 file , 41 KB
Note:This product is unavailable in Russia, Ukraine, Belarus
1.1 This specification covers cast carbon and alloy steel ingots and strand castings, semi-wrought ingots and strand castings and rolled or forged blooms, billets, and slabs for forging.
1.2 Blooms, billets, and slabs are semi-finished steel products, hot rolled or forged to approximate cross-sectional dimensions. Blooms and billets may be square, round, octagonal, or rectangular in section; slabs are rectangular. Although no invariable rule prevails between the terms blooms and billets, and they are frequently used interchangeably, the following size distinctions are in general use.
1.2.1 Blooms - Cross-sectional area greater than 36 in.² (232 cm²).
1.2.2 Billets - Maximum cross-sectional area 36 in.² (232 cm².
1.2.3 Slab - Minimum thickness, 11/2 in. (38.0 mm); width, more than twice the thickness; and generally a cross-sectional area of not less than 16 in. 2 (103 cm²).
1.2.4 Ingots either top or bottom poured or secondary remelted are covered.
1.2.5 Strand castings with or without additional reduction are covered.
1.3 Supplementary requirements (S1 to S19) of an optional nature are provided. They shall apply only when specified by the purchaser.
1.4 The values stated in either inch-pound or SI (metric) units are to be regarded separately as standards. Within the text and tables, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore each system must be used independent of the other. Combining values from the two systems may result in nonconformance with the specification.
1.5 Unless the order specifies the "M" specification, the material shall be furnished to the inch-pound units.
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