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ASTM A599/A599M-07(2017)
M00021375
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ASTM A599/A599M-07(2017) Standard Specification for Tin Mill Products, Electrolytic Tin-Coated, Cold-Rolled Sheet
standard by ASTM International, 09/01/2017
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1.1This specification covers cold-rolled steel sheet in coils or in cut lengths, tin-coated by electrodeposition. The product is commonly known as electrolytic tin-coated sheet, and is for applications that need good solderability, good surface appearance, and a degree of corrosion resistance. Tin-coated sheet is produced to various designations of tin coating, as outlined in Table 1.
Note 1:Listed below are the commonly produced coating weights [mass] upon agreement between the producer and the purchaser. Other combinations of coatings may be specified and the appropriate minimum average test valuesA apply.
| Designation No. | Nominal Tin Coating | Minimum Average Coating |
| 5 (0.6/0.6) | 0.025/0.025 (0.6/0.6) | 0.02/0.02 (0.5/0.5) |
| 10 (1.1/1.1) | 0.05/0.05 (1.1/1.1) | 0.04/0.04 (0.9/0.9) |
| 15 (1.7/1.7) | 0.075/0.075 (1.7/1.7) | 0.06/0.06 (1.4/1.4) |
| 20 (2.2/2.2) | 0.10/0.10 (2.2/2.2) | 0.08/0.08 (1.8/1.8) |
| 25 (2.8/2.8) | 0.125/0.125 (2.8/2.8) | 0.11/0.11 (2.5/2.5) |
| 50 (5.6/5.6) | 0.25/0.25 (5.6/5.6) | 0.23/0.23 (5.2/5.2) |
| 75 (8.4/8.4) | 0.375/0.375 (8.4/8.4) | 0.35/0.35 (7.8/7.8) |
| 100 (11.2/11.2) | 0.50/0.50 (11.2/11.2) | 0.45/0.45 (10.1/10.1) |
1.1.1Electrolytic tin-coated sheet is customarily available as commercial steel (CS); drawing steel (DS); deep drawing steel (DDS); extra deep drawing steel (EDDS), and structural steel (SS). The tin coating is available as unmelted or melted.
1.2Limitations-This specification is applicable to orders in either inch-pound units (as A599), which is supplied in thicknesses from 0.015 in. to 0.036 in., or SI units [as A599M], which is supplied in thicknesses from 0.381 mm to 0.914 mm. For thicknesses lighter than 0.015 in. [0.381 mm], refer to A624/A624M [A624M].
1.3Unless the order shows the M designation [SI units], the product shall be furnished to inch-pound units. The values stated in either inch-pound or SI units are to be regarded 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. Combining values from the two systems may result in nonconformance with this specification.
1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.