ASTM A1039/A1039M-04 - 1.9.2004
 
1. Scope

1.1 This specification covers commercial and structural steel sheet in coils and cut lengths produced by the twin-roll casting process.

1.2 The steel sheet is available in the designations listed in Section .

1.3 The material is available in the following sizes:

Thickness-0.027 in. [0.7 mm] to 0.078 in. [2.0 mm]
Width-up to 79 in. [2000 mm]

1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other.

Note 1

A description of the Twin-Roll Casting Process is included in Appendix X1.

 
2. Referenced Documents

A370-26

Standard Test Methods and Definitions for Mechanical Testing of Steel Products

A941-26a

Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys (Includes all amendments and changes 4/15/2026).

A568/A568M-25a

Standard Specification for Steel, Sheet, Carbon, Structural, and High-Strength Low-Alloy, Hot-Rolled and Cold-Rolled, General Requirements for (Includes all amendments and changes 12/5/2025).